Kingdom of Italy (1941-1943)
Medium Armored Car – At Least 40 in Polizia dell’Africa Italiana Service
The AB41 medium armored car was an Italian reconnaissance vehicle developed from the AB40, an armored car developed by FIAT-SPA and Ansaldo in the request of the Polizia dell’Africa Italiana or PAI (English: Police of Italian Africa) from 1937 to 1939.
The AB41s of the PAI were used mainly in North Africa by the Battaglione ‘Romolo Gessi’ and in Italy by the Colonna ‘Cheren’.
Context
In 1936 the Corpo di Polizia Coloniale (English: Colonial Police Corps) was created after a reorganization of the Police Corps operating in Libyan territory, to garrison the Italian governorship in Ethiopia and the colonies of Africa Orientale Italiana or AOI (English: Italian East Africa). The new corps was under the command of the Italian Ministry of Colonies, then renamed the Ministry of Italian Africa. That was the first case in Italy that an armed force was under a civil ministry.
Created by Regio Decreto n. 1211 (English: Royal Decree) of 10th June 1937, its ranks and its tasks were well defined. It was to be a civilian corps militarily organized, and forming part of the armed forces of the state, with functions of political police, judicial police, and administrative police.
The Corpo di Polizia Coloniale (it changed name on 15th May 1939) had an organic strength of 6,344 soldiers consisting of 87 officers, 368 NCOs, 1,475 Italian police officers, 4,064 Eritrean police officers, and 350 Somali police officers. At the beginning of the war, there were also a total of 735 Libyan police officers present. The African soldiers were called Àscari della Polizia (English: Police Àscari). Àscari (singular Àscaro) is an Italian word from the Arab عسكري or ʿaskarī’ meaning “soldiers”.
The command of the unit was in Rome, the Polizia dell’Africa Italiana school was in Tivoli about 30 km from Rome, the Ispettorato per l’Africa Orientale (English: East Africa Inspectorate) was in Addis Ababa, Ethiopia, and the Ispettorato per la Libia was in Tripoli.
A total of 61 battalions were created in Caserma Pantanella in Via Degli Orti in Tivoli that were then assigned to 6 bases in Addis Ababa, Asmara, Benghazi, Gondar, Mogadishu and Tripoli and 5 special units, such as the Squadrone Azzurro (English: Blue Squadron) with 11 Italian police officers and 11 Somali police officers which were tasked with escorting the Governor of Somalia.
The Polizia dell’Africa Italiana school was inaugurated in Tivoli on 1st December 1937 and soon acquired great prestige in international military circles.
Future officers were required to know at least two foreign languages, with the options including Amharic (the most common Ethiopian language), Arabic, English, French, German, Somali and Tigrinya (spoken primarily in Eritrea and Ethiopia).
The first battalion to come out of the school was sent to Somalia and was renamed 1° Battaglione ‘Antonio Cecchi’ (English: 1st Battalion) in honor of Antonio Cecchi, a famous explorer killed on 26th November 1896 in Somalia by local tribesmen.
After the first battalion, six others were formed, all named after famous Italian pioneers in Africa: Luigi Amedeo di Savoia Duca degli Abruzzi, Giuseppe Giulietti, Eugenio Ruspoli, Gaetano Casati, Vittorio Bòttego, and Romolo Gessi respectively.
Units of the Polizia dell’Africa Italiana equipped with AB41s
1° Battaglione ‘Luigi Amedeo di Savoia Duca degli Abruzzi’
2° Battaglione ‘Giuseppe Giulietti’
3° Battaglione ‘Eugenio Ruspoli’
4° Battaglione ‘Gaetano Casati’
5° Battaglione ‘Vittorio Bòttego’
6° Battaglione ‘Romolo Gessi’
The government of the German Reich, after receiving flattering reports from the German consular authorities in Italian East Africa about the high level of training of the Polizia dell’Africa Italiana, sent the Chief of the Deutsche Polizei, General Ritter Von Epp, on a courtesy visit to Tivoli. He was so impressed by the visit that he urged Berlin to ask the Ministry of Italian Africa to allow a refresher course for 180 German police officers, which took place in the first half of 1939.
The PAI was greatly appreciated by the foreign press in Argentina, the United States, and many European countries. Very praiseworthy were the articles published by the British newspapers Daily Mail and Daily Telegraph.
After the defeat of Italian troops in Africa Orientale Italiana, even after the British victory, in Eritrea, the police officers of the Polizia dell’Africa Italiana forces were reformed with the Corpo dei Carabinieri Reali (English: Royal Carabinieri Corps) in the ‘Eritrea Police Force’ under British control.
The Police Headquarters in Asmara, the capital of Eritrea, was entrusted to the Italian African Police, transformed into the Gruppo Autonomo Guardie di Pubblica Sicurezza dell’Eritrea (English: Eritrean Autonomous Group of Public Security Guards). Over one hundred officers, NCOs, and guards remained in place, including numerous Àscari della Polizia, who fought against the widespread banditry in the now former colony. It was only on 15th September 1952 that the Corps was dissolved.
Design
In mid-1937 the Corpo di Polizia Coloniale issued a request for a new model of armored car. In the same period, the Regio Esercito also issued a similar request. In response, FIAT and Ansaldo, the two companies that started the project, decided to jointly do only a vehicle to meet all the demands.
The first prototypes of what would become the AutoBlindoMitragliatrice Modello 1940 (ABM40) and then AutoBlindo Modello 1940 (AB40) were ready in May 1939. One was for the Polizia dell’Africa Italiana and the second for the Regio Esercito.
In September 1939 it was tested in Africa by the Polizia dell’Africa Italiana police officers for 13,000 km in AOI. The PAI prototype, previously plateded ‘Polizia Coloniale – 501’, was then sented to Tivoli and was later replated ‘Polizia dell’Africa Italiana – 501’.
The evaluation was positive and Ansaldo only made small modifications on the production vehicles.
Already in late 1939 it was clear that the three-machine guns of the AB40 were not an adequate armament for an armored car, so it was decided to produce a turret with improved firepower for use on the same chassis. The Torretta Modello 1941 (English: Turret Model 1941), the same used on the L6/40 light tank, was chosen. This vehicle with a new turret was the Autoblinda AB41.
The AB41 Medium Armored Car was the most produced armored car of the Italian industry during the Second World War, with a total of 667 produced from 1941 to 1945. It was armed with a Cannone-Mitragliera Breda da 20/65 Modello 1935 20 mm L/65 automatic cannon that could deal even with light tanks. The engine was more powerful than the ones mounted on the AB40, the new FIAT-SPA ABM 2, 6-cylinder petrol engine developing 88 hp.
Operational use
Polizia dell’Africa Italiana – North Africa
The first Italian unit to use AB armored cars in the North African Campaign was the Polizia dell’Africa Italiana, which used the first 9 AB41s which arrived in Libya in September 1941 in the 6° Battaglione ‘Romolo Gessi’, together with an AB40. The ten armored cars had registration plates between ‘Polizia dell’Africa Italiana 501’ (the AB40 prototype modified and put again in service) to ‘Polizia dell’Africa Italiana 510’ and were assigned to the 1ª Compagnia (English: 1st Company).
These ten armored cars were assigned, together with three AB41s and a Autoblindo TL37 (arrived on the same days) of an experimental armored car platoon of the Regio Esercito, to the Raggruppamento Esplorante del Corpo d’Armata di Manovra or RECAM (English: Scouting Group of the Mobile Army Corp). None of the 13 armored cars were equipped with radios.
During the first actions in Egypt against the British, the armored cars of the 6° Battaglione ‘Romolo Gessi’ were protagonists of a friendly fire incident on 13th September, when German aircraft mistook the armored cars for British vehicles. PAI’s Major Salvatore Diamante got out of his armored car and, under enemy fire and together with PAI medic Lieutenant Aldo Alberini, went to recover the wounded from the burning armored cars, managing to save some men.
A part of the PAI Battalion was then sent to Tripolitania and was converted into a mixed company, while a part, commanded by Major Diamante, remained on Egyptian soil to fight the British troops. This PAI unit was not very lucky and, shortly after, Major Diamante was surrounded by British troops. With only two AB41 armored cars, those of Diamante and that of Brigadiere Timoteo Marini, and a few remaining motorcyclists, the Major fought until his ammunition ran out and he was captured.
For the rest of the campaign, the PAI employed the 4ª Compagnia (English: 4th Company) with 7 AB41s, probably with two platoons of 3 armored cars and a command AB41. This unit was created in October 1941, along with the 3ª Compagnia della Polizia dell’Africa Italiana, with a total of 10 armored cars. Another company was created in July 1942 with 14 AB41s, but was never shipped to Africa and remained on the Italian mainland, taking part in the defense of Rome in September 1943.
Worthy of mention is also the activity of Brigadiere Vittorio Ciani of the Polizia Dell’Africa Italiana, Guardia Giulio Gambino, and Guardia Rosario Orlando, respectively radio operator, driver, and rear driver of the command armored car of one company (probably the 4ª Compagnia) of the 6° Battaglione ‘Romolo Gessi’. On 23rd November 1941, during a battle against British troops, their armored car captured 18 prisoners (including an officer) and three light lorries (or armed trucks) under intense enemy fire.
Having been instructed by the armored car commander to disarm the prisoners, Brigadiere Ciani got out of the armored car and disarmed the enemy soldiers under intense fire, then remained out until two other armored cars of the company arrived. The armored cars towed the captured vehicles and transported the prisoners back to base. Meanwhile, Guardia Orlando supplied the vehicle commander with ammunition clips and, at the same time, handled the prisoners alongside Brigadiere Ciani.
Three days later, they participated, with the same armored car, in an intense fight against British troops and armored vehicles. Since their armored car was advancing with the front driver (Guardia Giulio Gambino), Brigadiere Ciani was unable to assist in the fight, so he dismounted the rear machine gun of the armored car, harnessed it and opened the upper part of the armored door and used it effectively against the British troops, while Guardia Orlando supplied him and the vehicle commander with ammunition clips.
The AB41 was subsequently hit by a round to the fuel tank and fuel sprayed into the crew compartment, soaking the soldiers inside. Orlando’s attempts to block the fuel spill were unsuccessful.
In spite of this serious problem, the crew held their position and continued to fire with all weapons. A second bullet penetrated the engine compartment and hit the engine, causing a fire in the armored car. Miraculously, Brigadier Ciani, Guardia Gambino, the commander, and Orlando escaped the flames. Orlando was the last one out, as he tried to put out the flames and save part of the equipment until the last moment. The three soldiers were awarded the Gold Medal for Military Valor.
Some AB41s, some belonging to PAI Lieutenant Giovanni Onofri, PAI Vice-Brigadier Giuseppe Patelli, and Brigadiere Francesco Spagnoletti, attacked some tanks during the same fight. They suffered some losses, but knocked out some British tanks. Lieutenant Onofri’s AB41 was directly hit in the turret, wounding his head and jamming the 20 mm cannon. The armored car continued the battle and did not retreat until the rear machine gun also jammed.
On 3rd December 1941, a British force composed of truck-mounted artillery attacked a column of the 6° Battaglione ‘Romolo Gessi’ during a break. The soldiers of the PAI, after a brief moment of chaos, resumed control of the situation, managing to counterattack, and forced the British troops to retreat. The Italian losses amounted to a few vehicles that were all recovered and most likely returned to service.
The Polizia Dell’Africa Italiana was employed in the North African campaign until 14th December 1942 in Tunisia. In total, 105 Italian personnel died during the fights while the foreign police officers who died were unknown. The total of AB41s lost in Africa by the PAI is unknown, though the number was probably fewer than 50.
Polizia dell’Africa Italiana – Italy
German and Italian troops in Tunisia surrendered in May 1943.
In spite of this, the School of Tivoli continued to train new recruits. In the spring, a new light armored unit, the Colonna ‘Cheren’ commanded by Colonel Nicola Toscano was initially destined to Tunisia with new vehicles, such as Camionette SPA-Viberti AS42.
The unit included the 1° Battaglione ‘Luigi Amedeo di Savoia Duca degli Abruzzi’, 3° Battaglione ‘Eugenio Ruspoli’, and 5° Battaglione ‘Vittorio Bòttego’.
The unit, composed of about 1,300 soldiers, of which 444 vehicle crews, was equipped with 12 L6/40 reconnaissance light tanks, 14 AB41 medium armored cars, 2 Camionette SPA-Viberti AS42 ‘Sahariane’, and 12 guns consisting of small cannons and machine guns.
On 25th July 1943, with the fall of Mussolini after the Italian king’s coup d’état, the Polizia dell’Africa Italiana was relied upon because it was considered absolutely devoted to the monarchical institution and not to Fascism.
General Maraffa, supreme commander of the Polizia dell’Africa Italiana ordered his units to return to active duty in Rome. There was a fear that there would be a reaction by fascist militias after the fall of Mussolini, but this reaction did not come. On 28th July, the Italian-African police force was regularly active in the capital.
After the fall of Mussolini, a new monarchical government was created. Marshal of Italy Pietro Badoglio led it and almost immediately tried to secretly reach a peace agreement with the Allied powers.
On 3rd September 1943, an armistice was signed in Cassibile, in Sicily, which was already under Allied control. This armistice was made public only five days after, on 8th September.
On 8th September there were 1,581 troops of the Polizia dell’Africa Italiana in Rome, and at the time of Badoglio’s announcement, no communication had been sent to the command of the Italian African Police, which remained without orders, like most of the Italian armed forces.
At 8:00 pm, the Rome Army Corps command asked the Polizia dell’Africa Italiana to urgently send a unit to Porta San Paolo. From there, they were again sent towards the fuel depot of Mezzocammino, on the Via Ostiense. However, the unit was stopped by a group of German paratroopers who tried under various pretexts to convince Lieutenant Barbieri’s unit to turn back when at some point gunfire was opened.
The company managed to break through the encirclement and return to the city with several casualties on the ground and abandoning some armed trucks, and maybe also some of its armored vehicles.
Their most important task of the night was to escort the King of Italy, Vittorio Emanuele III di Savoia, the royal family, and the Prime Minister, Pietro Badoglio, who had to flee down the Via Tiburtina where they found US soldiers who welcomed them.
For some time, the unit did not enter the field. The German ambush had created much turmoil and some units were unable to make contact with the others.
Meanwhile, the 3. Panzergrenadier Division (English: 3rd Mechanized Infantry Division) and some units of the 26. Panzer Division (English: 26th Armored Division) overcame the fuel depot, destroyed the resistance of the Caserma della Cecchignola and advanced further north towards the Tiber River. On the Magliana bridge, however, the unit was confronted by some battalions of the 21ª Divisione di Fanteria ‘Granatieri di Sardegna’ (English: 21th Infantry Division) that put up a strenuous resistance. Towards midnight, however, the reserve battalion of the division was called to intervene to drive back the Germans.
The reserve battalion was the II Battaglione commanded by Major Costa. His unit left from the Tre Fontane area a few hundred meters from the frontline, went around the battlefield crossing the Tiber in another point, and went behind the V Caposaldo (English: 5th Stronghold) to provide support and to retake the lost positions.
When it reached the Magliana Station, Lieutenant Costa’s battalion encountered a unit of the Italian Africa Police that positioned themselves on the highway and joined the battle, probably with some armored cars, tanks, and camionette.
On the early morning of 9th September 1943, other police officers of the Polizia dell’Africa Italiana joined the fight and with some Bersaglieri (Italian assault infantry), the students of the academy of the Arma dei Carabinieri Reali (English: Arm of Royal Carabiners), and the Italian Granatieris with the support of some armored cars, were able to attack and force the German forces in the Magliana area to retreat.
A few hours later, they themselves were forced to retreat some hundred meters north to create another line to block the German troops. During this other attack, the 1° Battaglione of the PAI was totally destroyed, some Italian armored cars were destroyed, and the other units also suffered heavy losses.
The PAI officers and the other soldiers were forced to retreat further north towards the Ostiense Fort, organizing defenses with about 500 soldiers of the 21ª Divisione di Fanteria ‘Granatieri di Sardegna’. The defenders managed to hold out firing with their rifles and some machine guns for over an hour until the Germans were able to bring a mortar and began to bomb the Italian defenses.
When the last armored car was destroyed by mortar grenades, the Germans attacked with flamethrowers, forcing the last soldiers to flee. Some nuns from a nearby orphanage provided the surviving police officers and soldiers with civilian clothes for the escape while a priest organized the surrender of the fort at 11.00 am. In 36 hours, the Polizia dell’Africa Italiana had lost 56 personnel.
With the constitution of the Repubblica Sociale Italiana or RSI (English: Italian Social Republic), the role of the Polizia dell’Africa Italiana became increasingly difficult. The Commander, General Maraffa, a fervent monarchist, refused to swear allegiance to the new Fascist state, and was therefore arrested and deported to Germany to the Dachau concentration camp, where he died two months later, in 1944.
In 1944, in the SS prison at Via Tasso in Rome, Colonel Nicola Toscano, commander of the Colonna ‘Cheren’, and his colleague Colonel Elviro Scalerà, who were part of the Clandestine Military Front of the Resistance, were also arrested. Both were set to be shot on the morning of 4th June 1944, but they were saved during a mass escape from the prison where they were being held.
The Polizia dell’Africa Italiana continued to provide law and order services in Rome even under the Repubblica Sociale Italiana. The Repubblica Sociale Italiana‘s attempt to reform the Polizia dell’Africa Italiana finally failed when it was decided to incorporate it into the Guardia Nazionale Repubblicana (English: Republican National Guard), the Military Police of the RSI. The Polizia dell’Africa Italiana was officially dissolved by the Fascist authorities in March 1944. At least 8 AB41 armored cars of the Polizia dell’Africa Italiana survived to the clashes after the Armistice were reused by Repubblica Sociale Italiana forces but their exact destiny is unknown. Maybe they were recovered from the 1ª Divisione Corazzata Legionaria ‘M’ (English: 1st Legionary Armored Division) in the days after the Armistice (some of their units were deployed near the PAI barracks between 12th and 13th September 1943.
In the south, however, under Allied control, the remaining units of the Polizia dell’Africa Italiana, served regularly as a service of order, until the final dissolution on 9th March 1945.
Conclusion
The AB41 was an adequate armored car even if it had some flaws. In its reports, the Polizia dell’Africa Italiana was very flattering over the AB41. In North Africa and Italy they were used in a similar way as the Regio Esercito‘s ABs, with similar results. During the war, it was the most numerous armored car in service with the Italian units in all the fronts of war. The Polizia dell’Africa Italiana operated them only in North Africa and Rome. The PAI was satisfied with the armored car that in the first stages of the war was also capable of knocking out light tanks.
AB41 specifications
Dimensions (L-W-H)
5.20 x 1.92 x 2.48 m
Total Weight, Battle Ready
7.52 tons
Crew
4 (front driver, rear driver, machine gunner/loader, and vehicle commander/gunner)
Propulsion
FIAT-SPA 6-cylinder petrol, 88 hp with 195 liters tank
Speed
Road Speed: 80 km/h
Off-Road Speed: 50 km/h
Range
400 km
Armament
Cannone-Mitragliera Breda 20/65 Modello 1935 (456 rounds) and Two Breda Modello 1938 8 x 59 mm medium machine guns (1992 rounds)
Kingdom of Italy (1941-1943)
Light Reconnaissance Tank – 432 Built
The Carro Armato Leggero L6/40 was a light reconnaissance tank used by the Italian Regio Esercito (English: Royal Army) from May 1941 until the Armistice with the Allied forces in September 1943.
It was the only turret-equipped light tank of the Italian Army and was used on all fronts with mediocre results. Its obsoleteness already when it entered service was not its only inadequacy. The L6/40 was developed as a light reconnaissance vehicle to be used on the mountainous roads of northern Italy, and instead, it was used, at least in North Africa, as a vehicle to support Italian infantry attacks across the wide desert spaces.
History of the Project
During the First World War, the Italian Royal Army fought the Austro-Hungarian Empire on Italy’s north-eastern border. This territory is mountainous and brought the trench fighting typical of that conflict to heights of over 2,000 meters.
Following the experience of mountain combat, between the 1920s and 1930s, the Regio Esercito and the two companies involved in the production of tanks, Ansaldo and Fabbrica Italiana Automobili di Torino or FIAT (English: Italian Automobile Company of Turin), each requested or designed only armored vehicles suitable for mountain combat. The L3 series of 3 tonnes light tanks, the L6/40 itself, and the M11/39 medium tank were small and lightweight vehicles suitable for this environment.
To give an idea, the Royal Army was so obsessed with combat in the high mountains that even the AB40 medium armored car was developed with similar characteristics. It had to be able to easily pass through the narrow and steep mountain roads and to pass over the characteristic wooden bridges, which could hold little weight.
The 3 tonnes light tanks and the medium tank were equipped with armament positioned in the casemate, not because the Italian industry was not able to produce and build rotating turrets, but because in the mountains, when operating on narrow dirt roads or in narrow high mountain villages, it was physically impossible to be outflanked by the enemy. Therefore, the main armament was necessary only to the front, and not having a turret saved weight.
The L6/40 followed these mountain combat specifications, with a maximum width of 1.8 meters which allowed it to travel on all the mountain roads and mule trails that other vehicles would have a hard time passing through. Its weight was also very low, 6.84 tonnes battle-ready with crew on board. This made it possible to cross small bridges on mountain roads and to pass easily even on soft terrain.
During the Italian invasion of Ethiopia in 1935, the High Command of the Italian Royal Army was not impressed with the performance of the L3 series light tanks, which were poorly armored and armed.
The Italian Regio Esercito issued a request for a new turret-equipped light tank armed with a cannon. FIAT of Turin and Ansaldo of Genoa started a joint project for the new tank utilizing the chassis of the L3/35, the latest evolution of the L3 tank series.
In November 1935, they unveiled the Carro d’Assalto Modello 1936 (English: Assault Tank Model 1936) with the same chassis and engine compartment as the L3/35 3 tonnes tank, but with new torsion bar suspension, a modified superstructure, and a one-man turret with a 37 mm gun.
After tests at the Ansaldo testing ground, the prototype was sent to the Centro Studi della Motorizzazione or CSM (English: Center of Motorization Studies) in Rome. The CSM was the Italian department which was responsible for examining new vehicles for the Regio Esercito.
During these tests, the Carro d’Assalto Modello 1936 prototype performed with mixed results. The new suspension functioned very well, surprising the Italian generals, but the vehicle’s center of gravity during off-road driving and firing was a problem. Because of these unsatisfactory performances, the Regio Esercito asked for a new design.
In April 1936, the same two companies presented the Carro Cannone Modello 1936 (English: Cannon Tank Model 1936), a totally different modification of the L3/35. It had a 37 mm gun on the left side of the superstructure with limited traverse and a rotating turret armed with a couple of machine guns.
The Carro Cannone Modello 1936 was not what the Army had requested. Ansaldo and FIAT had only tried to develop a support vehicle for L3 battalions, but with limited success. The vehicle was also tested without the turret, but was not accepted in service because it did not meet the Regio Esercito’s requirements.
History of the Prototype
After the failure of the last prototype, FIAT and Ansaldo decided to start a new project, a totally new tank with torsion bars and a rotating turret. According to engineer Vittorio Valletta, who worked with the two companies, the project was born at the request of an unspecified foreign nation, but this can not be confirmed. It was financed by both companies’ own funds.
Development only began in late 1937 due to bureaucratic problems. Authorization for the project had been requested on 19th November 1937 and was only issued by the Ministero della Guerra (English: War Department) on 13th December 1937. This was because it was a private FIAT and Ansaldo project and not an Italian Army request. It was probably FIAT that paid the costs for most of the development. Part of the production and the whole assembly of the vehicle were centered in the SPA plant, a subsidiary of FIAT in Turin, according to Document Number 8 signed by the two companies.
The prototype, armed with two machine guns in the turret, was baptized M6 (M for Medio – Medium), then L6 (L for Leggero – Light) when Circular n°1400 of 13th June 1940 increased the category limit for medium tanks from 5 tonnes to 8 tonnes. On 1st December 1938, the Regio Esercito had issued a request (Circular Number 3446) for a new “medium” tank called M7 with a weight of 7 tonnes, a maximum speed of 35 km/h, an operational range of 12 hours, and an armament composed of a 20 mm automatic cannon with a coaxial machine gun or a couple of machine guns in a 360° traverse turret.
FIAT and Ansaldo did not hesitate and offered their M6 to the Regio Esercito High Command. However, it met only some of the M7 requests. For example, the M6 (and then the L6) had a range of only 5 hours instead of 12 hours.
The FIAT and Ansaldo prototype was presented to the highest authorities of the Army General Staff at Villa Glori on 26th October 1939.
The Italian High Command was not impressed with the M6. On the same day, General Cosma Manera of the Centro Studi della Motorizzazione, however, showed interest in the vehicle, proposing to accept it into service on the condition that the armament be changed to a 20 mm automatic cannon mounted in the turret. In the eyes of Gen. Manera, this solution, in addition to increasing the tank’s anti-armor performance, would also make it capable of engaging aircraft.
Shortly afterward, Ansaldo presented a new prototype of the M6. The new M6 tank was proposed with two different armament combinations in the same taller single-seat turret:
A Cannone da 37/26 with a 8 mm coaxial machine gun
A Cannone-Mitragliera Breda 20/65 Modello 1935 automatic cannon also accompanied by an 8 mm machine gun
In spite of Gen. Manera’s wishes, the second option did not have high enough gun elevation to allow the main gun to engage aerial targets, not to mention the fact that, with the poor visibility the commander had from the turret, it was nearly impossible to spot a rapidly approaching aerial target.
Despite the failure of this requirement, the prototype armed with the 20 mm automatic cannon was tested by the Centro Studi della Motorizzazione between 1939 and 1940. During one of these rough terrain tests, it caught fire after the tank overturned at San Polo dei Cavalieri, 50 km from Rome, due to the high center of gravity caused by poor arrangement of the gasoline tanks in the engine compartment.
After being recovered and having undergone the necessary modifications, the M6 prototype participated in new tests. The prototype was accepted in April 1940 as the Carro Armato L6/40, short for Carro Armato Leggero da 6 tonnellate Modello 1940 (English: 6 tonnes Light Tank Model 1940). It was then renamed Carro Armato L6 (Model – weight) and, from 14th August 1942, with Circular Number 14,350, the name was changed to Carro Armato L40 (Model – year of acceptance). Today, a common designation is L6/40, as is commonly given in video games such as War Thunder and World of Tanks.
Production
The first production model differed from the prototype armed with the 20 mm automatic cannon by the installation of the jack on the right front fender and a steel bar and shovel support on the left front fender. The only toolbox, located on the left rear fender on the prototype, was replaced by two smaller toolboxes, leaving room for a spare wheel support on the left rear fender. The fuel tank caps were also moved. They were isolated from the engine compartment in order to lessen the risk of fire in case of overturning. On production examples, the gun shield was slightly modified and the turret roof was tilted forward slightly to accommodate the new gun shield.
The armored plates were forged by Terni Società per l’Industria e l’Elettricità (English: Terni Company for Industry and Electricity). The engines were designed by FIAT and produced by its subsidiary Società Piemontese Automobili or SPA (English: Piedmontese Automobiles Company) in Turin. San Giorgio of Sestri Ponente near Genoa produced all the optical devices of the tanks. Magneti Marelli of Corbetta, near Milan, produced the radio system, batteries, and engine starter. Breda of Brescia produced the automatic cannons and machine guns, while the final assembly was carried out in Turin by the SPA plant of Corso Ferrucci.
On 26th November 1939, Gen. Alberto Pariani wrote to Gen. Manara, informing him that, during Benito Mussolini’s visit to the Ansaldo-Fossati factory in Sestri Ponente, the assembly lines of some vehicles, such as the M13/40 and the L6/40, at that time still called M6, were ready and they only had to sign the production contract with the companies.
Apart from the prototypes, the L6/40s were only produced in Turin, so it is unclear what Pariani was referring to. During Mussolini’s visit to Sestri Ponente, FIAT technicians informed the dictator and the Italian general that the assembly line for the L6 was ready and Pariani confused the place in which they would be produced.
In the letter, Gen. Pariani urged to decide which armament would be chosen, as FIAT-Ansaldo had not yet received news of which model the Regio Esercito wanted, the 20 mm or the 37 mm gun.
On 18th March 1940, the Regio Esercito ordered 583 M6, 241 M13/40, and 176 AB armored cars. This order was formalized and signed by the Direzione Generale della Motorizzazione (English: General Directorate of Motor Vehicles). This was even before the approval of the M6 for Regio Esercito service.
In the contract, a production of 480 M6 per year was mentioned. This was a difficult goal to reach, in fact, even before the war. In September 1939, a FIAT-SPA analysis reported that, at maximum capacity, their plants could produce 20 armored cars, 20 light tanks (30 maximum), and 15 medium tanks per month. This was just an estimation, and Ansaldo’s production was not considered. Nevertheless, 480 tanks a year goal was never achieved, reaching only 83% of the per-year planned production, even with SPA converting the Corso Ferruccio’s plant to only for L6 light tank production.
The first deliveries did not take place until 22nd May 1941, three months later than planned. At the end of June 1941, the order was modified by the Ispettorato Superiore dei Servizi Tecnici (English: Superior Inspectorate of Technical Services). Of the 583 L6 ordered, 300 chassis would become Semoventi L40 da 47/32 light support self-propelled guns on the same L6 chassis, while the total number of L6/40 would be reduced to 283, maintaining the previous order of 583 L6-derived vehicles. After other orders, 414 L40s were built by the SPA plant in Turin.
An analysis was carried out by the Ministry of War, which reported the number of L6 tanks needed by the Royal Army was about 240 units. However, the Chief of Staff of the Royal Italian Army, General Mario Roatta, who was totally unimpressed by the vehicle, had sent FIAT a counter-order on 30th May 1941 reducing the total to only 100 L6/40s.
Despite Gen. Roatta’s counter-order, production continued and, on 18th May 1943, another order was made to formalize the continuation of production. A total of 444 L40s were set for production. FIAT and the Regio Esercito decided that production would be stopped on 1st December 1943.
By the end of 1942, about 400 L6/40 had been produced, though not all delivered, while in May 1943, there were 42 L6s left to produce to complete the order. Before the Armistice, 416 had been produced for the Regio Esercito. Another 17 L6s were produced under German occupation from November 1943 to late 1944, for a total of 432 L6/40 light tanks produced.
There were many causes for these delays. The SPA plant of Turin had more than 5,000 workers employed in the production of trucks, armored cars, tractors, and tanks for the Army. On 18th and 20th November 1942, the plant was the target of Allied bombers, which dropped incendiary and high-explosive bombs which caused heavy damage on the SPA factory. This delayed the delivery of vehicles for the last two months of 1942 and for the first months of 1943. The same situation occurred during heavy bombardments on 13th and 17th August 1943.
Alongside the bombings, the factory was paralyzed by workers’ strikes which occurred in March and August 1943 against bad working conditions and lowered wages.
In late 1942 and early 1943, the Regio Esercito began evaluating which vehicles to prioritize for production and which to give less attention to. The High Command of the Regio Esercito, well aware of the importance of the medium reconnaissance armored cars of the ‘AB’ series, prioritized the production of the AB41 at the expense of the L6/40 reconnaissance light tanks. This led to a drastic decrease in the production of this type of light tank, hence only 2 vehicles produced in 5 months.
When the L6/40s came out from the assembly line, there were not enough San Giorgio optics and Magneti Marelli radios for them, because these were delivered in priority to the AB41s. This left the SPA plant’s depots full of vehicles waiting to be completed. In some cases, L6/40s were delivered to units for training without armament. This was mounted at the last moment, before embarking for North Africa or another front, due to the lack of automatic-cannons, also used by the AB41s.
Carro Armato L6/40 production
Year
First Registration Number of the batch
Last Registration Number of the batch
Total
1941
3,808
3,814
6
3,842
3,847
5
3,819
3,855
36
3,856
3,881
25
1942
3,881
4,040
209
5,121
5,189*
68
5,203
5,239
36
5,453
5,470
17
1943
5,481
5,489
8
5,502
5,508
6
Italian total production
415
1943-44
German Production
17
Total
415 + 17
432
Note
* L6 Registration Number 5,165 was taken and modified into a prototype. It is not to be considered in the total number
Another problem with the L6/40 was the transport of these light tanks. They were too heavy to be transported on trailers developed by Arsenale Regio Esercito di Torino or ARET (English: Royal Army Arsenal of Turin) in the 1920s. The ARET trailers were used to carry the light tanks of the L3 series and older FIAT 3000s.
The L6/40 had another problem. With a combat ready weight of 6.84 tonnes it was too heavy to be loaded on medium trucks of the Italian Army, which usually had a 3 tonne payload capacity. In order to transport them, the soldiers need to use the cargo bays of heavy duty trucks with 5 to 6 tonnes of maximum payload or on the two-axle Rimorchi Unificati da 15T trailers (English: 15 tonnes Unified Trailers) produced by Breda and Officine Viberti in few numbers and assigned with priority to Italian units equipped with medium tanks. In fact, on 11th March 1942, the Royal Army High Command issued a circular, in which it ordered some units equipped with L6/40s to deliver their 15 tonnes payload trailers to other units equipped with medium tanks.
After a request for a new 6 tonne payload trailer, two companies started to develop it: Officine Viberti of Turin and Adige Rimorchi. The two trailers were equipped with four wheels fixed to a single axle. The Viberti trailer, which started to be tested in March 1942, had two jacks and a tilted rear section, allowing the loading and unloading of the L6 without ramps, while the Adige trailer also had a similar system. The trailer had two tiltable platforms fixed on it. When the L6/40 was to be loaded on board, the platforms were tilted and, with the help of the truck’s winch, the platforms were repositioned to the marching position.
The Italian Royal Army never really solved the problem with the L6 trailers. On 16th August 1943, the Royal Army High Command, in one of its documents, mentions that the trailer issue for the L6 light tanks was still being addressed.
Design
Turret
The L6/40 turret was developed by Ansaldo and assembled by SPA for the L6/40 light tank and also used on the AB41 medium armored car. The one-man turret had an octagonal shape with two hatches: one for the vehicle’s commander/gunner on the roof and the second one on the back of the turret, used to remove the main armament during maintenance operations. On the sides, the turret had two slits on the sides for commanders to check the battlefield and use the personal weapons, even if doing so in the turret’s cramped space was not practical.
On the roof, next to the hatch, there was a San Giorgio periscope with a 30° field of view, which allowed the commander a partial view of the battlefield because it was impossible, due to the limited space, to rotate it 360°.
The commander’s position did not have a turret basket and commanders were seated on a foldable seat. Commanders operated the cannon and the machine gun through the use of pedals. There were no electric generators in the turret, so the pedals were connected to the grips of the guns by means of flexible cables. These cables were of the ‘Bowden’ type, the same as on bike brakes and were used to to transmit the pulling force of the pedal to the triggers.
Armor
The front plates of the superstructure were 30 mm thick, while those of the gun shield and driver’s port were 40 mm thick. The front plates of the transmission cover and the side plates were 15 mm thick, as was the rear. The engine deck was 6 mm thick and the floor had 10 mm armor plates.
The armor was produced with low-quality steel because of supply issues with ballistic steel, which were exacerbated from 1939 onward. The Italian industry was not able to supply very large quantities because the higher quality steel was sometimes reserved for the Italian Regia Marina (English: Royal Navy). This was further worsened because of the embargoes imposed on Italy in 1935-1936 due to the invasion of Ethiopia and those that started in 1939, which did not allow the Italian industry access to enough high-quality raw materials.
The armor of the L6/40s often cracked after being hit (but not penetrated) by enemy shells, even small-caliber ones, such as the Ordnance QF 2 Pounder 40 mm rounds or even the .55 Boys (14.3 mm) of the Boys Anti-Tank rifle. The armor plates were all bolted, a solution that made the vehicle dangerous because, in some cases, when a shell hit the armor, the bolts flew out at very high speed, potentially injuring the crew members. The bolts were, however, the best that the Italian assembly lines could offer, as welding would have slowed down the production rate. The bolts also had the advantage of keeping the vehicle simpler to manufacture than a vehicle with welded armor and offered the possibility of replacing damaged armor plates with new ones very quickly even in poorly equipped field workshops.
Hull and Interior
At the front side was the transmission cover, with a large inspection hatch that could be opened by the driver through an internal lever. This would often be kept open to cool the brakes during travel, particularly in North Africa. A shovel and crowbar were placed on the right fender, while a rounded jack support was on the left.
There were two adjustable headlights mounted on the superstructure’ sides for night driving. The driver was positioned on the right and had a hatch that could be opened by a lever mounted on the right and, on top, a 190 x 36 mm episcope that had a horizontal 30º field of view, a vertical 8º field of view, and had a vertical traverse of -1° to +18°. Some spare episcopes were carried in a small box on the rear wall of the superstructure.
On the left, the driver had the gear lever and the handbrake, while the dashboard was placed on the right. Under the driver’s seat, there were the two 12V batteries produced by Magneti Marelli, which were used to start the engine and to power the vehicle’s electrical systems.
In the middle of the fighting compartment was the transmission shaft that connected the engine to the transmission. Due to the small amount of space inside, the vehicle was not equipped with an intercom system.
A rectangular tank with the engine’s cooling water was at the rear of the fighting compartment. In the middle was a fire extinguisher. On the sides, there were two air intakes to permit air intake when all the hatches were closed. On the bulkhead, above the transmission shaft, there were two openable inspection doors for the engine compartment.
The engine and crew compartments were separated by an armored bulkhead, which reduced the risk of fire spreading to the crew compartment. The engine was located in the middle of the rear compartment, with one 82.5 liter fuel tank on either side. Behind the engine were the radiator and the lubrication oil tank.
The engine deck had two large doors with two grilles for engine cooling and, behind, two air intakes for the radiator. It was not uncommon for the crew to travel with the two hatches open during North African operations in order to better ventilate the engine due to the high temperatures.
The muffler was on the rear parts of the mudguards, on the right. On the first vehicles produced, this was not equipped with an asbestos cover. The cover dissipated the heat and was protected by an iron plate to avoid damage. The rear of the engine compartment had a round-shape removable plate fixed with bolts and used for engine maintenance. A support for the pickaxe and the license plate with red brake light were on the left side.
Engine and Suspension
The L6/40 light tank’s engine was the FIAT-SPA Tipo 18VT gasoline, 4-cylinder in-line, liquid-cooled engine with a maximum power of 68 hp at 2,500 rpm. It had a volume of 4,053 cm³. The same engine was used on the Semovente L40 da 47/32, with which it shared many parts of the chassis and powerpack. This engine was also an enhanced version of the one used on the FIAT-SPA 38R, SPA Dovunque 35, and FIAT-SPA TL37 military cargo trucks, the 55 hp FIAT-SPA 18T.
The engine could be started either electrically or manually using a handle that had to be inserted at the rear. The Zenith Tipo 42 TTVP carburetor was the same one used on the AB series of medium armored cars and allowed ignition even when cold. Another great feature of this carburetor was that it ensured a regulated flow of fuel even on slopes of 45°.
The engine used three different types of oil, depending on the temperatures in which the vehicle operated. In Africa, where the outside temperature exceeded 30°, ‘ultra-thick’ oil was used. In Europe, where the temperatures were between 10° and 30°, ‘thick’ oil was used, while in winter, when the temperature fell below 10°, ‘semi-thick’ oil was used. The instruction manual recommended adding oil in the 8-liter oil tank every 100 hours of service or every 2,000 km. The cooling water tank had a capacity of 18-liters.
The 165 liter fuel tanks guaranteed a range of 200 km on road and about 5 hours off-road, with a top speed on-road of 42 km/h and 20-25 km/h on rough terrain, depending on the terrain on which the light reconnaissance tank was operating.
At least a vehicle, license plate ‘Regio Esercito 4029’, was tested with factory-built supports for 20 liter cans. A maximum of five cans for a total of 100 liters of fuel could be transported by the L6, three on the left superstructure side and one above each rear fender tool box. These cans extended the maximum range of the vehicle to about 320 km.
The transmission had a single dry plate clutch. The gearbox had 4 forward and 1 reverse gears with speed reducer.
The running gear consisted of a 16-tooth front sprocket, four paired road wheels, three upper rollers, and one rear idler wheel on each side. The swing arms were fixed to the sides of the chassis and were attached to torsion bars. The L6 and L40 were the first Royal Army vehicles entering service with torsion bars.
The frontal suspension bogie was probably equipped with pneumatic shock absorbers.
The tracks were derived from those of the L3 series light tanks and were composed of 88 260 mm wide track links on each side.
The L6/40’s engine suffered from starting at low temperatures, something especially noted by crews deployed in the Soviet Union. The Società Piemontese Automobili tried to solve the problem by developing a pre-warming system that connected to a maximum of 4 L6 tanks warming the engine compartment before the vehicle were due to move.
Radio Equipment
The radio station of the L6/40 was a Magneti Marelli RF1CA-TR7 transceiver with an operating frequency range between 27 to 33.4 MHz. It was powered by an AL-1 Dynamotor supplying 9-10 Watts mounted on the front of the superstructure, on the driver’s left. It was connected to the 12V batteries produced by Magneti Marelli.
The radio had two ranges, Vicino (Eng: near), with a maximum range of 5 km, and Lontano (Eng: Far), with a maximum range of 12 km.
The radio had a weight of 13 kg and was placed on the left side of the superstructure. It was operated by the overburdened commander. On the radio’s right was a fire extinguisher produced by Telum and filled with carbon tetrachloride.
The lowerable antenna was placed on the right roof side and was lowerable 90° backwards with a crank operated by the driver. When lowered, it diminished the maximum depression of the main gun to a maximum of -9°.
Main Armament
The Carro Armato L6/40 was armed with a Cannone-Mitragliera Breda da 20/65 Modello 1935 gas-operated air cooled automatic cannon developed by Società Italiana Ernesto Breda per Costruzioni Meccaniche of Brescia.
This was first presented in 1932 and, after a series of comparative tests with autocannons produced by Lübbe, Madsen, and Scotti. It was officially adopted by the Regio Esercito in 1935 as a dual use automatic cannon. It was a great anti-aircraft and anti-tank gun and, in Spain, during the Spanish Civil War, some German-producedPanzer Is were modified to accommodate this gun in their small turret to fight the Soviet light tanks deployed by the Republicans.
From 1936 onward, the gun was produced in a vehicle mount variant and was installed in L6/40 light reconnaissance tanks and AB41 and AB43 medium armored cars.
It was produced in the Breda plants in Brescia and Rome and by the Terni gun factory, with a maximum average monthly production of 160 autocannons. More than 3,000 were used by the Regio Esercito in all the war theaters. Hundreds were captured and reused in North Africa by Commonwealth troops, which greatly appreciated their characteristics.
After the armistice of 8th September 1943, a total of over 2,600 Scotti-Isotta-Fraschini and Breda 20 mm automatic cannons were produced for the Germans, which renamed the latter Breda 2 cm FlaK-282(i).
The autocannon had a total weight of 307 kg with its field carriage, which gave it 360° traverse, a depression of -10° and an elevation of +80°. Its maximum range was 5,500 m. Against flying aircraft, it had a practical range of 1,500 m and against armored targets it had a maximum practical range between 600 and 1,000 m.
In all the gun variants, apart from the tank ones, the Breda was fed by 12-rounds clips loaded by the crew to the left side of the gun. In the tank version, the gun was fed by 8-rounds clips due the cramped space inside the vehicle’s turrets.
The muzzle velocity was about 830 m/s, while its theoretical rate of fire was 500 rounds per minute, which dropped to 200-220 rounds per minute in practice in the field version, which had three loaders and 12-rounds clips. Inside the tank, the commander/gunner was alone and needed to open fire and reload the main gun, decreasing the rate of fire.
The maximum elevation was +20°, while the depression was -12°.
Secondary Armament
The secondary armament was composed of a 8 mm Breda Modello 1938 mounted coaxial to the cannon, on the left.
This gun was developed from the Breda Modello 1937 medium machine gun after specifications issued by the Ispettorato d’Artiglieria (English: Artillery Inspectorate) in May 1933.
Different Italian gun companies started working on the new machine gun. The requirements were a maximum weight of 20 kg, a theoretical rate of fire of 450 rounds per minute, and a barrel life of 1,000 rounds. The companies were Metallurgica Bresciana già Tempini, Società Italiana Ernesto Breda per Costruzioni Meccaniche, Ottico Meccanica Italiana, and Scotti.
Breda had been working on a 7.92 mm machine gun derived from the Breda Modello 1931, which had been adopted by the Italian Regia Marina (English: Royal Navy), since 1932, but with a horizontal magazine-feed. Between 1934 and 1935, the models developed by Breda, Scotti and Metallurgica Bresciana già Tempini were tested.
The Comitato Superiore Tecnico Armi e Munizioni (English: Superior Technical Committee for Weapons and Ammunition) in Turin issued its verdict in November 1935. The Breda project (now rechambered for the 8 mm cartridge) won. A first order for 2,500 units of the Breda medium machine gun was placed in 1936. After operational evaluation with the units, the weapon was adopted in 1937 as the Mitragliatrice Breda Modello 1937 (English: Breda Model 1937 Machine gun).
During the same year, Breda developed a vehicle version of the machine gun. This was a lightweight one, equipped with a shortened barrel, pistol grip, and a new 24-round top-curved magazine instead of 20-round strip clips.
The weapon was famous for its robustness and accuracy, despite its annoying tendency to jam if lubrication was insufficient. Its weight was considered too large compared to foreign machine guns of the time. It weighed 15.4 kg, 19.4 kg in the Modello 1937 variant, making this weapon the heaviest medium machine gun of the Second World War.
The theoretical rate of fire was 600 rounds per minute, while the practical rate of fire was about 350 rounds per minute. It was equipped with a cloth bag for the spent casings.
The machine gun 8 x 59 mm RB cartridges were developed by Breda exclusively for machine guns. The 8 mm Breda had a muzzle velocity between 790 m/s and 800 m/s, depending on the round. The armor piercing ones penetrated 11 mm of non-ballistic steel angled at 90° at 100 meters.
Ammunition
The automatic cannon fired the 20 x 138 mm B ‘Long Solothurn’ cartridge, the most common 20 mm round used by the Axis forces in Europe, such as the Finnish Lahti L-39 and Swiss Solothurn S-18/1000 anti-tank rifles and German FlaK 38, Italian Breda and Scotti-Isotta-Fraschini automatic cannons.
During the war, the L6/40 also probably used German rounds.
Cannone-Mitragliera Breda da 20/65 Modello 1935 ammunition
Name
Type
Muzzle Velocity (m/s)
Projectile Mass (g)
Penetration at 500 meters against an RHA plate angled at 90° (mm)
A total of 312 20 mm rounds were transported in the vehicle in 39 8-round clips. For the machine gun, 1,560 8 mm rounds were transported in 65 magazines. The ammunition was stored in wooden racks painted white and with a cloth tarpaulin to fix the magazines. Fifteen 8-round clips were positioned on the left wall of the superstructure, another 13 20 mm clips were placed on the frontal part of the floor, on the driver’s left, and the rest were placed on the rear part of the floor, on the right, behind the driver. The machine gun magazines were stored in similar wooden racks in the superstructure rear.
Crew
The L6/40 crew was composed of two soldiers. Drivers were placed on the vehicle’s right and commanders/gunners just behind, seated on a seat fixed to the turret ring. Commanders had to perform too many tasks and it was impossible for them to perform all at the same time.
During attacks, commanders had to check the battlefield, find targets, open fire against enemy positions, give orders to the driver, operate the radio station of the tank, and reload the automatic cannon and coaxial machine gun. This was essentially impossible to do by a single person. Similar vehicles, such as the German Panzer II, had a crew of three to make the vehicle commander’s job easier.
Crew members were usually from the cavalry training school or Bersaglieri (English: assault infantry) training school.
Delivery and Organization
The vehicles from the first batches went to equip the training schools on the Italian mainland. When the L6/40 was accepted into service, the L6-equipped units were expected to be structured like the previous L3-equipped units. However, during training at the Pinerolo Cavalry School and during the testing of four L6s with a testing company deployed in North Africa, it was seen as preferable to create new formations: squadroni carri L6 (English: L6 tank squadrons) after October 1941. At the same time, it was decided to deploy two such light tanks in each Raggruppamento Esplorante Corazzato or RECo (English: Armored Reconnaissance Regroupement). The RECo was the reconnaissance unit assigned to each Italian armored and mechanized division.
The Nucleo Esplorante Corazzato or NECo (English: Armored Reconnaissance Nucleus), which were assigned after 1943 to each infantry division, was composed a battaglione misto (English: mixed battalion) with a command platoon, two armored car companies with 15 armored cars of the AB series each, and a compagnia carri da ricognizione (English: reconnaissance tanks company) with 15 L6/40s. The unit was completed with an anti-aircraft company with eight 20 mm automatic cannons and two batteries of Semoventi M42 da 75/18, with a total of 8 self-propelled guns.
The L6/40 squadrons consisted of a plotone comando (English: command platoon), a plotone carri (English: tank platoon) in reserve, and another four plotoni carri, for a total of 7 officers, 26 NCOs, 135 soldiers, 28 L6/40 light tanks, 1 staff car, 1 light truck, 22 heavy duty trucks, 2 medium trucks, 1 recovery truck, 8 motorcycles, 11 trailers, and 6 loading ramps. The new L6 squadrons differed from the L3 squadrons in their structure. The new ones had 2 more platoons of tanks.
Like the AB41s units, the Italian Army distinguished between the different army branches, creating gruppi (English: groups) for the cavalry units and battaglioni (English: battalions) for the Bersaglieri assault infantry units. Many sources often do not pay attention to this detail.
In June 1942, the L6 battalions or groups were reorganized into a command platoon with 2 L6/40 command tanks and 2 L6/40 radio tanks and two or three tank companies (or squadrons), each one equipped with 27 L6 light tanks (54 or 81 tanks in total).
If the unit had two companies (or squadrons), it was equipped with: 58 L6/40 tanks (4 + 54), 20 officers, 60 NCOs, 206 soldiers, 3 staff cars, 21 heavy duty trucks, 2 light trucks, 2 recovery trucks, 20 two-seater motorcycles, 4 trailers, and 4 loading ramps. If the unit was equipped with three companies (or squadrons), it was equipped with 85 L6/40 tanks (4 + 81), 27 officers, 85 NCOs, 390 soldiers, 4 staff cars, 28 heavy duty trucks, 3 light trucks, 3 recovery trucks, 28 two-seater motorcycles, 6 trailers, and 6 loading ramps.
Training
On 14th December 1941 the Ispettorato delle Truppe Motorizzate e Corazzate (English: Inspectorate of Motorized and Armored Troops) wrote the rules for the training of the first three squadrons of L6/40 tanks.
Training lasted a few days and consisted of firing tests up to 700 m. Also included were driving over varied terrain and practical and theoretical instruction to personnel assigned to drive heavy trucks. Each L6 had 42 rounds of 20 mm ammunition, 250 rounds of 8 mm ammunition, 8 tonnes of gasoline while for the truck driver there was 1 tonne of diesel fuel for the training.
The Italian training on armored vehicles was very poor. Because of the lack of availability of equipment, Italian tank crews had few opportunities to train to shoot in addition to substandard mechanical training.
Operational Service
North Africa
The first L6/40s arrived in North Africa, when the campaign was already ongoing, in December 1941. They were assigned to a unit to trial them for the first time on the battlefield. The 4 L6s were assigned to a platoon of the III Gruppo Corazzato ‘Nizza’ Mixed Company, assigned to the Raggruppamento Esplorante of the Corpo d’Armata di Manovra or RECAM (English: Reconnaissance Group of the Maneuver Army Corps).
III Gruppo Corazzato ‘Lancieri di Novara’
The III Gruppo Corazzato ‘Lancieri di Novara’, also known as the III Gruppo Carri L6 ‘Lancieri di Novara’ (English: 3rd L6 Tank Group) was trained to operate the light tanks in Verona. It was composed of 3 squadrons and, on 27th January 1942, it received its first 52 L6/40 tanks. On 5th February 1942, it was assigned to the 132ª Divisione Corazzata ‘Ariete’ (English: 132nd Armored Division), becoming operational on 4th March 1942.
The unit was transferred to North Africa. Some sources claim it arrived in Africa with only 52 tanks and the rest were assigned while in Africa, while others mention that it arrived in Africa with 85 L6/40s (full three squadrons). It was assigned to the 133ª Divisione Corazzata ‘Littorio’ (English: 133rd Armored Division) in June 1942.
The unit was deployed during the attacks to the city of Tobruk and in the decisive attack after which the Commonwealth troops in the city surrendered. On June 27th, along with Bersaglieri of the 12º Reggimento (English: 12th Regiment), the unit defended Field Marshal Rommel’s command post.
The III Gruppo corazzato ‘Lancieri di Novara’ then fought at El-Adem. On 3rd and 4th July, it was engaged in the First Battle of El Alamein. On 9th July 1942, it was engaged behind the depression of El Qattara, protecting the flank of the 132ª Divisione Corazzata ‘Ariete’.
In October 1942, the unit was equipped with three AB41 medium armored cars, one for each squadron. This was done to provide better communications to the L6 units, as the armored cars had longer-range radio equipment, and to replace the loss of almost all the L6 tanks (78 lost out of 85). Because of the wear and tear of the L6/40 tanks, many could not be repaired at that time, as the field workshops were all destroyed or reallocated to other units.
Reduced to only five operable tanks after the Third Battle of El Alamein, it followed the other units of the Italian-German army in the retreat, abandoning some serviceable tanks in a depot behind the frontline.
From Egypt, the unit started a retreat, arriving first in Cyrenaica and then in Tripolitania, on foot. It continued the war as a machine gun section aggregated to the Raggruppamento Sahariano ‘Mannerini’ (English: Saharan Group) during the campaign of Tunisia.
Despite this, the unit continued to operate, first assigned to the 131ª Divisione Corazzata ‘Centauro’ after 7th April 1943, then with Raggruppamento ‘Lequio’ (formed with the remains of the Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’) after 22nd April 1943. The survivors participated in the operations of Capo Bon until the surrender of 11th May 1943.
Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’
On 15th February 1942, at the Scuola di Cavalleria of Pinerolo, the Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’ was founded under the command of Colonel Tommaso Lequio di Assaba. On the same day, it was equipped with the 1° Squadrone Carri L6 and 2° Squadrone Carri L6 (English: 1st and 2nd L6 Tank Squadrons) from the school.
The unit was divided as follows: a squadrone comando, I Gruppo with 1º Squadrone Autoblindo (English: 1st Armored Car Squadron), 2º Squadrone Motociclisti (English: 2nd Motorcycle Squadron), and 3º Squadrone Carri L6/40 (English: 3rd L6/40 Tank Squadron). The II Gruppo was equipped with a Squadrone Motociclisti, a Squadrone Carri L6/40, a Squadrone contraerei da 20 mm (English: 20 mm Anti-Aircraft Gun Squadron), and a Squadrone Semoventi Controcarro L40 da 47/32 (English: Semoventi L40 da 47/32 Anti-Tank Squadron).
On 15th April, a Gruppo Semoventi M41 da 75/18 (English: M41 Self-Propelled Gun Group) with 2 batteries was assigned to the RECo.
In the spring, the Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’ was sent to the area of Pordenone, at the orders of the 8ª Armata Italiana (English: 8th Italian Army), waiting to leave for the Eastern Front. By order of the General Staff of the Regio Esercito, on 19th September, the destination was changed to North Africa, to the XX Corpo d’Armata di Manovra, for the defense of the Libyan Sahara.
Initially, however, only the equipment of the Squadrone Carri Armati L6/40 (English: L6/40 Tank Squadron) arrived in Africa, with personnel transferred by airplanes. They were meant for the Oasis of Giofra. The other convoys were attacked during the crossing from the Italian mainland to Africa, causing the loss of all the equipment of the Squadrone Semoventi L40 da 47/32 and the rest of the Tank Squadron could not leave until much later, after the tanks were replaced by AB41 armored cars. They reached the Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’ in mid-November, while another ship was diverted to Corfu, then reaching Tripoli. The second Squadrone Carri L6, even if assigned to the RECo, never left the Italian peninsula, remaining in Pinerolo for training.
By the time the first units of the RECo reached Tripoli on 21st November 1942, the landing of Anglo-American troops in French North Africa had occurred. At that point, instead of the defense of the Libyan Sahara, the task of the RECo became the occupation and defense of Tunisia. Once gathered, the regiment left for Tunisia.
On 24th November, having left Tripoli, the units of the RECo reached Gabes in Tunisia. On 25th November 1942, they occupied Médenine, where the command of the I Gruppo was left with the 2º Squadrone Motociclisti, a platoon of which had remained in Tripoli to recover, and a platoon of anti-tank weapons. The 1º squadrone motociclisti, an armored car squadron and the anti-aircraft gun squadron continued their march to Gabes, suffering, during the march, some losses due to Allied air attacks. The regiment was thus divided as follows: elements in Gabes, with the commander, Colonel Lequio, then the bulk of the I Gruppo in the Tunisian south, all with the 131ª Divisione Corazzata ‘Centauro’ and the L6/40 tank squadron in the Libyan south, with the Raggruppamento sahariano ‘Mannerini’.
On 9th December 1942, Kebili was occupied by a group made up of one platoon of the armored car squadron, one L6/40 light tank platoon, two 20 mm anti-aircraft platoons, the Sezione Mobile d’Artiglieria (English: Mobile Artillery Section), and two machine-gun companies. These were followed two days later by the 2º Squadrone Autoblindo in order to reinforce the garrison and to extend the occupation up to Douz, thus holding under control the whole territory of the Caidato of Nefzouna. The commander of the vanguard was Second Lieutenant Gianni Agnelli of the armored car platoon. From December 1942 to January 1943, the I Group, 50 kilometers away from the main Italian base, in a hostile area and in difficult terrain, continued intense operations in the whole area of Chott el Djerid and the southwest territories.
The tank squadron, composed of L6/40s, was stationed in the area of Giofra and then Hon. It received orders from the Comando del Sahara Libico (English: Libyan Sahara Command) on 18th December 1942 to move to Sebha, where it passed under its command, constituting the Nucleo Automobilistico del Sahara Libico (English: Automobile Nucleus of the Libyan Sahara), with 10 armored cars, and an unknown number of serviceable L6s.
On 4th January 1943, it began the retreat from Sebha, after having destroyed all the remaining L6/40 light tanks because of lack of fuel. It reached El Hamma on 1st February 1943, where the squadron rejoined its I Gruppo.
In North Africa, due to losses suffered in 1941, the Italian Army made a number of reorganizing changes. This included forming the Raggruppamento Esplorante Corazzato. The purpose of this change was to equip most armored and motorized formations with a better-armed reconnaissance element. This unit consisted of a command squadron and two Gruppo Esplorante Corazzato or GECo (English: Armored Reconnaissance Group). The newly developed L6 tanks and their self-propelled anti-tank cousins were to be supplied to these units. In the case of the L6 tanks, they were allocated to the 1° Raggruppamento Esplorante Corazzato, divided into two squadrons supported with a squadron of armored cars. Not many such units were formed, but included the 18° Reggimento Esplorante Corazzato Bersaglieri, Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’, and Raggruppamento Esplorante Corazzato ‘Lancieri di Montebello’. The last unit did not even have any L6 tanks in its inventory.
These armored reconnaissance groups were not used as a whole but, instead, their elements were attached to different armored formations. For example, elements from the RECo were attached to the 131ª Divisione Corazzata ‘Centauro’ (English: 131st Armored Division) and 101ª Divisione Motorizzata ‘Trieste’ (English: 101st Motorized Division), both of which were stationed in North Africa, and 3 celere divisions which served on the Eastern Front. A few mechanized Cavalry units were also supplied with the L6 tanks. For example, the III Gruppo Corazzato ‘Nizza’ (English: 3rd Armored Group), which supported the 132ª Divisione Corazzata ‘Ariete’, had L6 tanks. The L6 saw service during the Battle for El Alamein in late 1942 as part of the III Gruppo Corazzato ‘Lancieri di Novara’. All available tanks of this unit would be lost, which led to its disbanding. By October 1942, there were some 42 L6 tanks stationed in North Africa. These were used by III Gruppo Corazzato ‘Lancieri di Novara’ and Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’. By May 1943, Italian units had some 77 L6 tanks in service. In September, there were some 70 available for service.
In North Africa, due to losses suffered in 1941, the Italian Army made a number of reorganizing changes. This included forming the Raggruppamento Esplorante Corazzato. The purpose of this change was to equip most armored and motorized formations with a better-armed reconnaissance element. This unit consisted of a command squadron and two Gruppo Esplorante Corazzato or GECo (English: Armored Reconnaissance Group). The newly developed L6 tanks and their self-propelled anti-tank cousins were to be supplied to these units. In the case of the L6 tanks, they were allocated to the 1° Raggruppamento Esplorante Corazzato, divided into two squadrons supported with a squadron of armored cars. Not many such units were formed, but included the 18° Reggimento Esplorante Corazzato Bersaglieri, Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’, and Raggruppamento Esplorante Corazzato ‘Lancieri di Montebello’. The last unit did not even have any L6 tanks in its inventory.
These armored reconnaissance groups were not used as a whole but, instead, their elements were attached to different armored formations. For example, elements from the RECo were attached to the 131ª Divisione Corazzata ‘Centauro’ (English: 131st Armored Division) and 101ª Divisione Motorizzata ‘Trieste’ (English: 101st Motorized Division), both of which were stationed in North Africa, and 3 celere divisions which served on the Eastern Front. A few mechanized Cavalry units were also supplied with the L6 tanks. For example, the III Gruppo Corazzato ‘Nizza’ (English: 3rd Armored Group), which supported the 132ª Divisione Corazzata ‘Ariete’, had L6 tanks. The L6 saw service during the Battle for El Alamein in late 1942 as part of the III Gruppo Corazzato ‘Lancieri di Novara’. All available tanks of this unit would be lost, which led to its disbanding. By October 1942, there were some 42 L6 tanks stationed in North Africa. These were used by III Gruppo Corazzato ‘Lancieri di Novara’ and Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’. By May 1943, Italian units had some 77 L6 tanks in service. In September, there were some 70 available for service.
Europe
1° Squadrone ‘Piemonte Reale’
Created in an unknown location on 5th August 1942, the 1° Squadrone ‘Piemonte Reale’ was assigned to the 2ª Divisione Celere ‘Emanuele Filiberto Testa di Ferro’ (English: 2nd Fast Division), which had been recently reorganized.
It was deployed after 13th November 1942 to southern France, with police and coastal defense duties, first near Nice and then in the Mentone-Draguignan region, patrolling the Antibes-Saint Tropez coastal sector.
In December, it replaced the 58ª Divisione di Fanteria ‘Legnano’ (English: 58th Infantry Division) in the defense of the coastal strip along the Menton-Antibes stretch.
Until the first days of September 1943, it was used in coastal defense in the same sector. On 4th September, it began the movement for the return home with destination Turin. During the transfer, the unit was informed of the Armistice and the transfer was expedited.
On 9th September 1943, the division set up its units around the city of Turin in order to prevent the movement of German troops towards the city and, later, on 10th September, it moved towards the French border to barricade the Maira and Varaita valleys in order to facilitate the return of the Italian units from France to the Italian mainland.
The division then ceased to function on 12th September. The 2ª Divisione Celere ‘Emanuele Filiberto Testa di Ferro’ was disbanded on 12th September 1943 following events determined by the Armistice, while it was in the area between Cuneo and the Italian-French border.
There is some disagreement in the sources about the unit’s name. In the book Gli Autoveicoli da Combattimento dell’Esercito Italiano, written by the famous Italian writers and historians Nicola Pignato and Filippo Cappellano, the unit was named ‘1° Squadrone’, but the nickname ‘Piemonte Reale’ is unsure.
The website regioesercito.it mentions the 2ª Divisione Celere ‘Emanuele Filiberto Testa di Ferro’, saying that, on 1st August 1942, it was reorganized. In the following days, the Reggimento ‘Piemonte Reale Cavalleria’ was attached to the division, probably the same L6-equipped unit but with a different name.
18° Raggruppamento Esplorante Corazzato Bersaglieri of the 136ª Divisione Legionaria Corazzata ‘Centauro’
This unit was formed on 1st February 1942 in the depot of the 5º Reggimento Bersaglieri in Siena. It had in its composition the I Gruppo Esplorante (English: 1st Reconnaissance group), consisting of 1ª Compagnia Autoblindo (English: 1st Armored Car Company), 2ª Compagnia Carri L40 and 3ª Compagnia Carri L40 (English: 2nd and 3rd L40 Tank Companies), and 4ª Compagnia Motociclisti (English: 4th Motorcycle Company). The unit had also a II Gruppo Esplorante, with the 5ª Compagnia Cannoni Semoventi da 47/32 (English: 5th 47/32 Self-Propelled Gun Company) and 6ª Compagnia Cannoni da 20mm Contraerei (English: 6th 20 mm Anti-Aircraft Gun Company).
On 3rd January 1943, the unit was assigned to the 4ª Armata Italiana deployed in the French region of Provence, with police and coastal defense duties in the Toulon area. After the creation of the unit, the 2ª Compagnia Carri L40 and 3ª Compagnia Carri L40 were reassigned to the 67° Reggimento Bersaglieri and two other companies, with the same names, were recreated on 8th January 1943.
After Benito Mussolini was deposed as dictator of Italy on 25th July 1943, the 18° RECo Bersaglieri was recalled to the Italian mainland, arriving in Turin. During its time in Toulon, it also lost its 1ª Compagnia Autoblindo, which was renamed 7ª Compagnia and assigned to the 10º Raggruppamento Celere Bersaglieri in Corsica (English: 10th Fast Bersaglieri Regroupement of Corsica).
In the first days of September 1943, the unit started its railway transfer to the Lazio region, where it would be assigned to the Corpo d’Armata Motocorazzato (English: Armored and Motorized Army Corp) of the 136ª Divisione Corazzata Legionaria ‘Centauro’ (English: 136th Legionnaire Armored Division) assigned to Rome’s defense.
When the Armistice was signed on 8th September 1943, the 18º Raggruppamento Esplorante Corazzato Bersaglieri was still on flat cars on route to Rome. An entire battalion was blocked in Florence, along with half of the 3ª Compagnia Carri L40 and the 4ª Compagnia Motociclisti. The other units were half way between Florence and Rome or in Rome’s suburbs.
Some of these joined the 135ª Divisione corazzata ‘Ariete II’ (English: 135th Armored Division), which had been created after the destruction of the 132ª Divisione Corazzata ‘Ariete’, in North Africa.
From one of the last trains on which the RECo vehicles and soldiers were traveling, the Bersaglieri landed at Bassano in Teverina near Orte. The train also carried the command company. On the afternoon of the 8th September, the dispersed units near Rome rejoined the main body at Settecamini.
When, in the evening, the news of the Armistice with the Allies came, the units stopped in Florence and participated in the first clashes against the Germans. In the afternoon of 9th September, they unloaded the vehicles from the flat cars and took part in the fighting against the Germans near the Futa pass.
The units that were in the surroundings of Rome on the night of 9th September blocked the access to Rome at Tivoli along with elements of the Polizia dell’Africa Italiana (English: Police of Italian Africa) and clashed with the Germans in the following morning. The units of the 18° RECO Bersaglieri in Rome were assigned to the 135ª Divisione corazzata ‘Ariete II’ after the morning of 10th September, as the Division had suffered many losses of its R.E.Co., the Raggruppamento Esplorante Corazzato ‘Montebello’. In the afternoon, the elements of the 18° RECo Bersaglieri attacked the Germans at Porta San Sebastiano and Porta San Paolo, supporting the Italian units there and the Italian civilians that had joined the fighting to defend their own city.
After suffering heavy casualties, the Italian units retreated to Settecamini. The 18° RECo Bersaglieri suffered an air attack by German Junkers Ju 87 ‘Stuka’ and, on the morning of 11th September, with the commander wounded during the clashes, the unit dispersed after sabotaging its surviving vehicles.
Yugoslavia
The precise date when the Italians introduced the L6 in Yugoslavia is not quite clear. The 1° Gruppo Carri L ‘San Giusto’ (English: 1st Light Tanks Group), which operated in Yugoslavia from 1941 with 61 L3s on 4 squadrons, may have received its firsts L6/40 tanks in 1942 together with some AB41 medium armored cars. In reality, these probably arrived sometime in early 1943. The first evidence of their use in Yugoslavia is May 1943 according to Partisan reports. In them, they referred to the Italian tank as “Large tanks”. The term “Small tanks”, which they also used at this point, likely referred to the smaller L3 tanks. Given the general Partisan lack of knowledge about the precise names of enemy armor, these and other names should not come as a surprise.
One of the Italian units that had L6s was the IV Gruppo Corazzato, part of the ‘Cavalleggeri di Monferrato’ regiment. This unit had 30 L6 tanks that operated from their headquarter in Berat in Albania. In occupied Slovenia, during August and September 1943, the XIII Gruppo Squadroni Semoventi ‘Cavalleggeri di Alessandria’ had some L6 tanks.
In Albania, the II Gruppo ‘Cavalleggeri Guide’ had 15 L3/35s and 13 L6/40s in Tirana countryside. The IV Gruppo ‘Cavalleggeri di Monferrato’ resisted the German attempts to disarm this unit, so the L6s may have seen some limited service against the Germans in September 1943.
3° Squadrone of the Gruppo Carri L ‘San Giusto’
During 1942, the 3° Squadrone of the 1° Gruppo Carri L ‘San Giusto’, which had already been deployed to the Eastern Front, was reorganized, abandoning the surviving L3 light tank series and was reequipped with Carri Armati L6/40 and deployed in Spalato, in the Balkans, to fight the Yugoslavian partisans.
9° Plotone Autonomo Carri L40
Formed on 5th April 1943, this platoon was assigned to the 11ª Armata Italiana in Greece. Nothing is known about its service.
III° and IV° Gruppo Carri ‘Cavalleggeri di Alessandria’
On 5th May 1942, the III° Gruppo Carri ‘Cavalleggeri di Alessandria’ (English: 3rd Tank Group) deployed in Codroipo, near Udine, in the Friuli-Venezia Giulia region, and the IV° Gruppo Carri ‘Cavalleggeri di Alessandria’ (English: 4th Tank Group), deployed in Tirana, the Albanian capital city, were equipped with 13 L6 tanks and 9 Semoventi L40 da 47/32. They were deployed in the Balkans in anti-partisan operations.
The Raggruppamento Esplorante Corazzato ‘Cavalleggeri Guide’ was deployed in Tirana, Albania. It had in its ranks the I Gruppo Carri L6 (English: 1st L6 Tank Group) created during 1942 with a total of 13 Carri Armati L6/40. The unit had also in its ranks 15 older L3/35.
IV Gruppo Squadroni Corazzato ‘Nizza’
The IV Gruppo Squadroni Corazzato ‘Nizza’ (English: 4th Armored Squadron Group, also sometimes mentioned as IV Gruppo Corazzato ‘Nizza’) formed together with the III Gruppo Squadroni Corazzato ‘Nizza’ in the Deposito Reggimentale (English: Regimental Depot) of the Reggimento ‘Nizza Cavalleria’ of Turin on 1st January 1942. It was created six months after the III Gruppo and was composed of two Squadroni Misti (English: Mixed Squadrons). One equipped with 15 L6/40 light tanks and the other with 21 AB41 medium armored cars.
Some sources do not mention the use of L6/40 light tanks, but mention 36 armored cars assigned to it. This could mean that the squadron was theoretically armed with tanks, but in fact, it was equipped only with armored cars.
In Albania, it was assigned to the Raggruppamento Celere (English: Fast Group). It was employed in counter-partisan operations and escorting Axis supply convoys, highly coveted prey by the Yugoslav Partisans who often attacked them almost undisturbed, capturing many weapons, ammunition, and other military material.
After the Armistice in September 1943, the 2º Squadrone Autoblindo, under the orders of Captain Medici Tornaquinci, joined the 41ª Divisione di Fanteria ‘Firenze’ (English: 41st Infantry Division) in Dibra, managing to open the way to the coast through fierce battles against the Germans during which Colonnello Luigi Goytre, the commander of the unit, lost his life. The most bloody fights against the Germans took place particularly in Burreli and Kruya. After the battles, the IV Gruppo Corazzato ‘Nizza’ dispersed. Many officers and soldiers went back to Italy, reaching Apulia by makeshift means and concentrating at the Centro Raccolta di Cavalleria (English: Cavalry Gathering Center) in Artesano to join the Allied forces.
IV Gruppo Corazzato ‘Cavalleggeri di Monferrato’
The IV Gruppo Corazzato ‘Cavalleggeri di Monferrato’ was created in May 1942 and deployed in Yugoslavia. Not much is known about its service. It was equipped with a theoretical force of 30 L6/40 light tanks operating from the city of Berat in Albania.
Like the other units in the Balkan peninsula, it was deployed in anti-partisan and convoy escort duties until the Armistice of September 1943. From 9th September onward, the soldiers fought against the Germans, losing the majority of their serviceable tanks.
Even if the commander of the unit, Colonnello Luigi Lanzuolo, was captured and then shot by the Germans, the soldiers continued to fight the Germans in the Yugoslavian mountains until 21st September 1943. After that date, the remaining soldiers and vehicles were captured by the Germans or joined the Partisans.
Soviet Union
The L6 tanks were used by Italian armored formations that were engaged on the Eastern Front, supporting the Germans during 1942. A large contingent of some 62,000 men was dispatched by Mussolini to assist his German allies. Initially called Corpo di Spedizione Italiano in Russia or CSIR (English: Italian Expeditionary Corps in Russia), it was later renamed ARMata Italiana In Russia or ARMIR (English: Italian Army in Russia). At first, only some 61 older L3 tanks were used, which were mostly lost in 1941. In order to support the new German offensive toward the Stalingrad and the oil-rich Caucasus, the Italian armor strength was reinforced with L6 tanks and the self-propelled version based on it.
LXVII° Battaglione Bersaglieri Corazzato
The LXVII° Battaglione Bersaglieri Corazzato (English: 67th Armored Bersaglieri Battalion) was created on 22nd February 1942 with units from the 5° Reggimento Bersaglieri and 8° Reggimento Bersaglieri (English: 5th and 8th Bersaglieri Regiments). It was composed of 2 L6/40 companies, with 58 L6/40s in total. It was assigned after 12th July 1942 to the 3ª Divisione Celere ‘Principe Amedeo Duca d’Aosta’ (English: 3rd Fast Division), but officially arrived on the Eastern Front on 27th August 1942.
It was equipped with a command platoon with 4 tanks, and the 2ª Compagnia and 3ª Compagnia (English: 2nd and 3rd Companies). Each company was composed of a command platoon with 2 tanks and 5 platoons with 5 tanks each.
This Italian fast division also had the XIII Gruppo Squadroni Semoventi Controcarri (English: 13th Anti-Tank Self-propelled Gun Squadron Group) of the 14° Reggimento ‘Cavalleggeri di Alessandria’ (English: 14th Regiment), equipped with Semoventi L40 da 47/32.
On 27th August 1942, the unit undertook its first combat in Russia. Two Platoons with 9 tanks contributed to the defensive maneuvers operated by the Battaglione ‘Valchiese’ and Battaglione ‘Vestone’ of the 3° Reggimento Alpini (English: 3rd Alpine Regiment), repelling a Russian attack in the Jagodny sector. Only a few days later, however, a company of the LXVII° Battaglione Bersaglieri Corazzato, with 13 L6/40s, lost all but one of its vehicles during a battle, knocked out by 14.5 x 114 mm Soviet anti-tank rifles.
On 16th December 1942, the Soviet Army launched Operation Little Saturn. On that day, the LXVII° Battaglione Bersaglieri Corazzato had in its ranks 45 L6/40s. In spite of the strenuous Italian resistance, between 16th and 21st December, the Soviets broke through the defensive line of Battalgione ‘Ravenna’, between Gadjucja and Foronovo, and on the 19th December 1942, the Italian units had to retreat.
The Bersaglieri and the Cavalry had to cover the retreat with the few armored vehicles that survived the fights of the previous days. About twenty vehicles of the XIII Gruppo Squadroni Semoventi Controcarri and the LXVII° Battaglione Bersaglieri Corazzato were available.
Most of these tanks and self-propelled guns were lost during the retreat, which ended on 28th December in Skassirskaja. The very few remaining tanks were then dispersed in the disastrous retreat of the ARMIR.
Other Units
Some units received the L6/40 and its variants for training purposes or in small numbers for police duties. The 32° Reggimento di Fanteria Carrista (English: 32nd Tank Crew Infantry Regiment) in Montorio, near Verona, in north-eastern Italy, was equipped on 23rd December 1941 with six L6/40 Centro Radio that were assigned to its battalions.
Their fate is not clear. On 31st December 1941, the unit was disbanded and its soldiers and vehicles were transferred by ships to the 12° Autoraggruppamento Africa Settentrionale (English: 12nd North African Vehicle Group) of Tripoli after 16th January 1942, where they were used to create the Centro Addestramento Carristi (English: Tank Crew Training Center).
Another 5 L6/40s were assigned to the Scuola di Cavalleria (English: Cavalry School) of Pinerolo and used to train new tank crews to operate on the L6 light reconnaissance tanks.
On 17th August 1941, four L6/40 light reconnaissance tanks were assigned to the Compagnia Mista (English: Mixed Company) of the Battaglione Scuola (English: School Battalion) of one of the Centro Addestramento Carristi on the Italian mainland.
The 8° Reggimento Autieri (English: 8th Driver Regiment) of the Centro Studi della Motorizzazione was also equipped with some L6/40.
A total of three L6/40s were assigned to the Centro Addestramento Armi d’Accompagnamento Contro Carro e Contro Aeree (English: Support Anti-Tank and Anti-Aircraft Weapons Training Center) of Riva del Garda, near Trento, north-eastern Italian peninsula. Another three L6/40 were assigned to a similar center in Caserta, near Naples, southern Italy. All six tanks were assigned to the two centers on 30th January 1943.
The last two L6/40s used by a Regio Esercito unit were assigned in late 1942 or early 1943 to the 4° Reggimento Fanteria Carrista (English: 4th Tank Crew Infantry Regiment) in Rome to train Italian tank crews to operate these light tanks before their departure for Africa.
Polizia dell’Africa Italiana
The Polizia dell’Africa Italiana or PAI was created after a reorganization of the Police Corps operating in Libyan territory and the colonies of Africa Orientale Italiana or AOI (English: Italian East Africa). The new corps was under the command of the Italian Ministry of Italian Africa.
During the first phases of the war, the corps operated side by side with the Regio Esercito troops like a standard army branch. It was equipped only with AB40 and AB41 medium armored cars so, during the North African campaign, the PAI command asked the Italian Army to better equip the police corp with tanks.
After bureaucratic delays, six (some sources claim 12) L6/40s were assigned to the 5° Battaglione ‘Vittorio Bòttego’ deployed in the Polizia dell’Africa Italiana training school and headquarter in Tivoli, 33 km from Rome.
At least six registration numbers are known for these tanks (which is why six seems the correct number of vehicles received). The numbers are 5454 to 5458 and were produced in November 1942.
The vehicles were deployed for training purposes until the Armistice in September 1943. The Polizia dell’Africa Italiana took active part in the defense of Rome, first blocking the road to Tivoli to the Germans and then fighting with the Regio Esercito units in the city.
Nothing is know about the PAI L6/40’s service, but a photo taken on 9th September 1943 shows a column of L6/40 of the Polizia dell’Africa Italiana on the road between Mentana and Monterotondo, north of Tivoli and north-east of Rome. At least 3 (but probably more) survived the fighting against the Germans and were deployed, after the surrender, by PAI agents in Rome for public order duties. Three of them survived the war.
Use by Other Nations
When the Italians capitulated in September 1943, what was left of their armored vehicles was seized by the Germans. This included over 100 L6 tanks. The Germans even managed to produce a limited amount of vehicles with the resources that were captured from the Italians. After late 1943, as it was a low priority, some 17 L6 tanks were built by the Germans. The use of L6s in Italy by the Germans was quite limited. This is mostly due to the vehicle’s general obsolescence and weak firepower. In Italy, the majority of the L6s were allocated to secondary roles, being used as towing tractors, or even as static defense points.
In occupied Yugoslavia, the Italian forces were quickly disarmed in 1943 and their weapons and vehicles were seized by all warring parties. The majority went to the Germans, which used them extensively against the Yugoslav Partisans. The L6s saw use against the Partisans, where its weak armament was still effective. The problem for the Germans was the lack of spare parts and ammunition. Both Yugoslavian Partisans and the German puppet state of Croatia managed to capture and use L6 tanks. Both would use these up to the war’s end and, in the case of the Partisans, even after that.
Italian Soldiers in Yugoslav Partisan Ranks
Some Regio Esercito units in Yugoslavia joined the Yugoslav Partisans, since it was impossible to join the Allied forces.
Two L6/40 tanks of the 2ª Compagnia of the 1° Battaglione of the 31° Reggimento Fanteria Carrista joined the 13 Proleterska Brigada ‘Rade Končar’ (English: 13th Proletarian Brigade) near the village of Jastrebarsko on the day of the Armistice. They were assigned to an armored unit under the command of the I Korpus of the Yugoslavian People’s Liberation Army. Not much is known about their service, apart that they were operated by their previous Italian crews.
Also in Albania, entire Italian divisions that could not return to Italy after resisting the German forces even for entire months joined the Albanian Partisans.
The survivors of the Raggruppamento Esplorante Corazzato ‘Cavalleggeri Guide’, together with the survivors of some Italian infantry divisions such as ‘Arezzo’, ‘Brennero’, ‘Firenze’, ‘Perugia’, and other small units, joined the Battaglione ‘Gramsci’ assigned to the 1st Assault Brigade of the Albanian National Liberation Army.
Some of the L6/40s were used during the liberation of Albania and the soldiers of the RECo ‘Cavalleggeri Guide’ took part in the liberation of Tirana in mid-November 1944.
After the War
After the war, the three L6/40s of the Polizia dell’Africa Italiana were taken over by the newly formed Corpo delle Guardie di P.S. (English: Corps of Public Safety Officers), which was then renamed Polizia di Stato (English: State Police). The new Police, created after the fall of Fascism in Italy, used these surviving vehicles until 1952.
Due to wear and tear and few spare parts, the vehicles were rarely used in Rome. Other examples captured from the Germans and the Fascists loyal to Mussolini in April 1945 were also reused in Milan, assigned to the III° Reparto Celere ‘Lombardia’ (English: 3rd Fast Department). These vehicles were modified, probably by the Arsenale di Torino (English: Turin Arsenal), after the war. The primary armament was replaced and a second Breda Model 1938 machine gun was mounted to replace the 20 mm cannon.
The only known action of the Milanese L6/40s occurred on 27th November 1947, when the Italian Minister of the Interior, Mario Scelba, removed the prefect of Milan, Ettore Trailo, a former partisan of Socialist ideology. This act unleashed protests through the entire city and the government was forced to deploy the police departments, which at the time were not well seen by the population due to their violent actions during demonstrations, even peaceful ones.
Minister Scelba was the promoter of a hard line approach against the people with leftist ideologies. After the first opening of the police ranks to former partisans, Scelba changed plans. He tried to identify all those who, in his opinion, were dangerous Communists. He forced leftist former partisans and police officers to resign through continuous harassment and non-stop transfers from one city to another.
On this occasion, the Corpo delle Guardie di P.S. was deployed in Milan together with the Army. Barbed wire was placed with heavy armament and even medium tanks in some streets, in order to prevent attacks from the protesters.
Not even a single shot was fired and there were no injuries during the demonstrations. Thanks to the political intervention of Prime Minister Alcide De Gasperi and Secretary of the Partito Comunista d’Italia or PCI (English: Communist Party of Italy) Palmiro Togliatti, the situation returned to normal within a few days.
Camouflage and Markings
As on all Italian vehicles of the Second World War, the standard camouflage applied in the factory on Carri Armati L6/40 was Kaki Sahariano (English: Light Saharan Khaki).
The prototypes used the standard, pre-war Imperiale (English: Imperial) camouflage composed of a standard sand yellow Kaki Sahariano (English: Saharan Khaki) base with dark brown and reddish-brown lines. This camouflage is popularly known as the “Spaghetti” camouflage, even if this is only a joke name that has appeared in modern times.
The vehicles used in the Soviet Union left for the Eastern Front in the classic khaki camouflage. At an unspecified point between summer and winter 1942, the vehicles were covered with mud, dirt, or earth, trying to camouflage them from air attacks. The vehicles were, in some cases, also covered with branches or straw for the same purpose.
The vehicles kept this camouflage even during winter, at which time the camouflage made them easier to observe even if, due to the low temperatures, during the colder months, snow and ice would stick to the mud or dirt sticking to the vehicle making it, unintentionally, better camouflaged.
The light reconnaissance tanks used in North Africa, the Balkans, France and Italy had the standard khaki camouflage pattern, often with the addition of foliage to better camouflage them from potential aerial attacks. Many Italian vehicles received new markings painted in the field by the crews. They had Italian flags to avoid friendly fire, mottos, or phrases, though no other camouflage patterns are known before German service.
In some photos, it is clearly visible that the barrel of the 20 mm gun was not painted in Saharan Kaki but retained the original metallic dark-gray color of the weapon. This was because the main armament was often mounted a few days or hours before being shipped to the front and the crew did not have time to repaint the barrel.
In the final months of the North African campaign, the Royal Air Force had complete control of the skies over North Africa, so it could act almost undisturbed at any time to support Allied ground troops on the battlefields. To avoid being spotted by Allied ground attack aircraft, the crews of the L6/40 light tanks began to cover their vehicles with foliage and camouflage netting.
This practice was also used by the crews which fought in Italy even if, in that campaign, the Regia Aeronautica (English: Italian Royal Air Force) and the Luftwaffe were able to provide more efficient cover against Allied ground attack aircraft.
The markings that the L6/40s possessed identified the platoons and companies of the Regio Esercito to which they belonged. This system of cataloging vehicles was used from 1940 until 1943 and was composed of an Arabic numeral indicating the number of the vehicle within the platoon and a rectangle of different colors for the company. Red was used for the first company, blue for the second, and yellow for the third company, green for the fourth squadron, black for the command company of the group, and white with black platoon stripes for the regimental command squadron.
As the conflict went on, there was also a change in the structure of the armored squadrons, as a fourth, and sometimes a fifth platoon were added.
White vertical lines were then inserted inside the rectangle to indicate the platoon to which the vehicle belonged.
In 1941, the Italian High Command ordered the units to paint a 70 cm diameter circle to ease aerial identification, but this was rarely applied on the turrets of the light tanks.
Battalion command vehicles had the rectangle divided into two red and blue parts if the battalion had two companies or three red, blue and yellow parts if the battalion had three companies.
In the Soviet Union, during summer, before being camouflaged with dirt, the command vehicles received different markings for unknown reasons. These rectangles were monochrome (blue or red from photographic sources) with an oblique line running from the upper left corner to the lower right corner.
The Polizia dell’Africa Italiana’s L6/40s did not receive particular camouflages or coat of arms, remaining essentially identical to the Regio Esercito ones except for the license plate, which had the acronym P.A.I. instead R.E. on the left side.
Post-war, L6/40s received two different camouflage schemes. The ones used in Rome received dark horizontal stripes, probably over the original Kaki Sahariano monochrome camouflage. The Milan vehicles were painted like all the Italian police vehicles after the war in Amaranth Red, a reddish-rose shade of red that was useful for two reasons. First of all, it was able to cover the previous military paintings and coat of arms applied on former military vehicles. Secondly, L6/40 tanks or Willys MB Jeeps (one of the most common vehicles used by the Italian Police after the war) had no sirens, so a garish red vehicle was more visible in the city traffic.
Variants
L6/40 Centro Radio
This L6/40 variant had a Magneti Marelli RF 2CA radio transceiver mounted on the left of the fighting compartment. The Stazione Ricetrasmittente Magneti Marelli RF 2CA operated in graphic and voice mode. Its production began in 1940 and had a maximum communication range of 20-25 km. It was used for communications among tank squadron commanders, so it is logical to assume that the L6/40 equipped with this type of radio were used by squadron/company commanders. Another difference between the standard L6/40 and the Centro Radio ones was the dynamotor power, which was increased from 90 watts in the standard L6 to 300 watts in the Centro Radio.
Externally, there were no differences between standard L6/40 and L6/40 Centro Radio (English: Radio Center) apart from different antennas positions. Internally, the second dynamotor was placed on the left side, near the transmission.
The L6/40 Centro Radio had a reduced amount of ammunition transported due to the space occupied by the transmitter and receiver box. This main ammunition load was reduced from 312 rounds (39 8-round clips) to 216 rounds (27 8-round clips), placed only on the floor of the fighting compartment.
Semovente L40 da 47/32
The Semovente L40 da 47/32 was developed by Ansaldo and built by FIAT between 1942 and 1944. It was designed on the L6 chassis to allow the Bersaglieri regiments to provide direct fire support with a 47 mm gun during infantry assaults. The second reason behind these vehicles was to provide the Italian armored divisions with a light vehicle with anti-tank performance. In total, 402 vehicles, also in Centro Radio and Command Post variants, were built.
L6 Trasporto Munizioni
In late 1941, FIAT and Ansaldo started the development of a new tank destroyer on the chassis of its medium tank, the M14/41. After the tests, the prototype was accepted in service in late March – early April 1942 as the Semovente M41M da 90/53.
This heavy self-propelled gun was armed with the powerful Cannone da 90/53 Modello 1939 90 mm L/53 anti-aircraft/anti-tank gun. The small space onboard did not permit the transport of more than 8 rounds and two crew members, so FIAT and Ansaldo decided to modify the chassis of some L6/40s to transport an adequate supply of rounds. This was the L6 Trasporto Munizioni (English: L6 Ammunition Carrier).
Two more crew members, together with 26 90 mm rounds, were transported by each auxiliary vehicle. The vehicle was also equipped with a shielded Breda Modello 1938 machine gun on an anti-aircraft support and racks for the crew’s personal weapons. The vehicle usually towed an armored trailer with another 40 90 mm rounds, for a total of 66 rounds transported.
L6/40 Lanciafiamme
The L6/40 Lanciafiamme (English: Flamethrower) was equipped with a flamethrower. The main gun was removed, while a 200 liter flammable liquid tank was placed inside. The machine gun ammunition amount remained unchanged at 1,560 rounds, while the weight increased to 7 tonnes.
The prototype, with license plate ‘Regio Esercito 3812’, was officially accepted in service on 1st September 1942. This variant was produced in small numbers, but the exact number remains unknown.
Cingoletta L6/40
This was the Italian version of the British Bren Carrier re-engined with a FIAT-SPA ABM1 engine (the same engine of the AB40 armored car). Essentially, it had the same structure as the British APC/weapon carrier. However, the vehicle did not have a specific purpose. It could not carry soldiers (other than the two crew members and a couple of other soldiers) so it was not an Armored Personnel Carrier (APC). It had a payload of only 400 kg and could not tow anything beyond the 47 mm Cannone da 47/32 Modello 1939, so it was not a prime mover. Despite this, it was armed with a Mitragliera Breda Modello 1931 13.2 mm heavy machine gun in a frontal spherical support and a Breda Modello 1938 that could be mounted on one of two anti-aircraft mounts, one at the front and one at the rear. It was also equipped with a Magneti Marelli RF3M radio station, so perhaps Ansaldo developed it as a command post.
Surviving L6/40s
In total, nowadays, only three L6/40s remain. The first one is placed as a gate guardian at the Comando NATO Rapid Deployable Corps’ headquarter at Caserma ‘Mara’ in Solbiate Olona, near Varese. Another one is in bad condition at the Military Museum of the Albanese Army in Citadel-Gjirokäster.
The last and most important one is exhibited at the Armored Vehicles Museum in Kubinka, Russia.
During Summer and Fall 1942, the Red Army captured at least two L6/40s, (registration plates ‘Regio Esercito 3882’ and ‘3889’). Other vehicles in running condition were captured after Operation Little Saturn, but their fate is unknown.
The Soviets took at least three L6/40s to the NIBT Proving Grounds in different time periods. The Soviet technicians called it ‘SPA’ or ‘SPA light tank’ due the SPA factory logo on the engine and other mechanical parts.
The vehicle did not interest the Soviet technicians too much. They only noted on their documents some standard data, not even mentioning some important values, such as top speed.
One of these vehicles was the one that is now exhibited in Kubinka, the ‘Regio Esercito 3898’, which was the 4th tank assigned to the 1° Plotone of the 1ª Compagnia of the LXVII° Battaglione Bersaglieri Corazzato.
For many years, it remained exhibited in bad condition, with a broken suspension tilted on a side. Luckily, on 15th July 2018, a team led by Vladimir Filippov finished the restoration of this tank, taking it to running condition.
Conclusion
The L6/40 light reconnaissance tank was probably one of the most unsuccessful vehicles used by the Regio Esercito during the Second World War. While it offered great improvement in armament and armor over the older L3 fast tank, by the time it was introduced into service, it was already obsolete in almost every regard. Its armor was too thin, while its 2 cm gun was only useful in a reconnaissance role and against lightly armored targets. Against other tanks of the time, it was useless. In addition, it was designed to operate in high mountains, but it ended up fighting in the vast deserts of North Africa, for which it was completely unsuited for. Despite its obsolescence, it saw relatively wide use given the lack of anything better. Surprisingly, it would see action on almost all fronts but with minimal success. Even when the Germans took over Italy, they regarded the L6 as an obsolete design, relegating it to secondary roles.
Carro Armato L6/40 specifications
Dimensions (L-W-H)
3.820 x 1.800 x 1.175 m
Total Weight, Battle Ready
6.84 tonnes
Crew
2 (driver and commander/gunner)
Propulsion
FIAT-SPA Tipo 18 VT 4-cylinder 68 hp at 2500 rpm with 165 liters tank
Speed
Road Speed: 42 km/h
Off-Road Speed: 50 km/h
Range
200 km
Armament
Cannone-Mitragliera Breda 20/65 Modello 1935 and Breda Modello 1938 8 x 59 mm medium machine gun
Armor
from 40 mm to 6 mm
Production until the Armistice:
440 vehicles
Sources
F. Cappellano and P. P. Battistelli (2012) Italian Light Tank 1919-1945, Osprey Publishing
B. B. Dimitrijević and D. Savić (2011) Oklopne jedinice na Jugoslovenskom ratištu 1941-1945, Institut za savremenu istoriju, Beograd.
D. Predoević (2008) Oklopna vozila i oklopne postrojbe u drugom svjetskom ratu u Hrvatskoj, Digital Point Tiskara
S. J. Zaloga (2013) Tanks of Hitler’s Eastern Allies 1941-45, Osprey Publishing
A. T. Jones (2013) Armored Warfare and Hitler’s Allies 1941-1945, Pen and Sword
unitalianoinrussia.it
regioesercito.it
La meccanizzazione dell’Esercito Fino al 1943 Tomo I and II – Lucio Ceva and Andrea Curami
Gli Autoveicoli da Combattimento dell’Esercito Italiano Volume II Tomo I – Nicola Pignato and Filippo Cappellano
Kingdom of Italy (1941-1942)
Truck-Mounted Artillery – 16 Converted
The Autocannone da 100/17 su Lancia 3Ro was an Italian truck-mounted artillery vehicle used by the Regio Esercito (English: Royal Army). It was produced in small numbers by converting some heavy duty trucks available in Italian military workshops in North Africa with some obsolete guns. It was used from late 1941, until the final destruction of all the vehicles in 1943. They were meant as support vehicles, but also saw use in the anti-tank role thanks to its shaped charge rounds.
The Italian Army’s Situation in North Africa
On 13th September 1940, one of the most famous and bloody campaigns of the Second World War began. The start of the North African campaign saw Italian troops, commanded by General Rodolfo Graziani, cross the border between Libya, an Italian colony, and British Egypt, a British protectorate.
It was immediately clear to the Italian generals that the Regio Esercito needed reconnaissance armored cars and armed vehicles to support Italian units in the vast deserts of North Africa as soon as possible.
An armed vehicle with great mobility that could reach the battlefront quickly in order to counter enemy attacks and then move to another point of the battlefront to counterattack or for other defensive duties was urgently needed.
Despite the need for such vehicles, development in Italy was very slow. The soldiers in Africa were forced to create such vehicles themselves, in military and civilian workshops. This is where Autocannoni (singular Autocannone) originated from.
The first of a long series of modified autocannoni was the Autocannone da 65/17 su Morris CS8. A significant number of British Morris CS8 light lorries were captured during the first days of war. These were slightly modified and an Italian 65 mm mountain gun was mounted on a 360° rotating support in their cargo bay.
The modifications were done by the Autofficine del 12° Autoraggruppamento AS (English: Workshops of the 12th Motorized Group, AS standing for Africa Settentrionale – North Africa), located in the village of Giovanni Berta, near the city of El Gubba, north-east Libya.
This workshop and the FIAT ones in Tripoli were responsible for the conversion of more trucks into autocannoni. By 1942, autocannoni with howitzers, anti-aircraft autocannons, naval guns, and standard field artillery pieces were produced.
Design
Lancia 3Ro
In the mid 1930s, Vincenzo Lancia, founder of the homonymous car factory, felt the need to develop his own range of trucks in order to respond to the changes in the Italian civilian and military market and also in the European civilian market. This is how Lancia Veicoli Industriali (English: Lancia Industrial Vehicles) was born and started the production of trucks. Due to the lack of knowledge about diesel engines, the Italian company initially purchased patents for German engines.
Reliable Junkers engines were chosen. The first project had a copy of the Junkers 2-cylinder 3,181 cm³ engine. It was produced under license as the Lancia Tipo 89. It gave a power of 64 hp at 1,500 rpm. It was used on the Lancia Ro, of which 5,196 were produced between 1933 and 1939. However, the Lancia Ro had power problems. In order to cope with the increased payload, a new vehicle was introduced in 1935, the Lancia Ro-Ro. Only 301 were built for the civilian market, with a new engine under German license, the Junker 3-cylinder 6 opposed pistons version with a displacement of 4,771 cm³. It was produced under license as Lancia Tipo 90 and gave out 95 hp at 1,500 rpm. This, however, suffered from unreliability.
Vincenzo Lancia then decided to develop his own four-stroke five-cylinder diesel engine in order to decrease the production costs, as the Junkers engines were expensive, and to become more self-reliant.
The prototype of the new 3Ro heavy-duty truck was presented at the 10th Milan Motor Show on 28th October 1937. Officine Viberti of Turin, a leader in the sector and a valuable partner of Lancia, provided the bodywork for the new truck. The prototype had an innovative drop-shaped radiator grille, inspired by that of the Lancia Augusta car. However, this would not be used on the first series of vehicles.
Production started in the same year, replacing the Lancia Ro-Ro on the production line and accompanying the Lancia Ro. Initially, two models were offered: a civilian one with factory number Serie 464 and a military one designated Serie 564. These codes were rarely used even if some sources, for the sake of clarity, define the models as “Lancia 3Ro 464” or “Lancia 3Ro 564”.
The first version of the civilian model retained a fairly rustic bodywork in order to lower the cost of the truck and speed up production. Officine Viberti of Corso Peschiera 249 in Turin was the main provider of bodyworks for the Lancia trucks, which was less than 800 meters from the Lancia plant in the Borgo San Paolo district in Via Monginevro 99.
The first version of the bodywork featured a vertical front grille with an exposed radiator, vertical one-piece hood sides, and single-line vertical air intakes. Customers could privately choose between a short cab with three seats and a long cab with three seats and a berth. The Lancia 3Ro was the third European truck to have the provision for a berth after the FIAT 634N, its main rival on the Italian civilian market, and the French three-axle Renault AFKD produced after 1936. The berth was often made of wood between two sheets of molded steel, although some customers opted for a simpler solution by having the entire berth made of wood.
In 1939, Officine Viberti introduced a new, more modern and elegant bodywork to increase aerodynamic performance, along with a drop-shaped radiator grille, angled windscreen, and more rounded shapes, exactly as would happen with the FIAT 634N.
Given the difficulties encountered by Officine Viberti in keeping pace with the production of Lancia, many customers purchased chassis from Lancia and had the bodywork added privately by Orlandi, Cab, Zagato or even Caproni and Zorzi.
The bodywork for the military model was made by Officine Viberti. This model differed from the civilian version by having 2 horizontal bars, the license plate was on the upper one, to protect the exposed radiator, an inertia starter motor under the radiator grille, doors with fixed windows, acetylene headlights on the sides of the windshield, a wooden floor, and only the rear side of the cargo bay was openable.
Deliveries of the Lancia 3Ro Serie 564 began in 1938, one year after the Serie 464 went into production. A prototype was produced and presented to the Centro Studi della Motorizzazione (English: Motorization Studies Center), the military department which examined new vehicles, in early 1938. After testing, it was accepted into service in the Italian Regio Esercito as the Lancia 3Ro MNP (for Militare; Nafta; Pneumatici – Military, Diesel, Tires) version with standard tires and the Lancia 3Ro NMSP (for Militare; Nafta; SemiPneumatici – Military, Diesel, Solid Tires). Apart from the difference in the type of tires, the vehicles were identical.
According to Lancia sources, a total of 177 Lancia 3Ro Serie 564 were delivered to the Regio Esercito in 1938, 657 in 1939, 2,646 in 1940, 3,162 in 1941(the maximum production rate of 260 3Ro each month was reached this year), 1,643 in 1942, 1,205 in 1943, 51 in 1944 and 1 in 1945. This gave a total of 9,542 heavy-duty trucks. At the same time, 1,307 civilian Serie 464 were built, most of them requisitioned by the Italian Regio Esercito.
After three different bombings of the Lancia plant in Turin, in October 1942, production of the Lancia 3Ro was entrusted to the Lancia Veicoli Industriali plant in Bolzano, in the Trentino Alto Adige region.
In 1939, Lancia Veicoli Industriali proposed the lowered chassis Lancia 3Ro P (P for Passo – Wheelbase, factory code Serie 266) and Lancia 3Ro PL (Passo Lungo, English: Longer Wheelbase) for the civilian market. This was 7.86 m long compared to the 7.30 m of the standard series. These vehicles were to be fitted out as buses by companies such as Garavini, Macchi, Orlandi, or even Officine Viberti.
These versions of the Lancia 3Ro were designed to tow a trailer in order to increase the passenger capacity. The Lancia 3Ro P, with Officine Viberti bodywork, carried 32 passengers plus the driver, with the trailer taking the capacity to over 50 people. In 1940, 78 Lancia 3Ro P chassis rolled off the assembly lines, almost all bodied by Officine Viberti.
In 1942, Lancia Veicoli Industriali proposed a cab-over chassis version of the Lancia 3Ro called P3 (and P3L for the Long Wheelbase version), code Serie 466, of which 142 were produced. In parallel, a conventional forward cabin chassis called Lancia 3Ro P2 (and P2L) was introduced. In total, 611 Lancia 3Ro were produced of the three Passo Lungo variants between 1939 and 1950.
During the war, a gasoline version was developed. This version had a Lancia Tipo 102B engine (B for Benzina – Gasoline). This engine was modified to work with cheaper and more available gasoline and delivered 91 hp. The Lancia Esaro medium truck, a ‘light’ version of the Lancia 3Ro developed in 1941, received an identical engine but with lower power, the Tipo 102B, delivering 80 hp, coupled to the same transmission as the Lancia 3Ro. In 1946, the Lancia Esaro received the same Tipo 102 diesel engine, but giving out only 81 hp.
Like the Lancia Ro, the Lancia 3Ro was available in many special versions for the needs of the army. For transporting quadrupeds, any Lancia 3Ro could be slightly modified with higher cargo bay sides and a two-part loading ramp. The loading bay was divided into multiple boxes by wooden planks to prevent animals from injuring each other.
The Officina Mobile Modello 1938 (English: Mobile Workshop Model 1938) was composed of two vehicles. These were identical to the ones on the Lancia Ro chassis. Apart from the prototype based on a Serie 564 MNSP, it seems that very few were produced.
The civilian version with a water or fuel tank was also adopted for the Serie 546, produced by Officine Viberti, with a capacity of 5,000 liters. It was mainly used in North Africa to transport fuel or water. A trailer with the same capacity produced by Officine Viberti could be attached to it for a total of 10,000 liters.
For the transport of water or fuel, the Serie 546 could be equipped with two removable 2000-liter tanks loaded on the loading bay. This tank did not require any modification to be fitted to the vehicle and was easy to remove, allowing the transport version to be even more versatile.
Employed on all fronts of the Second World War, the Lancia 3Ro was the heavy truck par excellence of the Regio Esercito. It was used to transport troops, animals, or equipment, but was also used as a prime mover for heavy artillery pieces, such as 90 mm cannons and 149 mm howitzers. Officine Viberti or Bartoletti trailers were also designed specifically to be towed by the Lancia and vehicles with similar characteristics for the transport of Italian medium tanks and self-propelled guns.
In North Africa, its good off-road capabilities earned it the nickname ‘Re del Deserto’ (English: King of the Desert). The Allies, particularly the British, reused it in this theater of operations due to its robustness, power, and load capacity. There were trucks captured and reused by the Soviets in the Soviet Union as well.
On the Eastern Front, the Lancia 3Ro was mainly used for the transport of mules and materials of the Alpine divisions of the ARMata Italiana in Russia or ARMIR (English: Italian Army in Russia). In this campaign, it proved to be a reliable vehicle. Even during the harsh Russian winters, the engine was reliable and performed well in very low temperatures that did not allow other Italian and German vehicles to move.
Some Italian veterans claim that the Soviet soldiers usually destroyed all the logistical vehicles that they captured from the Axis troops by rolling over them with tanks during the Don Offensive and the subsequent retreat from the USSR. Eventually, though, they allegedly began to appreciate the qualities of some vehicles, putting the Lancia 3Ro and FIAT 626 that they were able to capture back into service while abandoning the Opel Blitz and FIAT 634N, which they considered performed worse.
After 8th September 1943 and the armistice with the Allies, the Lancia 3Ro were built for the Germans and kept the same bodywork until order 7967/8153. This order, dated 5th April 1944, provided for the delivery of 100 trucks with Einheits cab. This cab, designed by the Germans, was made of plywood planks on a parallelepiped wooden frame. It was very easy to mass produce and adaptable to many Italian trucks, such as the FIAT 628, the SPA TL40, and the Lancia 3Ro.
According to German sources, the Wehrmacht received a total of 772 Lancia 3Ro between January 1944 and February 1945, far more than the production declared by Lancia (52 produced between 1944 and 1945) for the same period. It can be assumed that the German sources were in error, and 772 did not represent the vehicles that were newly delivered by Lancia Veicoli Industriali, but trucks that had previously belonged to the Italian Regio Esercito or private companies and were requisitioned or captured by the Germans. All Lancia 3Ro were assigned to units under the command of the Oberkommando Sud-Est, commanding the Balkans, and Oberkommando Sud-Ouest, commanding Italy.
Some units of the Repubblica Sociale Italiana (English: Italian Social Republic), the Italian Fascist Republic from 1943 to 1945, and some Partisan brigades also used the Lancia 3Ro during the bloody civil war that broke out in northern Italy between 1943 and 1945. In fact, in Turin, in April 1944, the workers allied with the Partisans made an agreement with the factory managers to supply the Partisans with transport vehicles, lubricants, fuel, spare parts, and financial assistance. The number of vehicles delivered is not known. There were no Lancia 3Ro being produced in Bolzano, but spare parts for such vehicles may have been delivered.
During the German occupation, a dozen gas-powered Lancia 3Ro GT (GT for Gassificatore Tedesco – German Gasifier) were also produced.
In late 1945, the Bolzano plant and probably also the Turin ones resumed the production of the Lancia 3Ro, both for the civilian market and for the military.
Initially, very different models grouped under the name Serie 564 NT came off the assembly line. These vehicles were hybrids between the Serie 464 and German production 564. After the war, the warehouses of Bolzano contained dozens of incomplete trucks or raw materials for the military versions. These were diverted for the production of civilian versions. These odd vehicles had military chassis, gasoline engines replacing the diesels, and elongated axle shafts, since the civilian version was wider than the military version.
In 1946, a new model came out: the Lancia 3Ro C (C for Conformità – Conformity) or Serie 564C. It had an electric starter, the width increased to 2,500 mm (2,350 mm for military ones), a new braking system and a ‘full floating’ rear axle instead of the load-bearing axle shafts. It was followed after a year by the Lancia 3Ro C2 (factory code Serie 564C/2) with reinforced tires.
The Lancia 3Ro C versions remained in production until 1948, with mainly Officine Viberti bodywork along with occasionally Orlandi and Caproni. The Military versions were bodied by Officine Viberti. In 1947, the Lancia Esatau 846 or 1 Series came into production. This was equipped with a 122 hp Lancia engine, later increased to 132 hp, and had a top speed of 58 km/h, later increased to 75 km/h.
This vehicle did not receive the attention that was hoped for due to poor power, range, and overall costs. Many truckers preferred the old Lancia 3Ro and Lancia was forced to produce them for another year and a half. The Lancia Esatau 846 and its military version, called Lancia 6Ro, were quickly replaced by other models with a more modern style.
The last 3P and 3PL buses based on the Lancia 3Ro came off the assembly line of the Lancia plants in Bolzano and Turin in 1950. The Lancia 3Ro remained in service with the new Esercito Italiano (English: Italian Army) until 1964 as a medium truck, maintaining high mobility and load capacity, outclassing even modern vehicles produced in the 1950s.
Engine and Suspension
Designed in 1938 on the basis of the previous Lancia Ro and Lancia Ro-Ro, the Lancia 3Ro stood out with its new diesel engine, designed and produced by the Turin company. The Lancia Tipo 102 diesel, 4-stroke, direct ignition, 4 valves, 5-cylinder in-line water cooled engine, with a capacity of 6,875 cm³, delivered 93 hp at 1,860 rpm, leading to a speed on road of 45 km/h. It had a 135 liters tank behind the cab. The tank was connected to a Bosch pump that injected the fuel in the chamber thanks to Bosch injectors.
It had a range of 530 km on-road, with an approximate consumption of 1 liter of fuel each 3.9 km on-road. The off-road range was 450 km with an approximate consumption of 1 liter of fuel each 3.3 km.
Initially, the engine had an inertial starter connected to a crank. The post-war Lancia 3Ro were equipped with electric starters. On some Lancia 3Ro produced before 1946, the inertial starter was replaced by electric ones later.
Semi-elliptical steel leaf springs were used on all four wheels. A trick Soviet soldiers used to stop Axis vehicles during the retreat from the USSR was to dig holes in the roads. With temperatures of below -30 degrees Celsius, the leaf spring suspensions of the trucks would break when they hit such a hole, stopping the vehicle in place. The Lancia 3Ro and a few other models of vehicles did not have this problem, probably due to the quality of the steel with which they were manufactured.
The rear wheel drive was connected to a gearbox with 4 forward and 1 reverse gear and a two-stage reductor, for a total of 8 forward and 2 reverse speeds, with a single dry plate clutch, as on the Lancia Ro and Ro-Ro. It was built under license after a German Maybach model and was located behind the cab for ease of maintenance.
The Lancia 3Ro had expansion shoe type brakes. The brakes were composed of tie rods that acted on the brake shoes and moved two servo conical pulleys. These used force from the transmission when the brake pedal was pressed. This meant that, in the event of a brake system failure whether the vehicle was moving or stationary, the brakes would be locked in place by the brake shoes. This system would be abandoned in favor of a hydraulic system after the war.
The brake system of the trailer was pneumatic, served by a compressor connected to an air tank of the ‘Triplex’ type. After the war, the 3Ro received new arrangements for the towing of 12 tonnes instead of 10 tonnes authorized for the civilian variant.
Aided by the power of the engine, fully loaded trailers could be towed by fully loaded Lancia 3Ros even on steep roads (where other heavy-duty trucks, such as the FIAT 634N, were forced to stop). The pulley brake system worked very well on downhill slopes, braking the enormous mass of the fully loaded truck.
One problem of the Lancia 3Ro was the rear axle, which was composed of two load-bearing axle shafts. This means that, in case the axle shafts broke, the Lancia would get stuck and it was very difficult to move it. Fortunately, this problem was rarely encountered and, after the war, this was replaced with a better performing system. Civilian models produced with this axle were sometimes modified by replacing the axle shafts with stronger ones from other heavy trucks, such as FIAT 666s or Isotta Fraschini D80s.
The electrical system was a 6 volt one in the first 1,611 Lancia 3Ro Serie 564 vehicles, then replaced by a 12-volt system in the following models. It was linked to the Magneti Marelli D90R3 12/1100 dynamo produced by Magneti Marelli of Sesto San Giovanni, which was used to power the two front lights, the license plate and dashboard lighting, the windscreen wipers, and the horn.
Artillery-type forged steel rim wheels could mount various types of tires produced by the Pirelli company of Milan, compatible with the 270 x 20” tires on the 564 MNP and Pirelli Tipo ‘Celerflex’ solid tires with a diameter of 285×88” on the 564 MNSP.
Chassis
Some military trucks were equipped with a winch with a capacity of 9.5 tonnes, with a 31.5-meter long cable. This hydraulic winch was operated by the truck’s engine through a Power Take-Off (PTO) system. When necessary, the driver stopped the vehicle, would shift out of gear on the gearbox, engage the handbrake, and, via a manual override, connected the engine’s flywheel to a second driveshaft that operated the winch’s gearbox, which regulated the speed of the cable.
The 4.8 m long, 2.3 m, and 0.65 m high loading bay was built in wood, with 2.5 cm thick planks, for an internal volume of 66.8 m³. The Lancia 3Ro, weighing 5.61 tonnes, was approved by law to carry 6.39 tonnes of cargo, for a total weight of truck and cargo of 12 tonnes. However, the maximum transportable cargo came to almost 10 tonnes. It could carry 32 fully equipped soldiers on two side benches or almost 50 sitting on the floor, a light reconnaissance tank L6/40 (6.84 tonnes), a Semovente L40 da 47/32 (6.82 tonnes), or even 7 horses.
On the military model, it was not uncommon to see vehicles carrying material for a total of almost 10 tonnes in the loading bay, as well as towing a Rimorchio Unificato Viberti da 15t weighing 3.75 tonnes, with a capacity of 15 tonnes, carrying any tank of the ‘M’ series (M13/40, M14/41 or M15/42) and any self-propelled gun on their chassis for a total weight of truck,trailer, and cargo of almost 30 tonnes.
Main Armament
At the end of World War I, the Kingdom of Italy received or captured or received 1,339 Škoda 10 cm vz. 1914 and 95 Škoda 10 cm vz. 1916 howitzers. These howitzers were joined by 557 cannons and 56 horse-drawn front wagons for the Škoda 10 cm vz. 1916 and 915 guns and 735 horse-drawn front wagons for the Škoda 10 cm vz. 1914 provided by Austria-Hungary as war reparations. These weapons were later incorporated into the Royal Italian Army. In fact, the Italian Army suffered from a lack of light howitzers to accompany the Cannoni da 75/27 Mod. 1906 and the 75/27 Mod. 1911 in the field artillery regiments.
The Cannone da 105/14 Modello 1917 howitzer, which was produced by Ansaldo under license, arrived too late to take part in the conflict. Moreover, its range was inferior to the Škoda howitzers and was quickly decommissioned from active service and stored.
After World War I, other nations adopted these Škoda howitzers, entering service with the Austrian, Czechoslovakian, German, Hungarian, Polish, Romanian, Turkish, and Yugoslav armies. In Italian service, the Obice Škoda da 100/17 Modello 1914 was renamed Škoda 10 cm vz. 1914 and the Obice Škoda da 100/17 Modello 1916 as Škoda 10 cm vz. 1916.
The Obice da 100/17 Mod. 14 was towed by a horse-drawn front wagon. It weighed 1,417 kg in battery position. Designed for use in the mountains, it could be divided into 3 parts, allowing it to be transported on narrow paths on the back of mules.
The Obice da 100/17 Mod. 16 was intended exclusively for mountain use and was lighter than the previous model, at 1,235 kg. The new model retained the ballistic performance of the Mod. 1914. The main differences were the reduction in size, the reduction of the wheel diameter to facilitate movement on narrow paths, the increase of the maximum elevation, and the adoption of a new two-part flat shield.
The main weaknesses of the Škoda 10 cm howitzer was its range of 8,180 m and a low horizontal traverse of only 5° due to the single central trail. After 1918, the Royal Italian Army captured and received a small stock of ammunition. Therefore, the Italian industry had to start almost the production of the 100 mm ammunition.
In 1932, a new projectile was produced. It had 2.3 kg of TNT equivalent explosive filler and better ballistics, giving it an increased range by about 500 m, bringing it to almost 9 km.
As with most artillery pieces after the First World War, the 100 mm Mod. 14 and Mod. 16 howitzers had problems with mechanized transport. In fact, since they were designed to be towed by 6 horses at very low speed, they had no suspension, which caused problems when being towed by trucks and caused damage to the barrel due to vibrations.
In order to solve this problem, in the 1920s, two different solutions were adopted. The first was a trolley with rubber wheels positioned under the howitzer, which was then hooked to the truck. The second option was having the original 12-spoke wooden wheels replaced by metal wheels with solid rubber tires. These modifications received the acronym TM or Traino Meccanizato (English: Mechanized Towing).
The Obice da 100/17 Mod. 14 had a depression of -8° and an elevation of +48°, while the traverse was 5°21′. The Obice da 100/17 Mod. 16 had a depression of -8° and an elevation of +70°, while the traverse was 5°5′. The maximum rate of fire was 10 rounds per minute, but in order to lessen the stress on the mechanical parts and to keep the barrel from overheating, the usual rate of fire on the autocannoni was 5-6 rounds per minute. The muzzle velocity was 430 m/s with High-Explosive rounds.
On 1st October 1939, the Italian Regio Esercito had 1,325 Obici da 100/17 Mod. 14, which were horse-drawn or used in fixed positions, 199 Obici da 100/17 Mod. 14 TM, and 181 Mod. 16 howitzers.
The weapon thus constituted, along with the 75/27 gun, the backbone of the Italian divisional artillery regiments. In North Africa, in October 1941, there were 137 100 mm TM howitzers, which were reduced to 56 by February 1943. In this theater of operations, Škoda howitzers had problems on off-road transport because of the soft sand, in which they sank. They were also criticized for their insufficient range.
In April 1942, the Regio Esercito could still count on 173 Obici da 100/17 Mod. 16, 194 Mod. 14TM, and 1,583 Obici da 100/17 Mod. 14 horse-drawn howitzers. Many of the losses incurred were offset by the supply of guns captured from the Polish by the Germans and pieces captured from Yugoslavia.
In June 1943, there were still 37 divisional artillery groups equipped with Škoda howitzers Mod. 14, of which 11 were motorized, and 10 groups equipped with the Mod. 16. As such, the 100 mm remained the standard light howitzer of the Italian Regio Esercito throughout the war.
After the armistice of 8th September 1943, the Germans captured several hundred of these howitzers and reused them under the name of 10 cm FH 315(i). After the war, the surviving howitzers received a ring mount identical to that of the British 25-pounder howitzer, giving it 360° traverse. The barrels were rebored from 100 mm to 105 mm and the breeches replaced. The resulting howitzers were capable of firing standard NATO ammunition and remained in service until the mid-1980s for training purposes.
Ammunition
The Obice da 100/17 Mod. 14 and Mod. 16 could fire different types of rounds with the 100 x 132 mmR cartridge.
Granata Dirompente da 100High-Explosive (HE)12.73
Obice da 100/17 ammunition
Name
Type
Weight (kg)
Granata Perforante da 100
Armor Percing (AP)
//
Granata a Doppio Effetto da 100
High-Explosive (HE)
12.93
Granata Shrapnel
Shrapnel
11.45
Granata da 100 Modello 1932
High-Explosive (HE)
13.80
Granata a Doppio Effetto da 100 Modello 1932
High-Explosive (HE)
13.33
Granata a Doppio Effetto da 100 Modello 1936
High-Explosive (HE)
13
Effetto Pronto
High-Explosive Anti-Tank (HEAT)
//
Effetto Pronto Speciale
High-Explosive Anti-Tank (HEAT)
//
Granata Incendiaria da 100
Incendiary
//
Granata Fumogena da 100
Smoke
//
Granata Lacrimogena da 100
Tear Gas
//
Despite the short-range and low muzzle velocity of the projectile, the 10 cm howitzer was often used in the anti-tank role. The hollow-charge armor-piercing Effetto Pronto projectiles were designed for this weapon and were delivered in very small numbers to the units in mid-1942. This new projectile was tested in Germany in November 1942 against captured Soviet tanks and demonstrated its capabilities against T-34-76 medium tanks and KV-1 heavy tanks. Italian 100 mm EP ammunition proved at least as effective as German 105 mm HL ammunition, suggesting that it could penetrate a 100 mm ballistic steel plate angled at 90°. In May 1943 a more powerful projectile, dubbed the Effetto Pronto Speciale, was adopted.
The Autocannone da 100/17 su Lancia 3Ro could transport 100 rounds on board. The ammunition was carried in two 50-rounds wooden racks in the cargo bay, right behind the cabin. Other projectiles were transported on truck ammunition carriers assigned to each battery.
Secondary Armament
The secondary armament on the Autocannone was a single Breda Modello 1938 medium machine gun. This gas-operated machine gun was developed by Società Italiana Ernesto Breda per Costruzioni Meccaniche in 1938 and accepted into service in the same year.
This was the vehicle version of the powerful machine gun adopted as the company or battalion support heavy machine gun by the Regio Esercito, the Breda Modello 1937. The Mod. 37 was the heaviest rifle-caliber machine gun of the Second World War, with a weight of 19.4 kg, while the Mod. 38 was smaller, with a weight of 15.4 kg, thanks to the shortened barrel of 575 mm compared to the 740 mm long-barrel of the Mod. 37. The machine guns were probably taken from some knocked out Italian medium tanks, like some other parts of the autocannoni.
The machine gun had a theoretical rate of fire of 600 rounds per minute, over 100 rounds per minute more than the Mod. 37. Due to the 24-round top-mounted curved-magazine, the practical rate of fire dropped to around 350 rounds per minute.
The machine gun fired 8 x 59 mm RB cartridges developed by Breda exclusively for machine guns. The 8 mm Breda had a muzzle velocity between 790 m/s and 900 m/s, depending on the round type. The armor piercing ones penetrated 11 mm of non-ballistic steel angled to 90° at 100 meters. Unfortunately, where the ammunition was stowed and the precise number of magazines carried on board the Autocannone is unknown. Some vehicles had anti-aircraft support mounted on the cabin’s left.
Crew
The crew was composed of 6 soldiers: commander, driver, gunner, two loaders, and another gun operator. The driver sat on the right side of the open-topped cab while the vehicle’s commander/gun commander sat on the left side. Between the two, there was enough space for an additional gun crew member. The gunner and two loaders were placed on the cargo bay.
When firing the gun, the driver helped to reload the gun or operated the anti-aircraft machine gun. The drivers of the supply trucks assigned to the batteries also helped to fire the gun to speed up the gun’s rate of fire.
For close defense, crews stored their personal weapons in the spacious Lancia 3Ro’s cargo bay. Usually, the crews were only armed with Carcano Modello 1891 in carbine or rifle versions.
Modifications
The Autofficine del 12° Autoraggruppamento Africa Settentrionale modified Lancia 3Ro heavy duty trucks, cutting out the cabin roof and sides under the windshield level, giving 360° of traverse for the howitzer. On the cargo bay, two box-shaped wooden ammunition racks and a bench for the gun loaders were added.
Some 20 liters can supports were placed under the cargo bay. From the photographic sources, these held 6 cans and were welded to the frame of the truck on the left side, in front of the rear wheel. However, since this was a mostly improvised vehicle, the supports changed sometimes. Other photos show vehicles with a 3 can support. With the six 20 liters cans filled with fuel, the vehicle could have a theoretical range of 1,000 km on-road and 850 km off-road. With 3 cans, it could have a theoretical range of 750 km on-road and 650 km off-road. Apart from these modifications the vehicle was left unchanged.
A turret rotation ring, taken from destroyed medium tanks of the ‘M’ series, such as the M13/40, was placed on the cargo bay. The ring held a platform on which the Obice da 100/17 Mod. 14 or Mod. 16 howitzer mount was welded.
The howitzer carriage was modified, removing the wheels, the spade, shortening the trail, and removing the armored shield. This ingenious system allowed for 360° of traverse. At the front, over an arc of 33° to the right and 33° to the left, the howitzer could only fire at a minimum elevation of +5° due to the cabin and ammunition boxes. Over the remaining 294°, the gun could fire with a depression of -8°.
The vehicle did not have jacks to lift it off the ground, as on other autocannoni. The recoil of the gun was quite low and did not cause any damage to the chassis.
However, with each shot, the vehicle moved some centimeters even with the handbrake on, a problem that was solved by putting wooden wedges under the wheels. This forced the gunner to re-aim the howitzer after each shot. The necessity of re-aim the main gun after each shot slowed down the rate of fire while the presence of the wedges forced the crew to remove them when the vehicle needed to be transferred in another place did not permit them to quickly relocate to avoid British counter-batteries fire.
Italian writer Nico Sgarlato, in his book ‘I Corazzati di Circostanza Italiani’, claims that around 20 other autocannoni equipped with 100 mm howitzers on Lancia 3Ro hulls were produced in 1942, but there is no evidence for this.
Operational Use
The first vehicle was ready in late September 1941. The tests began on 29th September 1941 and included six days of driving on asphalt, dirt, and off-road, with an average length of 170 km. After each mobility test, firing tests were carried out to assess whether the stress of the howitzer’s recoil caused damage to the vehicle’s chassis.
A total of 1,019 km were covered by each vehicle and 1,782 rounds of 100 mm were fired. The maximum speed reached was 40 km/h on asphalt and 30 km/h on dirt roads. Off-road, the maximum speed was between 15 and 30 km/h. On soft sand, the bulk of the vehicle made it sink, slowing it down, but on stony terrain the great mobility of the Lancia 3Ro allowed it to overcome most obstacles.
Fire exercises were carried out with direct and indirect fire at short, medium and long distances. Even when the weapon was aimed to the sides, no balance problems were encountered.
By the fall of 1941, the first battery composed of the four autocannoni, along with ammunition carriers and other logistic vehicles based on captured Morris 30-CWT medium trucks and Italian Lancia 3Ro heavy trucks, was formed. This was the 14ª Batteria Autonoma (English: 14th Autonomous Battery), one of the 16 batteries equipped with autocannoni. On 23rd November 1941, during Operation Crusader, the unit clashed with British tank formations, inflicting heavy losses on the enemy. Unfortunately, nothing is known about its position on the battlefield and if the battery was assigned to an Italian or a German unit.
On 1st December, the 14ª Batteria Autonoma attacked a British supply depot in the desert, probably with the support of units of the 132ª Divisione corazzata ‘Ariete’ (English: 132th Armored Division) units. However, during the attack, German Junker Ju. 87 “Stuka” ground attack aircraft attacked the battery, mistaking it for British trucks.
Some sources claim that all the four autocannoni with 100 mm howitzers and some autocannoni da 65/17 were destroyed, while others claim that one autocannone da 100/17 survived and was destroyed some time after during Crusader Operation during a fight against British tanks. A total of 6 soldiers and a NCO were killed in the airstrike.
Three more batteries, equipped with 4 Autocannoni da 100/17 su Lancia 3Ros each, were created in 1942. They were part of the XVII Gruppo (English: 17th Group) that was assigned to the Raggruppamento Celere Africa Settentrionale (English: North Africa Fast Grouping).
The Raggruppamento Celere Africa Settentrionale was composed of two Gruppi Celeri (English: Fast Groups), each containing an armored car squadron with 48 AB40 and AB41 armored cars, one Gruppo Batterie da 65/17 Autoportate (English: Truck-mounted 65/17 Battery Group), one Gruppo Batterie da 75/27 Mod. 11 Autoportate, one Gruppo Batterie da 100/17 Autoportate, and one Batteria Antiaerea da 20/65 (English: 20 mm Anti-Aircraft Battery). These units were supported by 2 infantry battalions and a logistic unit.
In January 1943, the XVII Gruppo was passed to the 136º Reggimento artiglieria (English: 136th Artillery Regiment) of the 136ª Divisione Corazzata ‘Giovani Fascisti’ (English: 136th Armored Division).
The ‘Giovani Fascisti’ artillery regiment was composed only of autocannoni batteries: the XIV Gruppo and XV Gruppo were equipped with Autocannoni da 65/17 su Morris CS8, the XVI Gruppo equipped with Autocannoni da 75/27 su FIAT-SPA TL37, the XVII Gruppo with Autocannoni da 100/17 su Lancia 3Ro and, finally, the 88ª Batteria Artiglieria Contraerea (English: 88th Anti-Aircraft Artillery Battery) was equipped with Cannoni-Mitragliere da 20/65 Modello 1935 loaded on Ford and Chevrolet trucks.
Unfortunately, sources very rarely mention the use of the autocannoni armed with the 100 mm howitzers. It is plausible that, due to the small number of Autocannoni da 100/17 su Lancia 3Ro produced, most of them were lost during 1942, during the desert battles against British troops.
It is, therefore, logical to assume that, when the XVII Gruppo was assigned to the 136º Reggimento artiglieria, it had half, or perhaps even less of the initial vehicles. The XVII Gruppo probably had other autocannoni or even field artillery pieces in its ranks to replace losses.
Conclusion
The Autocannoni da 100/17 were have been effective in the African Campaign, where their timely intervention could turn the fortunes of some battles. However, few were built and there is little information about their use. They were also unarmored and vulnerable to enemy small arms fire or air attacks and lacked protection for the crew, who were vulnerable to shrapnel and small bullets.
Autocannone da 100/17 su Lancia specifications
Dimensions (L-W-H)
7.25 x 2.35 x 2.3 m
Total weight, battle-ready
6.5 tonnes
Crew
6 (commander, driver, gunner, and 3 loaders)
Propulsion
Lancia Tipo 102 diesel, 5-cylinder, 6,875 cm³, 93 hp at 1,860 rpm with a 135 liter tank
Speed
40 km/h
Range
530 km
Armament
One Obice Škoda da 100/17 Modello 1914 or Modello 1916 and a 8 mm Breda Modello 1938 medium machine gun
Italian Social Republic (1944-1945)
Light Armored Car – 1 Converted
The SPA-Viberti AS43 Blindata (English: Armored) was an improvised light armored car produced on the Camionetta SPA-Viberti AS43 chassis and used by the Battaglione ‘Fulmine’ (English: Battalion) of the Xª Divisione MAS (English: 10th MAS Division) in late-1944 and early-1945.
This unit of the Esercito Nazionale Repubblicano or ENR (English: National Republican Army) was active in anti-partisan operations, mainly in Piemonte and Veneto, two regions in northern Italy. Little is known about its service and there were lots of doubts about its chassis.
The Repubblica Sociale Italiana after the Armistice
After the Italian Armistice was announced on 8th September 1943, the Italian Regio Esercito (English: Royal Army) was disbanded, with some soldiers deciding to join the Esercito Cobelligerante Italiano (English: Co-belligerent Army) under Allied control. Others created Italian partisan units, while others swore allegiance to the Germans. Over a million fought against and were captured by the Germans.
Benito Mussolini, Duce of Italy, had been deposed from power on 25th June 1943 and spent some time in an Italian prison. On 12th September 1943, he was freed by a daring mission by a group of German Fallschirmjäger (English: Paratroopers).
Benito Mussolini was then taken to Germany, where he met Adolf Hitler to decide Italy’s destiny. Returning to Italy on 23rd September 1943, he created the Repubblica Sociale Italiana or RSI (English: Italian Social Republic) in northern and central Italy, which had been controlled by the Germans until that moment.
Of the thousands of Italian vehicles captured by the Germans (tanks, armored cars, supply vehicles, artillery pieces, etc.), only a few were returned to the new Italian units loyal to Mussolini. This meant that the units needed to equip themselves with vehicles abandoned by the Regio Esercito troops after the Armistice, that had been damaged before the Armistice, abandoned in military depots, or with civilian trucks requisitioned for military necessities.
The Esercito Nazionale Repubblicano, the heir of the Regio Esercito, received the majority of these vehicles, but there were not enough. In fact, it probably received or retrieved less than 20% of the vehicles necessary to fight and logistics duties.
The Guardia Nazionale Repubblicana or GNR (English: National Repubblica Police), used as a military police and for anti-partisan duties, was equipped with even fewer vehicles. Some units were able to equip themselves with many armored fighting vehicles and trucks, such as the Gruppo Corazzato ‘Leonessa’ (English: Armored Group), which managed to get around 60 tanks, around 20 armored cars, and more than an hundred trucks, cars and motorcycles.
The Corpo Ausiliario delle Squadre d’Azione delle Camicie Nere (English: Auxiliary Corps of the Action Squads of the Black Shirts), an auxiliary corp used almost exclusively to counter partisan actions, was practically not equipped with any armor at all. Of the 56 Black Brigades created, only two received armored vehicles, while the other brigades had to armor some civilian or military trucks in an improvised way in civilian workshops.
The majority of the Repubblica Sociale Italiana’s units were equipped only with military or civilian trucks that they used as transport vehicles or that they armored themselves.
The Xª Flottiglia MAS (English: 10th MAS Flotilla) was a Motor Torpedo Boat (MAS – Motoscafi Armati Siluranti – Armed Torpedo Motorboats) and nautical saboteurs unit, which had some of the most resounding successes of the Italian Army against the British Navy in the Mediterranean.
Before the Armistice, Frigate Captain Junio Valerio Borghese took command of the unit and, after September 1943, reorganized it into a naval assault infantry corps, equivalent in part to the US Marine Corps. The unit abandoned the saboteurs missions and become a naval infantry division.
The Xª Divisione MAS was equipped with a few vehicles during its service with the Repubblica Sociale Italiana. These were mostly FIAT 626 medium trucks and FIAT 666 heavy trucks, one Carro Armato Leggero L6/40 light tank, one Autocannone da 90/53 su SPA Dovunque 41, and some 75 mm, 100 mm and 105 mm artillery pieces.
Design
SPA-Viberti AS43
The Camionetta Desertica FIAT-SPA AS43 or SPA-Viberti AS43 was an Italian light reconnaissance unarmored vehicle developed for North African service as a cheaper, lighter, and easier to produce variant of the SPA-Viberti AS42 ‘Sahariana’.
In Italian, the term ‘Camionetta’ (plural Camionette) designated unarmored cars, jeeps, or light trucks used in reconnaissance and infantry support roles.
It was developed by Società Piemontese Automobili or SPA, a FIAT subsidiary, and by Officine Viberti, both based in Turin. The project began using the chassis of the FIAT-SPA AS37 (AS for Autocarro Sahariano – Saharian truck) light lorry, itself derived from the FIAT-SPA Trattore Leggero Modello 1937 ‘Libia’ (English: Light Tractor model 1937 ‘Lybia’).
The AS43 was produced from mid-1943 until the 8th September 1943 Armistice. After the German occupation of northern Italy, production was restarted for the German Army, which used the vehicles with some modifications until the end of the war.
Engine and Suspensions
The configuration was all-wheel drive, as on the AS37, but on this new vehicle only the frontal wheels steered, reducing the mechanical complexity and the need for complex maintenance of the four-wheels steering system.
The front wheels had independent coil spring suspension coupled with hydraulic shock absorbers which guaranteed great comfort on rough terrains. The rear wheels had inverse leaf springs, reinforced compared to those of TL37 light prime mover due to increased weight and the need to withstand the stress of recoil from the main gun.
There are doubts about the brakes. Italian Tanks and Combat Vehicles of World War II, written by Ralph Riccio, mentions that the Camionetta had hydraulic brakes, while the Le Camionette del Regio Esercito, written by Enrico Finazzer and Luigi Carretta, makes no mention of modifications to the original AS37 desert light truck, which had mechanical brakes with the brake pedal acting on pairs of brake jaws for each wheel.
The engine was a more powerful version of the one used on FIAT-SPA AS37, the SPA 18VT 4-stroke, 4-cylinder, petrol engine delivering 73 hp (or 75 hp, depending on the sources) at 2,000 rpm. This gave a maximum fully-loaded on-road speed of 68.5 km/h.
The fuel tank had a capacity of 120 liters, giving a range of 300 km, while the gearbox was the same as on the AS37, with 5 forward and one reverse gears.
Structure
Officine Viberti in Turin, a company with 1,780 workers, specialized, before the war, in producing bodyworks for Lancia and FIAT trucks. During the war, it also produced some autocannoni for Ansaldo and produced the frames of the Camionette that were produced jointly with SPA.
The SPA-Viberti AS42 proved adequate, but the Regio Esercito needed something lighter and cheaper. The Technical Department of the Officine Viberti took the experiences gained from the North African Campaign with the Autocarro Sahariano 37 light lorry, the Camionetta AS37 and the Camionetta Desertica Modello 1943 (English: Desert Camionetta Model 1943) in order to design something new.
The AS37 frame was taken, lowered from a ground clearance of 390 mm to 345 mm. The cab was totally modified, apart from the hood and the radiator grille. The side doors, the windshield, the roof, and the third seat were removed.
The cargo bay was completely modified, the spare wheel was moved from behind the cab, to the cargo bay’s rear, on a tiltable support that the crew could lower to permit 360° traverse to the main gun. The cargo bay’s sides were fixed and could not be lowered.
Developed as a desert vehicle, there were two lockers on the sides, between the rear mudguard and the commander and driver’s seats. Each locker could store five 20 liter jerry cans, with another six that could be positioned on the mudguards, for a total of 16 20 liter jerry cans for drinkable water, engine lubricant oil, and fuel. Obviously, given its use mainly in the Italian peninsula, the jerry cans were rarely used and the crew transported ammunition for the main gun in the side lockers instead.
The main gun could be a Cannone da 47/32 Mod. 1935 or Mod. 1939 support gun or an anti-aircraft Cannone-Mitragliera Breda da 20/65 Modello 1935. The vehicle commander was also armed with a Breda Modello 1937 or Modello 1938 medium machine gun on a support mounted on the left side of the cab, with its ammunition placed in a small rack between the driver’s and commander’s seats.
The SPA-Viberti AS43 Blindata
It is unclear if the SPA-Viberti AS43 truck on which the SPA-Viberti AS43 Blindata was based was a new production model recently delivered from the Officine Viberti plant in Turin (where the finished camionette were ready for delivery) or whether the Battaglione ‘Fulmine’ took possession of an AS43 somewhere in Liguria or Piemonte.
The Camionetta was probably modified by workers in one of the FIAT plants or workshops in Turin in mid-1944. The armored plates used on the vehicle were most likely donated to the battalion by the Turin Arsenal which, at that time, was responsible for the production of other improvised armored vehicles.
The original bodywork produced by Officine Viberti was removed and an armored superstructure, part welded, part bolted, was fixed to the chassis. It had an angled hood and an armored radiator grille, while the sides were vertical, apart from the upper part.
On the roof there was a structure for the frontal and rear machine guns, which were mounted in spherical supports, with some loopholes on the sides, probably to permit the crew to see the battlefield and to defend themselves with personal weapons. The structure had a single large hatch or two small hatches on the roof.
The upper hatch was probably used to observe the battlefield or to open fire in anti-aircraft roles. An armored door was probably placed on the rear side to permit the four crew members to easily access and escape from the vehicle.
The driver was placed on the right and had a large hatch in front of him, but not on the sides, meaning he did not have a clear view of the battlefield.
The vehicle’s commander sat on the left and had at his disposal a machine gun on a spherical support in front of him. He had a square hatch on his top. The rest of the crew was positioned behind them, operating the machine guns placed on the structure. For night operations, the two machine gunners had at their disposal a searchlight placed on the center of the structure’s roof. This could be operated manually, exposing the soldier through the upper hatch.
The wheel mudguards were removed and replaced with armored, longer, and different shaped ones. These also covered the sides to better protect the tires from small-arms fire. Inside the frontal mudguards were the unarmored headlights. On the left front mudguard was a rod used by the driver to help drive through narrow mountain streets or to park.
The few photos of this vehicle show that the engine compartment had some hinged maintenance hatches on the hood and that the mudguard’s lateral plates could be opened upwards to change a tire or for suspension maintenance.
The new armored structure increased the weight of the vehicle at the expense of mobility. The engine, due to the increase in weight, was probably under stress, likely creating a series of problems, such as higher fuel consumption, increased wear of mechanical parts, and the need for more maintenance.
According to Paolo Crippa, who interviewed a veteran of the battalion, the armored car’s armor was very light, so much so that the veteran was very critical of its effectiveness in combat.
This could mean that the thickness was very limited, maybe between 4 mm and 6 mm, or that the plates were made of non-ballistic steel and consequently, less resistant, even to the weapons of the Partisans, who were armed with nothing but rifles, a few submachine guns, and the odd machine gun.
The camouflage on the AS43 Blindata was a three-tone ‘Continentale’ camouflage typical of Italian vehicles used on the mainland, composed of a ‘Kaki Sahariano’ (English: Saharian Khaki) background with reddish-brown and dark green spots.
Only a few images of the vehicle exist, but it is clear that it was not based on an AB41 armored car or SPA-Viberti AS42 chassis, as claimed by some sources.
The AB41 and SPA-Viberti AS42 chassis were derived from the same frame, the FIAT-SPA TM40 (Trattore Medio – Medium Tractor), and are too big to be the vehicle seen, with a wheelbase of 3.2 meters compared to the 2.5 meters of the SPA-Viberti AS43 and the AS37.
Another counter to this theory is the engine compartment, positioned at the front on the ‘Fulmine’ armored car. The AB41 and the AS42 had the engine on the rear.
Finally, an armored car like the one seen could only have very limited use because of how the armament was arranged and the shape of its superstructure. It would be logical that, if the ‘Fulmine’ Battalion had recovered an AB41 armored car or a Camionetta SPA-Viberti AS42, it would have immediately put it back into service without this unnecessary modification.
Some sources also hypothesize that the armored body may have been mounted on the SPA-Viberti AS37 chassis, but the AS37 was no longer in production and there is no data on the use of an AS37s by the Xª Divisione MAS or other units of the Italian Social Republic. However, if this were true, it would be impossible to prove.
Armament
The SPA-Viberti AS43 Blindata’s main armament was made up of three Breda Modello 1937 medium machine guns. This gas-operated machine gun was developed by Società Italiana Ernesto Breda per Costruzioni Meccaniche in 1937, the same year it was accepted into service.
It was a powerful machine gun adopted by the Regio Esercito as a company or battalion support heavy machine gun. It was the heaviest rifle-caliber machine gun of the Second World War, with a weight of 19.4 kg.
It had a theoretical rate of fire of 460 rounds per minute, but due to the 20-round feed strip, the loader needed to put in one ammunition feed strip after another. This dropped the practical rate of fire to around 200 rounds per minute when used on a tripod and operated by a machine gun squad. Inside the narrow AS43 Blindata and operated by only one soldier, the effective rate of fire of the machine gun would certainly fall, probably to less than 100 rounds per minute. This however meant that the weapons hardly overheated.
The machine gun shot 8 x 59 mm RB cartridges developed by Breda exclusively for machine guns. The 8 mm Breda had a muzzle velocity between 790 m/s and 800 m/s, depending on the round type. The armor piercing ones penetrated 11 mm of non-ballistic steel angled to 90° at 100 meters. Unfortunately, the quantity of ammunition transported in the vehicle is unknown and would have largely depended on availability.
Operational Use
The vehicle was first spotted during a parade in Turin on 29th October 1944, on the occasion of the delivery of the unit flags. It passed through Via Roma, Turin’s main boulevard, and was then placed in Piazza Castello (former Royal Palace Square), where the Battaglione ‘Fulmine’ was reviewed by some fascist higher-ups and generals who delivered the unit flags.
It was used in Piemonte and Valle d’Aosta, the two Italian regions of the northwest where the Battaglione ‘Fulmine’ and other units of the Xª Divisione MAS were active, patrolling the roads that went from Italy to France and Switzerland. These would have been the only escape routes for German and Italian troops fleeing Italy. The Italian Partisans also knew this and tried to sabotage the supply lines, destroying bridges and occupying cities where there were Fascist headquarters.
Some days before, on 10th October 1944, some Partisan units liberated the city of Alba, 50 km south of Turin. The Repubblica Partigiana di Alba (English: Partisan Republic of Alba) remained free and autonomous for 23 days. On 2nd November 1944, units of the Repubblica Sociale Italiana, such as the Black Brigades of Turin and Cuneo, the I° Reparto Arditi Ufficiali and a platoon of the II° Reparto Arditi Ufficiali, the X Battaglione Speciale, and some units of the Gruppo Corazzato ‘Leonessa’ attacked Alba. Most importantly, the Battaglione ‘Lupo’ and Battaglione ‘Fulmine’, Gruppi d’artiglieria da Campagna ‘Da Guissano’ and Gruppi d’artiglieria da Campagna ‘San Giorgio’ of the Xª Divisione MAS also participated, with a total of over 1,000 soldiers and auxiliaries. The Partisan units that defended the city were the IIª divisione ‘Langhe’, the 48ª Brigata Garibaldi ‘Dante Di Nanni’, the 78ª Brigata Garibaldi, Brigata ‘Castellino’, and the Brigata ‘Canale’. After some hours of fighting the city was reoccupied by the fascist troops.
The SPA-Viberti AS43 Blindata was almost surely transported to Alba, even if it was probably not used in action due to the impossibility of ferrying armored vehicles across the Tanaro river.
Neither Partisan nor Fascist sources report the use of armored vehicles, which had remained on the hills and on the north bank of the Tanaro, providing, if possible, fire support to the Fascist troops.
After a valiant defense, Alba was recaptured by fascist forces on 2nd November 1944.
After the actions in Alba, the Xª Divisione MAS was transferred to Veneto and then to Friuli Venezia Giulia to counter the fierce resistance of Tito’s Yugoslav Partisans. The Battaglione ‘Fulmine’ was positioned as a garrison in Sleppe d’Istria, where it fought against the Slovenian IX° Corpus partisans.
According to veteran testimonies, the AS43 Blindata was transferred to Sleppe too, but due to the karst terrain, it saw limited use, if any.
After this point, all traces of this vehicle are lost. The most probable hypothesis about the fate of the vehicle is that it was destroyed during an anti-partisan patrol or that it was destroyed or captured in the last days of clashes between the Xª Divisione MAS and the Yugoslav Partisans in April 1945.
Conclusion
The SPA-Viberti AS43 Blindata was one of the dozen improvised vehicles produced by the units of the Repubblica Sociale Italiana during the 17 months of its existence and used to fight against the Partisan brigades and the Allied forces.
The AS43 Blindata was a vehicle that was only suitable for anti-partisan actions, against an enemy with few anti-armor armament, but which would have easily succumbed to any better armed opposition.
SPA-Viberti AS43 Blindata Specification
Size (L-W-H):
~5 x ~2 x ~2.5 m
Weight, battle-ready:
~6 tonnes
Crew:
3-4 (driver, commander/machine gunner and one or two machine gunners)
Engine:
FIAT-SPA 18VT, patrol, 4-cylinder 4,053 cm³ delivering 73 hp
Socialist Republic of Vietnam (2021)
Wheeled Self-Propelled Gun – 1 Prototype Built
On October 28th, 2021, the People’s Army of Vietnam (PAV) published Military Engineering Academy – Opportunity and Inspiration, a documentary broadcast nationwide through the Vietnam National Defense TV channel.
In the documentary, the prototype of a new Self-Propelled Gun (SPG) could be seen performing mobility and firing tests. The official name of this new vehicle is Pháo Tự Hành 130 ly – Khung Gầm KrAZ-255B, abbreviated to PTH 130-K255B. This can be translated into English as: KrAZ-255B-mounted 130 mm self-propelled field gun.
Genesis of Vietnamese Self-Propelled Guns
The People’s Army of Vietnam is equipped with several outdated artillery pieces of Soviet and Chinese production, but also US-produced artillery pieces . These were captured from the Army of the Republic of Viet Nam (ARVN) in 1975 and put back into service afterwards because of the stocks of ammunition captured.
Small quantities of 105 mm M2A1 and M101 howitzers and 155 mm M114 are still in service today, used almost exclusively for training. Soviet 152 mm M-30 howitzers, 122 mm D-20, D-30, D-74, and 130 mm M-46 howitzers are also still in use. The M101 were extensively used also in self-propelled guns while of the M114 is mainly used for training due the presence of only few exemplars.
These outdated artillery howitzers need to be replaced or upgraded, but the limited finances of the PAV do not allow the replacement of large quantities of artillery pieces with modern Russian artillery pieces. Thus, at the end of the 2000s, the engineers of the People’s Army of Vietnam took steps to increase the mobility of some artillery pieces by mounting them on the chassis of heavy duty trucks.
Until 2014, the PAV did not possess any self-propelled artillery pieces, apart from 30 2S3 ‘Akatsiya’ Soviet-built tracked self-propelled guns received prior to the 2000s. Other than these, the Vietnamese Army also have in its ranks 100-150 2S1 ‘Gvozdika’ in service.
On January 15th, 2014, a wheeled self-propelled gun based on the heavy duty 4.5-ton Ural-375D 6×6 truck chassis, sporting the 105 mm M101 howitzer, was successfully tested. The vehicle, called PTH105-VN15 (Pháo Tự Hành 105 mm Việt Nam Model 15) was produced in small numbers in three different variants, M1 to M3. Shortly after, Vietnamese engineers also tested another self-propelled gun on the same Ural-43206 hull, armed with an 85 mm D-44 gun, the PTH85-VN18 (Pháo Tự Hành 85 mm Việt Nam Model 18).
The Vietnamese Army greatly appreciated the qualities of these wheeled self-propelled guns based on truck chassis and planned to develop a new self-propelled gun armed with a 130 mm howitzer. In 2017, the development of the new self-propelled gun was announced based on the experiences gained with the PTH105-VN15.
In March 2021, website source VietDefense leaked news of the development of a larger caliber self-propelled gun, but no photos or other information were released.
Design
The KrAZ-255B Chassis
For the new self-propelled gun, the chassis of the Ural-375D truck was not enough, because the weight of the gun and the stress of the recoil are much greater. The chassis chosen is that of the heavy duty 10-ton 6×6 KrAZ-255B off-road truck produced by the Soviet Kremenchuk Automobile Plant from the 1960s, present day Ukraine. It was heavily modified by the Vietnamese Union Enterprise Z751 – General Department of Engineering Research and Development plant. The truck has a maximum load capacity of 10 tonnes.
The engine is the standard YaMZ-238 V8 turbocharged diesel, delivering 240 hp at 2,100 rpm. It has a capacity of 14.86 liters and was produced by the Yaroslavl Motor Plant. It is connected to a 5-speed YaMZ-236N manual transmission. The new SPG probably retains the KrAZ-255B’s Central Tire Inflation System (CTIS), with the ability to change tire pressure to increase grip on different terrains. The original dimensions of the truck were 8.64 m in length and 2.16 m wide. The modifications made mean the SPG is certainly dozens of centimeters longer.
The KrAZ-255B truck has a range of 600 km with a load of 7.5 tonnes, with two diesel fuel tanks for a total of 330 liters. The maximum speed on the road is 70 km/h, with a maximum gradient of +60°. The new self-propelled gun version will probably have a lower maximum speed and a maximum gradient but will retain the excellent off-road qualities of the original chassis, which was, for many years, the backbone of Soviet artillery units, being able to carry heavy loads or tow heavy artillery pieces without too much difficulty even on rough terrains. The Cuban Jupiter V, a similar vehicle on the same frame, for example, has a weight of 20 tonnes and maintained a speed of 70 km/h, but with a reduced range of 450 km due to its weight.
Instead of the classic position of the engine compartment, in front of the cab, the vehicle has the engine at the front, with two small cabins on the sides. The one on the left is for the driver, being wider, with a better field of vision and better comfort during driving. In the right cabin is the seat of the vehicle’s commander, who has a slightly narrower cab.
Behind the new cabin is the cargo bay, with a spare wheel in the center, the travel lock and two large ammunition boxes. One stores 130 mm projectiles, while the other has casings with separate charges. On the sides of the two ammunition boxes are two steps that are opened downwards when the vehicle is in firing position in order to facilitate the work of the gun operators.
Behind the ammunition boxes, there is a basket, probably for the transport of the spent casings, and a couple of tool boxes that are probably used for spare optics and railings for the gun operators.
Finally, there is the gun mounting and two rear hydraulic jacks. These slightly lift the two rear axles of wheels of the vehicle when in firing position, decreasing the stress of recoil on the structure of the truck. On the back, there is also a platform with two railings and two side steps to facilitate access for the gun crew. When the vehicle is in motion, this platform is recessed inside the frame.
Analyzing the tactics of the People’s Army of Vietnam, it can be hypothesized that this vehicle, if it ever enters service, would be used in shoot-and-scoot artillery tactics. Exploiting its speed, its off-road characteristics, and the rapidity with which it can be deployed, Vietnamese units could use the dense forests to position the vehicle, well sheltered, open fire with a few rounds from a safe distance, thanks to the long range of the cannon, and then after raised the rear legs, move to another position, so as to confuse the enemy and avoid counter-battery fire.
The thickness of the armor of the vehicle’s cabin is not known, but it can be assumed that the vehicle has bulletproof armor and glass, at least frontally. It should be able to withstand the small arms and artillery shrapnel, in order to have a minimum of protection in the event of an enemy attack or counter-battery fire. The vehicle should also be able to protect the crew from anti-personnel mines and small Improvised Explosive Devices thanks to the armored cab and to its ground clearance of 360 mm.
Similarities with Cuban Projects
The Cubans were able to gain experience with Soviet artillery in some of the wars they participated in Africa, especially the Angolan Civil War (1966-1990). Due to the US embargo, the nation of Fidel Castro had to make do with what it had and, based on the experience gained in African conflicts, developed what is now known as the Jupiter series of wheeled self-propelled guns.
As soon as the Vietnamese PTH appeared, some sites that deal with news from the international military world could not help but underline the similarity of this self-propelled gun with the Cuban Jupiter V 130 mm Self-Propelled Gun.
The Jupiter was also produced on the KrAZ-255B 6×6 hull and appeared in Cuba before the collapse of the Soviet Union. It was also armed with the powerful 130 mm M-46 and is only the latest in a series of Cuban wheeled self-propelled guns, including the Jupiter IV, also on the KrAZ-255B 6×6 hull and armed with a 122 mm M1932/37 L/45, better known as A-19, and the Jupiter III, also on the same chassis but less heavily modified and armed with a 122 mm D-30.
In April 2012, Nguyễn Phú Trọng, General Secretary of the Central Committee of the Communist Party of Vietnam, visited Havana. Also present in the Vietnamese commission that arrived in the Republic of Cuba was the Chief of General Staff of the People’s Army of Vietnam, Phan Văn Giang, who had the opportunity to see some of the products of the Cuban war industry, including their Jupiter series self-propelled artillery vehicles and T-34-based vehicles, such as the 122 mm AAAP-T-122 D-30 and the 130 mm AAP-T-130 versions.
Given the similarities between the Jupiter V and the PTH 130, it is fair to assume that Vietnam took its cue or had the help of Cuban engineers in developing the new SPG. This thesis is supported by a statement by Cuban Revolutionary Armed Forces Deputy Minister Joaquin Quintas Sola, who emphasized the need for the two Socialist countries to share military technology when he visited Hanoi on September 18th, 2012, meeting with Nguyễn Tấn Dũng, the Prime Minister of Vietnam.
The Jupiter models were first discovered by Western media in a parade in 2006. At that time, Vietnam was looking for a solution to make their US-made howitzers more mobile, and the Cuban Jupiter III and the Vietnamese Ural-375D 105 mm self-propelled gun are also very similar.
Armament
The armament is a 130 mm M-46 L/55 towed field gun, with a horizontal sliding-wedge breech and hydro-pneumatic recoil. The gun is of Soviet origin, developed between 1946 and 1950 on the basis of the 130 mm M-36 naval gun and produced from 1951 until 1971. Vietnam received 519 units during the Vietnam War, split between the M-46 and Type 59 (the Chinese copy of the gun) version.
Keeping the original mounting, the gun has an elevation of +45°, while the original depression of -2.5° is no longer possible due to the vehicle’s cab. Despite losing the wheeled carriage, the artillery piece probably maintains a limited traverse of 25° to the left and 25° to the right. Firing at higher traverse angles would probably cause the vehicle to become unstable and potentially overturn.
In the documentary released by the Vietnam National Defense TV, the crew are not seen loading the howitzer. In one scene, 11 people are seen operating around the vehicle, including soldiers and men in civilian clothes, probably technicians and journalists. If the number of gun crew is limited to six, as on the similar Jupiter V, this means that the vehicle is not able to carry all of them, as the cabin has a maximum capacity of just 2 or 3 people. This means that the remaining gun crew have to be transported in a separate vehicle, probably with a reserve of ammunition or take seats on the rear part of the vehicle.
Weighing 3,880 kg (of which 80.5 kg of muzzle brake) without the wheeled carriage, the howitzer has a very long range, up to 27.5 km with the standard High-Explosive – Fragmentation (HE-Frag) ammunition and 38 km with the Rocket Assisted Projectile (RAP). Its rate of fire is probably similar to that of the standard M-46 field gun, ranging from 6 to 8 rounds per minute.
Fire Control System
For now, no Fire Control System (FCS) is seen onboard the vehicle in the released video. However, it cannot be ruled out that Vietnam has mounted (or plans to mount) an FCS on the self-propelled gun to increase the accuracy of the gun.
During its recently concluded 10th Military Congress, Vietnam unveiled its national upgrade for the Soviet-built, truck-mounted 122 mm multiple rocket launcher BM-21 ‘Grad’, 350 of which are in service with the PAV.
The new version, called BM-21M-1, will be automated with a new FCS that automatically calculates launcher elevation, wind speed, and other data for a much more accurate shot. The time to fire is also reduced from 14 minutes to 1.5 minutes. The crew of the upgraded BM-21M-1 is reduced compared to the original BM-21 ones.
If the PTH-130-K255B is also equipped with a Fire Control System in the future, this self-propelled gun could become much deadlier than it already is, remaining in service for several years, just like the T-54M3 & T-55M3.
Ammunition
The M-46 can fire different types of projectiles developed during the decades, not only by the Soviet Union, and now the Russian Federation, but also by Israel, China, and Iran. These are mainly High-Explosive (HE), High-Explosive Fragmentation (HE-Frag), Armor Piercing (AP), Rocket Assisted Projectile, Illumination, and Smoke rounds.
However, Vietnam produces its own line of 130 mm ammunition. However, few details are known due to the few sources available. However, it can be assumed that the ammunition produced by Vietnamese companies has similar or comparable characteristics to the Soviet 130 x 845 mm R rounds.
The explosive projectiles have a full weight (projectile plus separate charge) of 59.10 kg, of which 33.40 kg of the projectile and 3.64 kg of explosive. These projectiles have a muzzle velocity of 930 m/s and a range of 27.5 km.
Armor-piercing projectiles with a similar weight and muzzle velocity can penetrate a 245 mm thick 90° inclined steel armor at 1,000 m, 210 mm at 2,000 m, and 150 mm at 4,000 m. The maximum effective range of the armor-piercing projectiles is 4 km.
The Rocket Assisted Projectile, more precisely Extended Range Full Bore – Base Bleed (ERFB-BB) rounds, weigh 32 kg with a muzzle velocity of 970 m/s and a range of 38 km.
The existence of such a vehicle in Syria underlines the necessity, for some nations, to possess a self-propelled gun with the same characteristics as the PTH 130. Therefore, the Vietnamese SPG could also be quite successful if proposed for export to African or Asian nations which cannot afford to buy expensive wheeled self-propelled guns, such as the French Caesar, the Israeli ATMOS, or the Serbian Nora B-52. However, this is only a hypothesis because Vietnamese military vehicles usually are not exported.
Conclusion
The PTH is an inexpensive and easy-to-produce solution for a nation like the Socialist Republic of Vietnam, which has a limited defense budget.
Trials have reportedly been positive and mass production of this self-propelled gun could begin in the future to equip People’s Army of Vietnam units with a powerful, mobile, high range artillery piece.
This self-propelled gun is also probably developed with the help of the Cubans, perhaps starting a new series of joint developments between the two Socialist nations. Sharing designs and technologies in the military could lead to a modernization of the armored components of the two nations.
PTH130-K255B 130 mm Specification
Engine: YaMZ-238 V8 diesel supercharged, 210 hp at 2,100 rpm
Fuel:Diesel in two 330 liter tanks
Armament:130 mm M-46 L/55
Production:1 prototype
Italian Republic (1945-1954)
Medium Armored Car – Unknown Number Operated
After the Second World War, the surviving AB41 armored cars, formerly of the Regio Esercito (English: Royal Army), were put in service with the new Esercito Italiano (English: Italian Army), the Polizia di Stato (English: State Police), and the Arma dei Carabinieri (English: Arm of Carabinieri).
Their presence and operational service was greatly reduced with the entry into service of British and US production armored cars, despite the fact that they still performed their work very well.
After the Second World War, Italy was largely abandoned by Allied troops which only left a small amount of troops on the peninsular territories, but they abandoned thousands of trucks, armored cars, tanks, and guns all around Italy.
The vehicles stored in depots were: Allied destroyed vehicles abandoned, Axis destroyed or damaged vehicles or intact vehicles donated by Allied forces to Italy before leaving the Peninsula. Many British and US were abandoned because it was more expensive to bring the vehicles back than build new ones.
Thousands of GMC, Dodge, and Bedford trucks, T17 Staghound and Humber Mark IV armored cars, and other vehicles were put in service with the Esercito Italiano, Corpo dei Carabinieri Reali (English: Royal Carabinieri Corps) and the Corpo degli Agenti di Pubblica Sicurezza (English: Public Safety Agents Corps).
Former Axis vehicles were found in the Captured Enemy Materials (CEM) Camps placed all over the Italian peninsula. These camps were full of damaged or intact Italian and German vehicles, captured in Italy and abandoned by the Allies after cataloging them and in the case of the armed vehicles, destroying gun barrels or cannon breeches to render them unoperational. Here, the new Italian Army and police corps found hundreds of trucks that were put in service in their ranks.
Italian Political Situation after the War
The Kingdom of Italy was one of the nation’s worst off in the post-war period. Five years of war, including two within its borders, had destroyed 40% of buildings with about 500,000 civilian and military losses during the war out of about 43 million inhabitants before the war.
The Italians no longer trusted the Italian Government after dozens of years of Fascist rule and the bloody civil war of the last two years of war that, especially in northern Italy, had created great ideological rifts in the population.
The royal family of Savoia which had ruled over the nation since 1861, and had for longer in the preceding Kingdom of Sardinia, had become associated by the majority of Italians to the hardships and sufferings of Fascism and war. On 2nd June 1946, in the first votes using universal suffrage in Italy, the population had to decide the future of the nation, monarchy or republic. The republic option won with a small majority, but peace was far from arriving.
The industrial situation in the years after the Second World War was tense, with many strikes, riots, and even some armed factory occupations by the workers who demanded more rights and increased wages.
Peasants also went on strike for similar reasons with many striking and violent reprisals. Even the partisans, the true liberators of the nation together with the Allied troops, on several occasions, after the war, protested with arms against some actions of the Italian government that went against them.
Another serious problem that often involved the use of violence was the Italian police force. Due to the clauses of the 1947 Peace of Paris, the Esercito Italiano was greatly limited, with a maximum of 185,000 men and 200 tanks. The Allied powers, however, feared that the proximity to the Warsaw Pact nations to the east and the presence of still armed partisans of communist ideology would cause a coup that would overthrow the government, as had happened in Czechoslovakia in 1948. To prevent a situation like this, in the peace treaty of 1947, the Police and Carabinieri were not subject to war restrictions, and to all intents and purposes, the Police became a civilian police force organized and equipped as a military corps.
Design
The Medium Armored Car AutoBlindo Modello 1941 (English: Armored Car Model 1941) or more simply AB41, was an Italian armored car developed by FIAT and Ansaldo of which 667 were produced during the Second World War. Scores were captured and reused by many nations that participated in the conflict.
The AB41 was armed with a 20 mm L/65 Mod. 1935 automatic cannon produced by Breda and two 8 mm Breda Modello 1938 medium machine guns, one coaxial and one in a spherical support on the rear of the vehicle. It was developed as a long-range reconnaissance vehicle for the Regio Esercito and the Polizia dell’Africa Italiana (English: Police of Italian Africa), the Italian colonial police.
It had an operational range of 400 km thanks to the 195 liters of petrol and a maximum velocity on road of 80 km/h. It had a number of particular characteristics, including a double driving position, one at the front and one at the rear, allowing the armored car to be driven by two different drivers who could take over driving by simply lowering a lever. This permitted this fast armored car to disengage from an enemy skirmish only by lowering a lever in the narrow mountain roads or African villages in which it fought.
It had all-drive and all-steering wheels systems giving excellent off-road performances to the vehicle. It was also equipped with a powerful 60 km range radio with a 7 meters full-extended antenna on the left side.
During the war, many AB41s were abandoned by the Germans or Italian Fascist troops and were captured by Italian Partisans or Allied troops that rarely reused them and more often abandoned them in some depots where the enemy captured material was stocked.
Operational Use with the Italian Republic
After the war, the MLI Battaglione Carristi Autieri (English: 1051st Tank Driver Regiment) in Padova, a detachment of the Centro Addestramento Carristi (English: Tanker Training Center), under British command in Rieti, the Arsenale Regio Esercito di Torino (English: Royal Army Arsenal of Turin), and the Parco Veicoli Efficienti ed Inefficienti per Officina Riparazioni Mezzi Corazzati (English: Efficient and Inefficient Vehicle Fleet for Armored Vehicle Repair Shop) in Bologna received some AB41s from the CEM camps and from other origins that were then restored, rearmed, and delivered to new units.
AB41 and AB43 armored cars, light tanks of the L3 series, L6/40 light reconnaissance tanks, and even M13/40 medium tanks were recovered and given with priority to the Public Order units of the Corpo dei Carabinieri Reali and Corpo degli Agenti di Pubblica Sicurezza. In October 1945, the only armored vehicles of the Italian Army units were Bren and Loyd carriers used only as prime movers. After the proclamation of the Italian Republic in 1947, these were renamed into Arma dei Carabinieri (English: Carabinieri Wing) and Polizia di Stato (English: State Police) respectively.
The Polizia di Stato officers all came from the Regio Esercito, Polizia dell’Africa Italiana, Italian paramilitary militias (such as border guards, port and railroad militias, etc.), former Italian soldiers that had fought in the Allied ranks, and former Partisans, all of which were already trained to a certain degree.
The Arma dei Carabinieri officers all came from the Regio Esercito or previous police corps, while the Esercito Italiano was composed of former Regio Esercito or Co-Belligerent Army or new recruits.
Polizia di Stato
In 1946 and 1947, the I° Reparto Celere in Rome, II° Reparto Celere in Padova, and III° Reparto Celere in Milan (English: 1st, 2nd and 3rd Fast Departments) were created.
In 1948, the Reparti mobili (English: Mobile Departments) from the I° Reparto Mobile of Turin to the XX° Reparto Mobile of Cesena were also created. In February 1948, the Polizia di Stato had in service 200 armored cars plus another 100 bought in 1950. The majority were Humber Mark IV, T17E1 Stanground, and other British or US produced vehicles, but some were also AB41 and AB43 armored cars.
These 300 armored cars were assigned in 45 compagnie mobili (English: mobile companies), 11 nuclei celeri (English: fast companies), 16 sottonuclei celeri (English: fast platoons), 14 compagnie autoblindo (English: armored car companies), and 27 sezioni autoblindo (English: armored car sections) of the 20 reparti mobili and the 3 reparti celeri or of independent units.
Each reparto mobile and reparto celere had in its ranks a compagnia autoblindo (English: armored car company) composed of one plotone motociclisti (English: motorcyclist platoon), and 2 or 3 plotoni autoblindo (English: armored car platoons) with a total of 8 or 12 armored cars.
In the late 1940s and in the early 1950s, there were many strikes by workers in Italy, demanding better working conditions. They often ended up occupying entire factories for days, slowing down the country’s economy and creating quite a few inconveniences for the political establishment and factory owners.
The Partito Comunista Italiano (PCI) (English: Italian Communist Party) supported workers’ strikes and trade union struggles and gained more and more support among the population. The situation caused concern in the Italian state, which feared a coup. In fact, many leaders of the PCI had been partisans during the war and some of them were on good terms with members of the Communist Party of the Soviet Union (CPSU). For example, Enrico Berlinguer and Palmiro Togliatti, two of the leading figures in the Party at the time, were received by Stalin himself during a visit to the Soviet Union in the late 1940s. This was the reason why priority was given to equipping the public security forces with armored cars and even tanks, even at the expense of the new Esercito Italiano (English: Italian Army).
In June 1945, the Squadrone ‘F’ of the Corpo di Liberazione Nazionale (CIL) (English: National Liberation Corps) allied with the US forces, now renamed Squadrone Speciale da Ricognizione ‘F’ (English: Special Reconnaissance Squadron) in which some AB41s were deployed was disbanded together with the Reconnaissance Squadron of the Brigata Partigiana ‘Maiella’. The armored cars were probably donated to the Esercito Italiano or the police units.
The Polizia di Stato units equipped with AB41s were deployed in Padova, Rome Turin, and Udine. The city of Trieste, historically belonged to Italy, after the war was disputed between Italy and Yugoslavia. It was considered a contested area and was garrisoned by British and Yugoslav troops until 1953 when riots between the Italian and Yugoslav populations led to several dozen deaths.
Italy could not intervene but sent army and police troops to the border while diplomacy was running its course. On 5th October 1954, an agreement was signed and Trieste became Italian again.
In 1953-54, during the Trieste Crisis, the Italian Government deployed its forces along the border with Yugoslavia. Among these were the AB41s of the 2° Raggruppamento Celere from Padova’s II° Reparto Celere. These were the first that reached Trieste on 26th October 1954, when Trieste returned to Italian control.
The unit was used to escort vehicles and buses from Trieste to the other Italian cities to protect them from any type of threat until a police corp was created in the city.
After 1954, the AB41s were withdrawn from service, and almost all of them were scrapped, though a couple were sold to museums and private collectors.
Arma dei Carabinieri
In Autumn 1945, the Battaglione Mobile dei Carabinieri (English: Mobile Battalion of the Carabinieri) was created with an armored car company, a motorcyclist company, and 3 motorized companies. In April 1946, thanks to the newly repaired vehicles, the Battaglione Mobile dei Carabinieri was reorganized with a command company, a compagnia motocorazzata (English: armored/mechanized company) composed of a command platoon, 3 armored cars platoons and a motorcyclist platoon, and 3 mechanized companies.
In 1948 the Battaglione Mobile dei Carabinieri was reorganized again with three compagnie autotrasportate (English: motorized transported companies) and a compagnia motocorazzata with a total of 12 armored cars, probably the majority of the AB series, and 3 British troop carriers.
At the time, there were 13 battaglioni mobili (English: mobile battalions) and 29 nuclei autocarrati (English: motorized companies) deployed in the Italian peninsula.
There is little information about the Carabinieri service of these armored cars. The Carabinieri units were badly equipped after the war because after the Second World War. Even though the units were deployed all over Italy, but because of the losses suffered in the war and the few replacements received, the Carabinieri played only a secondary role in the security of Italy in the immediate aftermath of the war, and were mainly employed in operations against brigandage in southern Italy. A good example of this is the Legione Carabinieri in Palermo in 1947 which was still operating with an armored car of German origin abandoned in 1943 and restored to running condition.
Esercito Italiano
The AB41s in the new Esercito Italiano were completely replaced by Allied-built armored cars, mainly 3-axles M8 Greyhound heavy armored cars and T17 and T17E1 Stanground of US origin and Humber medium armored cars of British origin.
In summer 1946, the Italian infantry division ranks were organized and each division was equipped with 60 British Bren and Loyd carriers, 11 medium armored cars, and an imprecise number of scout cars for the artillery units.
In 1947,the cavalry units assigned to the Italian infantry divisions were also reincorporated. The 1° Reggimento ‘Nizza Cavalleria’ was created in Pinerolo in February 1947, and in July 1948 was equipped with 50 Bren and Loyd carriers and 17 armored cars of unspecified models. The Scuola di Cavalleria (English: Cavalry School) that trained the drivers of the AB series during the war was in Pinerolo, so it is logical to suppose that at least among some of these 17 armored cars present in 1948 were some old AB41s.
It would have been a similar situation with a number of other regiments, including:
2° Reggimento ‘Piemonte Reale Cavalleria’ founded in Merano but transferred to Florence with 11 armored cars and 60 British carriers
3° Reggimento ‘Savoia Cavalleria’ of Milan with 36 British carriers and 10 armored cars in July 1947 and 51 British carriers, 14 armored cars, 4 scout cars, and even 2 Stuart light tanks in 1949.
4° Reggimento ‘Genova Cavalleria’ of Albenga, then transferred to Albanuova with 19 armored cars of unspecified model in 1948.
5° Reggimento ‘Novara Cavalleria’ was the only regiment of which the exact model of armored car has been recorded and was equipped with 11 T17 and T17E1 in December 1947.
By late 1949, not a single AB41 or AB43 had survived in the ranks of the Italian infantry. Only the motorized and armored divisions had some few in their ranks. The only units that maintained the AB41s were some infantry regiments deployed as public order units. These armored cars were in service with the mixed armored platoons or company of these second-line units until 1954, when they were reorganized into three squadroni di cavalleria blindata (English: armored cavalry squadrons) assigned to Bologna, Florence, and Genoa with 2 plotoni carri armati, one with M5 and M5A1 Stuart light tanks and another with Italian-produced tanks, and 2 plotoni autoblindo with eight M8 Greyhounds.
At least eight AB43s and an unknown number of AB41s were converted after the war into the ‘Ferroviaria’ (English: Railway) version. This version, developed to patrol the Yugoslavian railways against the Yugoslav Partisan sabotages during the war, was readapted for the Reggimenti Genio Ferroviario (English: Railway Engineering Regiments) of the new Esercito Italiano. The adaptations were performed by the Arsenale di Torino which was one of the companies that examined and re-commissioned hundreds of light and heavy vehicles and artillery for the Italian Army.
While the AB41 and AB43 armored cars were withdrawn from the Police, Carabinieri, and Italian Army service in 1954-55, the Reggimenti Genio Ferroviario’s ABs were withdrawn only in the mid-1960s. The last ones were rearmed in 1961 with 12,7 mm Browning M2 Heavy Barrel heavy machine guns instead of the 20 mm automatic cannon. It had less penetration capabilities, but its rate of fire and muzzle velocity was superior. The armored car could also transport more 12,7 mm ammunition boxes.
Camouflage and Markings
The AB41s of the Italian Polizia di Stato were painted entirely in amaranth, a reddish-rose shade of red. This coating was chosen after the war for all the Corpo degli Agenti di Pubblica Sicurezza vehicles because at the time sirens were hardly ever used and a red vehicle was more visible in the city traffic. Another reason for this particular color was because this particular shade of red covered all the camouflage schemes previously used on the vehicles now in the police ranks.
In the first few years, each unit applied the coat of arms independently, for example, without mentioning which unit it belonged to or which company. From 1949, the coat of arms were modified, and all the vehicles had “Reparto Celere di P.S.” (P.S. for Polizia di Stato) painted in white on the side, and a small number painted white in a circle indicating to which compagnia autoblindo it belonged to. On the front fenders, two rectangles, one with “Celere” written, meaning it belonged to a reparto celere, and on the other, the city where it was used, were painted.
The Polizia di Stato coat of arms, an eagle with open wings, and a crown were painted on the front armored plate. It was adopted in 1919 by the Corpo della Regia Guardia per la Pubblica Sicurezza, basically the Italian Police. The latin motto ‘Sub Lege Libertas’ (English: Under Legality, Freedom”) was written alongside the eagle. The registration plates were painted directly on the armor, on a white painted line.
The Arma dei Carabinieri AB41s were probably painted in olive drab as the US vehicles. This was probably done because there was a lot of paint leftover in Italy by US troops. The vehicles also receive a small Italian flag on the left front fender and right rear fender and a military identification code on the other two fenders. The Arma dei Carabinieri was a paramilitary corps under Esercito Italiano so they received the military plates registered with EI (Esercito Italiano).
The Esercito Italiano’s AB41 were painted in olive drab or other dark green shades. Their coat of arms differs from unit to unit. Not all the vehicles received military plates painted in white or military identification code.
Conclusion
The AB41 had performed excellently during the Second World War, but with the advent of the post-war era, and available and cheap Allied-built armored cars, it was quickly withdrawn from frontline service and used by the Police Corps for public order and by the Italian Army as a railway vehicle.
The few AB41s barely survived the ‘monopoly’ of allied vehicles until the early 1950s. Although surpassed in armament and performance, the AB41s remained to represent the elegance of the Italian vehicles until the early 1960s as vehicles for the railway engineers.
AB41 Specification
Size (L-W-H): 5.20 x 1.92 x 2.48 m
Weight, battle-ready: 7.52 tonnes
Crew: 4 (front driver, rear driver, radio operator/machine gunner, and commander/gunner)
Engine: FIAT-SPA 6-cylinder petrol, 88 hp with 195 liters tank
Speed: 80 km/h
Range: 400 km
Armament: Cannone-Mitragliera Breda 20/65 Modello 1935 (456 rounds) and Two Breda Modello 1938 8 x 59 mm machine guns (1,992 rounds)
Armor: 9 mm Hull Turret: Front: 40 mm Sides: 30 mm Rear: 15 mm
Production: 667 in total, unknown in Italian Republic service
Sources
Gli Autoveicoli da Combattimento dell’Esercito Italiano Volume III, Tomi I and II – Nicola Pignato
Kingdom of Italy (1943)
Armored Personnel Carrier – None Built
The FIAT 665NM Blindato con Riparo Ruote was an Italian Armored Personnel Carrier (APC) project developed by the FIAT company of Turin for the needs of the Italian Regio Esercito (English: Royal Army).
Designed on the basis of the FIAT 665NM all-wheel drive truck, it would have a similar weight and characteristics to the older FIAT 665NM Scudato. The new design would have more armor, be a bit lower, and with more internal space for an additional four soldiers.
The project was similar to the Carro Protetto Trasporto Truppa su Autotelaio FIAT 626 developed in 1941. When, on 8th September 1943, the armistice was signed with the Allied forces, the project was probably proposed to the Wehrmacht and the Esercito Nazionale Repubblicano (English: National Republican Army) but without success and was then canceled.
‘FIAT 665NM Blindato con Riparo Ruote’ means Armored FIAT 665NM with Protected Wheels in English. This designation is also meant to distinguish it from the FIAT 665NM Scudato (English: Shielded), which did not have protection for the wheels.
Context and previous APCs
During the first Italian actions against enemy troops in Europe, East Africa, and North Africa, the Italian High Command felt the necessity of an armored personnel carrier to transport the Italian assault troops to the battlefield and to support tank actions.
The first vehicles used, especially in East Africa and in the Balkans, were rudimentary improvised armored trucks produced by the troops or in civilian workshops. These added scrap armored plates or trench shields to the vehicle in order to protect it from small arms fire.
In late 1941, the S37 Autoprotetto entered service. This was an APC produced by FIAT and SPA on the FIAT-SPA TL37 (TL for Trattore Leggero – Light Prime Mover) ‘Libia’ chassis. It could carry up to 10 soldiers, including the driver and the vehicle commander.
This APC, of which more or less 300 vehicles were made in total, was meant to be used in North Africa. However, all were actually employed in the Balkans. There, due to the narrow mountain roads and the many isolated Italian and German garrisons, they were not used offensively, but to escort supply columns to the isolated garrisons and to defend these in case of a partisan attack.
FIAT 665NM Scudato
The FIAT 665NM Scudato or Protetto was the heaviest and biggest armored personnel carrier of the Second World War. It was essentially a FIAT 665NM that, after coming off the production line, was immediately equipped with armored plates between 7.5 mm and 4.5 mm thick. This was not an adequate thickness against heavy machine guns or similar caliber guns, but adequate for the tasks it performed throughout the war.
More than 110 vehicles were produced until 8th September 1943, when production stopped. The vehicles that survived were used by the Wehrmacht and by the new Repubblica Sociale Italiana (English: Italian Social Republic), the Republic founded by Benito Mussolini on 23rd September 1943 in the Italian territories not yet occupied by the Allied forces.
Design
FIAT 666NM and FIAT 665NM
The FIAT 665NM was developed after March 1941 as a 4×4 variant of the FIAT 666NM (NM stands for Nafta; Militare – Diesel; Military) produced by Fabbrica Italiana Automobili Torino or FIAT (English: Italian Automobiles Factory, Turin) in the FIAT Mirafiori plant in Turin.
In 1937, the Kingdom of Italy passed a law that outlined the main characteristics required of each truck, civilian or military, that was produced. This was done for three main reasons: Italy was a rapidly growing nation with numerous companies producing dozens of different models of trucks. A standardization would lead to the production of vehicles that were similar and with common parts, increasing the production capacity, lowering costs, and easing maintenance. Linked to this purpose was the problem of the embargoes Italy was placed under, and the policy of Autarchy, or the aspiration of Italy to be economically independent of foreign countries. Standardized trucks would certainly have helped to avoid the wastage of resources. Thirdly, and probably most importantly, the unification of civilian and military trucks meant that, in case of war, civilian trucks could be requisitioned for war needs, as they had the same characteristics and spare parts as military ones.
With Regio Decreto (English: Royal Decree) N° 1809 issued on 14th July 1937, the so-called Autocarri Unificati (English: Unified Trucks) were born. For heavy trucks, the maximum weight was not to exceed 12,000 kg, of which at least 6,000 kg of payload, with a minimum road speed of 45 km/h. For light trucks, the ground clearance was to be at least 200 mm, the maximum truck weight was to be 4,000 kg, and the payload was 3,000 kg.
The FIAT 666N was a heavy-duty truck. The civil version was developed in 1938 under the Regio Decreto N° 1809 rules. Its military version, the FIAT 666NM, was presented to the Centro Studi della Motorizzazione on 19th September 1940 for evaluation. In total, about 8,000 FIAT 666s left the assembly lines of the Mirafiori plant, including the direct-injection post-war 666N7 and FIAT 665NM versions.
After the armistice of 8th September 1943, between November 1943 and December 1944, 79 FIAT 666NM and 2 FIAT 665NM were delivered to the Wehrmacht.
The FIAT 666 was produced in a wide range of fittings, such as standard trucks and fuel tankers for civil service. For military service, recovery trucks, fuel, and water tankers, mobile workshops, petrol engine variants, and many others were produced.
Engine
Propulsion was provided by the FIAT Tipo 366 6-cylinder in-line diesel engine. It had overhead valves, with a displacement of 9,365 cm³ and FIAT-produced injectors. The maximum output power was 110 hp at 2,000 rpm on the civil FIAT 666N, FIAT 666NM for the Regia Aeronautica, and on the FIAT 665NM. The maximum output power on the FIAT 666NM for the Regio Esercito was limited to 95 hp at 1,700 rpm. The direct-injection Ricardo-type chamber created lots of problems in the cold Russian steppes, which forced the crew to mix the diesel with gasoline to allow the engine to start.
The maximum speed on-road was 57 km/h for the FIAT 665NM, 48.3 km/h for the power-limited FIAT 666NM, and 56.8 km/h for the FIAT 666N and FIAT 666NM without the power governor.
The fuel was kept in a 255-liter tank (135 liters for the FIAT 666N) located on the right side of the chassis and guaranteed a 750 km range on-road (465 km for the FIAT 666N). A FIAT 6-75-2510 diaphragm pump sent the fuel to a 5.5-liter tank located behind the cab’s dashboard. This ensured trouble-free feeding thanks to a gravity injection pump.
The lubricant oil tank had a capacity of 12 liters, while the water-cooling tank had a capacity of 50 liters. Air was drawn through two oil bath filters mounted on the back of the engine.
Brakes and electric systems
The single dry plate clutch was connected to the gearbox via a cardan shaft. This could be removed independently of the gearbox and engine simply by removing the rear casing. This meant that maintenance and disassembly were easier.
The transmission, thanks to the reductor, had eight gears and two reverse gears. The drum brakes were hydraulic and had a pedal-operated air brake booster. The compressed air tank, with a capacity of 55 liters, was located on the left of the frame and had a pressure of 5.5 bar. On the NM version, the rear axle was equipped with a differential lock system.
There was a 12 Volt electrical circuit to power the headlights and dashboard, and a 24 Volt circuit for starting the engine. The two 12 V Magneti Marelli batteries were housed in a box on the left side of the chassis, behind the air tank.
Structure
The cargo bay measured 4.75 m long by 2.20 m wide, with a height of 600 mm on the civilian version and 650 mm on the military version. It was authorized to carry up to 6 tonnes of cargo but could carry, without difficulty, and L6/40 light tank (weighing 6.84 tonnes).
The cab had the steering wheel and the driver on the right, while the vehicle commander sat on the left. The cab’s doors opened backward. Due to the slow production rates, some early FIAT 666NM were equipped with civilian FIAT 666N cabs.
In spite of its respectable dimensions and its large load capacity, the FIAT 666 heavy-duty truck, with a weight of 6 tonnes for the FIAT 666NM variant and 7.2 tonnes for the FIAT 665NM variant, could travel at more than 56 km/h with a 12-tonne trailer attached. Fully loaded, it could climb slopes of 26°. Thanks to its short wheelbase and cab layout, it was comfortable traveling on mountain roads.
The FIAT 666NM had a rim size of 20 x 8” (50.8 x 20.32 cm), while the FIAT 665NM had a rim size of 24 x 9” (61 x 23 cm). This allowed the latter to mount 11.25 x 24” (28.5 cm x 61 cm) tires, the same as the armored cars and camionette of the Regio Esercito. Like the armored cars and Camionette, it could use a wide variety of tires, such as the Tipo ‘Libia’ and Tipo ‘Sigillo Verde’. These, thanks to their wide profile, afforded good flotation on loose sandy soils. The Tipo ‘Artiglio’ and Tipo ‘Artiglio a Sezione Maggiorata’ were used for continental terrain and Russian steppes, roughly equivalent to the Non-Directional Tread (NDT) tires used by the US Army. The Tipo ‘Raiflex’ was meant for sandy ground and produced with Rayon (Raion in Italian) synthetic fiber (RAI-flex for Raion). All were developed and produced by the Pirelli company in Milan.
Strangely enough, most of the images of the FIAT 665NM Scudati show that most of the vehicles were equipped with Pirelli Tipo ‘Libia’ tires, a very strange decision if we consider that none of the vehicles were used in Africa, but only in Northern Italy and the Balkans.
FIAT 665NM Blindato con Riparo Ruote
The FIAT 665NM Blindato con Riparo Ruote was never finished. The project was started on 15th April 1943, a bit less than five months before the Armistice and it apparently did not have time to be accepted by the High Command of the Royal Army.
The vehicle chassis would be left intact, removing the standard cab and the wooden cargo bay. Unlike the FIAT 665NM Scudato, the armor would be mounted directly on the chassis and not around the cab and the cargo bay. A new armored structure with an open roof would be welded to protect the crew and personnel carried on board. This reduced the total weight by some tonnes, permitting the use of thicker armored plates on the vehicle.
The driver and vehicle commander’s seats were left intact, together with the driving position, the radiator, engine compartment, and the various fuel, air, and cooling water tanks and battery box.
The welded armored structure would be made of angled 8 mm armored plates in order to better deflect the small-caliber rounds. Frontally, the armored plates would have two vision slits, one for the driver, on the right, and one for the vehicle commander, on the left. Centrally, on the lower armored plate, an armored grille protected the radiator. This grille could be removed to extract the engine. As on the FIAT 626 medium truck and FIAT 666 heavy-duty truck, the engine could be extracted from the cab’s front after the removal of the grille thanks to rollers mounted on the two supports of the engine.
Also mounted on the front were two headlights which were shielded to cover them when not in use. The frontal bumper was left intact from the FIAT 665NM chassis. The driver and vehicle commander also had at their disposal two armored doors to quickly enter the vehicle. They could also access their positions through the rear door.
The side doors were divided in two parts due to the angled armored plates. They were equipped with slits on the upper part to permit the driver and the vehicle commander to check the sides of the road or of the battlefield.
As on the original FIAT 666N and FIAT 665NM, the doors opened backward, and thus would not provide adequate frontal protection to crew members if they exited the vehicle in an emergency situation.
Behind the driver’s and commander’s seats were two rows of wooden benches with backrests for 12 soldiers. These were placed longitudinally with a central corridor.
On the rear left side was the spare wheel support. In order to accommodate the wheel, the rear left wooden bench section was shifted forward some centimeters, partially obstructing the rear access door. The section’s backrest was foldable to help the crew extract the spare wheel from behind the bench.
There was enough space under the benches to store the soldier’s personal equipment, in addition to the crew equipment, ammunition, and the spare parts which were also stored here. The soldier’s rifles and other weapons could be stowed between the angled armored plates and the benches.
The rear armored door was placed in the center and was also divided into two parts due to the angled armored plates, but did not have a vision slit. Under the armored rear door, there was a foldable step to help the personnel to enter the vehicle.
On the rear, the license plate would be placed on the left side. The trailer hitch was left intact, while the rear lights were placed on the armored fenders, which had a thickness between 10 mm to 15 mm. The armor plates that protected the wheels were 8 mm thick, as on the structure, while the front part of the fender was also from 10 mm to 15 mm thick.
The big problem of the vehicle seems to have been the open roof that would make the vehicle vulnerable to hand grenades, artillery splinters and shrapnel, and air attacks. This would be a common problem of Italian armored personnel carriers of the Second World War. However, this also had advantages, such as the fact that each carried soldier could open fire or throw hand grenades at enemy targets.
The vehicle had a ground clearance of 325 mm, not enough to protect it from mines. Its belly armor would only be 28 mm of wood on the personnel compartment’s floor. This meant that the vehicle could not ford water over 325 mm deep and that, in the event of an explosion under the vehicle, the wooden floorboards would create dozens of splinters that would increase the effectiveness of the mine, killing or injuring the soldiers carried on board.
It was perhaps for this reason that the Centro Studi della Motorizzazione (Eng: Center for Motorisation Studies), the department which examined new vehicles, had not yet authorized the production of a prototype even after five months.
Part
Weight (kg)
Armor Plates, 8 mm thick
1,590
Wooden floor, 28 mm thick
200
Front Armored Fenders from 10 mm to 15 mm thick
40
Armored shield for the rear wheels, 8 mm thick
280
Rear Armored Fenders, from 10 mm to 15 mm thick
30
Wooden benches with backrest
140
Foldable rear step
20
Bolts and rivets
100
Total weight armored structure
2,440
Persons, 26 x 100 kg
2,600
Total weight structure and persons
5,040
FIAT 665NM Chassis
~ 1,300
Total weight
~ 6,340
Total Battle ready
~ 11,000
Had it entered service, the vehicle would have served as an armored personnel carrier to transport infantry squads and support Italian tank assaults, primarily in the desert.
As seen with the previous S37 Autoprotetti and the FIAT 665NM Scudati, its destiny would probably have been quite different and it would have acted as an armed escort for convoys loaded with supplies in places where partisan presence was a constant threat to unprotected military vehicles.
Armament
The FIAT 665NM Blindato con Riparo Ruote did not have armament in its blueprints, but it is logical to suppose that it would have a pintle mount or some supports for machine guns, as used on the Carro Protetto Trasporto Truppa su Autotelaio FIAT 626 or the previous FIAT 665NM Scudato, and German and Japanese armored personnel carriers.
As on the other armored personnel carriers of its era, the FIAT 665NM Blindato con Riparo Ruote could probably have a frontal support or, most common on Italian vehicles, a 360° traverse pintle mount with a shielded medium gun or a Solothurn S-18/1000 anti-tank rifle, as on the APC based on FIAT 626NLM chassis, and two supports for other light or medium machine guns on the sides like the German Sd.Kfz. 251 or the Japanese Type 1 Ho-Ha.
The most likely armament would have been a FIAT-Revelli Modello 1914/1935 or a Breda Modello 1937 8 x 59 mm RB medium machine gun mounted frontally.
The first one was an Italian First World War era machine gun produced by FIAT under Revelli development, modified and recalibrated from 1935 and was fed by 50-rounds magazines. The second one was a modern machine gun, developed by Società Italiana Ernesto Breda per Costruzioni Meccaniche and fed from 20-rounds clips.
Probably the frontal machine gun mount or the central pintle mount would have featured a shield to protect the machine gunner.
Some side supports for Breda Modello 1930 6.5 x 52 mm Mannlicher-Carcano light machine guns could also have been added.
The infantry squad of the Regio Esercito was composed of 18 men, consisting of a Commander Sergeant, a Deputy-Commander Sergeant armed with a rifle or Moschetto Automatico Beretta (MAB) Modello 1938 submachine gun, two corporals armed with a Breda Modello 1930 light machine gun, and 14 riflemen.
The vehicle could have comfortably carried an entire infantry squad with room for 4 more soldiers, sappers, medics or extra ammunition. In case of need, the two corporals of the squad could probably have mounted their Breda Modello 30 on the side supports and increased the firepower of the vehicle.
Less likely would have been the use of a Solothurn S-18/1000 20 x 138 mm B anti-tank gun or a Breda-SAFAT belt-feed medium machine gun chambered for the 7.7 × 56 mm R (Italian designation of the .303 British) in order to increase the volume of fire or suppressive capacity from the vehicle.
Conclusion
The FIAT 665NM Blindato con Riparo Ruote was one of the dozens of Italian paper projects that never came to light because of the Armistice of 1943. Like all other projects, it is very difficult to say whether it would have made a valuable contribution to the Italian troops or whether it would have become, like the previous Italian armored personnel carriers, a simple vehicle for escorting columns of supplies.
Specification
Size (L-W-H)
7.4 x 2.7 x 2.48 m
Weight
11 tonnes
Crew
2 (commander and driver) + 24 soldiers
Engine
FIAT 366 9,365 cm³, 110 hp with 255 liters tank
Speed
~50 km/h
Range
~700 km
Armament
1 machine gun
Armor
from 8 mm to 15 mm
Production
paper project
Sources
Gli Autoveicoli tattici e logistici del Regio Esercito Italiano fino al 1943, Tomo I Volume II – Nicola Pignato and Filippo Cappellano
Italian Social Republic (1944-1945)
Light Armored Car – 2 or 6 Built
The Carrozzeria Speciale su SPA-Viberti AS43, not to be confused with any of the other many developments on this chassis that Italy experimented with in the 1940s, was produced by the Officine Viberti of Turin in small numbers.
Because of the scarce information about it, it is often mistakenly called Autoblinda AS43 (English: AS43 Armored Car) or Tipo Zerbino after Paolo Zerbino, Chief of the Province of Turin and then Minister of the Interior of the Repubblica Sociale Italiana (English: Italian Social Republic).
The Carrozzeria Speciale su AS43 was used by the Gruppo Corazzato ‘Leonessa’ (English: Armored Group) of the Guardia Nazionale Repubblicana (English: National Republican Guard) from mid-1944 to the end of the war.
History of the Project
After the first engagements between Italian and Commonwealth troops in North Africa, it was clear to the Italian Regio Esercito (English: Royal Army) High Command that it was necessary to field a light armored car for fast reconnaissance as soon as possible. Starting work from the FIAT-SPA TL37 ‘Libia’ (TL for Trattore Leggero – Light tractor) light prime mover, which had good mobility thanks to the powerful gasoline engine and oversized tires, a new armored car was designed.
The new Autoblinda TL37 or Autoblinda AS37 (AS for Africa Settentrionale – North Africa) had an open-topped turret armed with a powerful Cannone-Mitragliera Breda da 20/65 Modello 1935 20 mm L/65 automatic cannon and a coaxial machine gun. Only one was built by the Ansaldo-Fossati plant in Sestri Ponente, near Genoa. It was shipped to North Africa, where it formed part of an experimental armored car platoon of the Regio Esercito, the Raggruppamento Esplorante del Corpo d’Armata di Manovra or RECAM (English: Reconnaissance Grouping of the Mobile Army Corp), alongside 3 AB41s of the Army, and 9 AB41s and an AB40 from the Polizia dell’Africa Italiana or PAI (English: Police of the Italian Africa) which arrived at a similar time.
Unfortunately, not much is known about its service. It was abandoned at Sidi Rezegh, south of the main road between Tobruk and Bardia, east of El Adem, probably due to a mechanical failure. The project was abandoned in favor of the ‘AB’ series of armored cars, the most produced during the war and the most modified Italian armored car during the war.
In North Africa, there was a development of ‘special’ vehicles by Italian frontline troops, which desperately needed vehicles to support their offensives. This is how some camionette (Italian word for reconnaissance military cars) were born, based on the chassis of the FIAT-SPA AS37, a light lorry developed on the chassis of the FIAT-SPA TL37 ‘Libia’.
These easy-to-modify vehicles were appreciated for their off-road characteristics and sturdiness. In late 1942, the Royal Army started to mass-produce vehicles with similar characteristics and for the same purposes. The first one was the Camionetta Desertica Mod. 1943 (English: Desert Reconnaissance Car Model 1943), of which a dozen were produced and used mainly in the Defense of Rome between 8th and 10th September 1943.
Another vehicle developed was the Camionetta SPA-Viberti AS43, produced in 1943 on the AS37 light truck chassis as a cheaper and easier-to-produce vehicle to accompany the bigger and more expensive Camionetta SPA-Viberti AS42 ‘Sahariana’. Even this vehicle, despite being developed for use in North Africa, was never used in that operational theater. It saw use in Italy with the troops of the Royal Army to prevent attacks by paratroopers and Allied landings on the Italian coast.
After the Armistice of 8th September 1943, which led to the occupation of central and northern Italy by the Germans, the few vehicles captured and those produced between 1944 and 1945 were used almost exclusively by the Wehrmacht.
Of the dozens of Italian units loyal to Mussolini after the armistice, only a couple used the SPA-Viberti. The 2ª Compagnia of the Battaglione ‘Fulmine’ of the 2° Reggimento of the Xª Flottiglia MAS used a single modified vehicle, known as the SPA-Viberti AS43 Blindata. The Gruppo Corazzato ‘Leonessa’ modified a certain number of vehicles at the Officine Viberti of Turin.
Design
Camionetta SPA-Viberti AS43
The Camionetta Desertica FIAT-SPA AS43 or SPA-Viberti AS43 was an Italian light reconnaissance unarmored vehicle developed for North African service as a cheaper, lighter and easier to produce variant of the SPA-Viberti AS42 ‘Sahariana’.
In Italian, the term ‘Camionetta’ (plural Camionette) designates unarmored cars, jeeps or light trucks used in reconnaissance and infantry support roles.
The AS43 was developed by Società Piemontese Automobili or SPA, a FIAT subsidiary, and by Officine Viberti, both based in Turin. The project was started using the chassis of the FIAT-SPA AS37 (AS for Autocarro Sahariano – Saharian truck) light lorry, itself derived from the FIAT-SPA Trattore Leggero 37 ‘Libia’ (English: Light Tractor).
The AS43 was produced from mid-1943 until the 8th September 1943 armistice. After the German occupation of northern Italy, production was restarted for the German Army, which used the vehicles, with some modifications, until the end of the war.
The AS37 chassis was lowered from a ground clearance of 390 mm to 345 mm. The cab was completely modified, apart from the hood and the radiator grille. The side doors, the windshield, the roof, and the third seat were removed. The cargo bay was completely modified. The spare wheel was moved from behind the cab to the cargo bay’s rear, on tiltable support that the crew could lower to allow a full 360° traverse to the main gun. The loading bay’s sides were fixed and could not be lowered.
Developed as a desert vehicle, there were two lockers on the sides, between the rear mudguard and the commander and driver’s seats. Each locker could store five 20-liter jerry cans. Another six could be placed on the mudguards, two for each rear mudguard, and one for each frontal mudguard. This gave a total of 16 20-liter jerry cans for drinkable water, engine lubricant oil, and fuel. Obviously, given its use mainly in the Italian peninsula, the jerry cans were rarely transported and the side lockers transported ammunition for the main gun instead.
The main gun of the Camionetta AS43 could be a Cannone da 47/32 Mod. 1935 or Mod. 1939 47 mm L/32 support gun or a Cannone Breda da 20/65 Mod. 1935 anti-aircraft gun. The vehicle’s commander also fired a Breda Mod. 37 or Mod. 38 medium machine gun on a support mounted on the left side of the cab. The ammunition was placed in a small rack between the driver’s and commander’s seats.
Turret
The AS43 armored car’s turret was the Modello 1941 (English: Model 1941) developed and produced by Ansaldo for the L6/40 light reconnaissance tank. The one-man turret had an octagonal shape with two hatches, one for the vehicle’s commander/gunner on the roof and the second one on the back of the turret, used to facilitate the disassembly of the main armament for maintenance. On the sides, the turret had two air intakes, in addition to two slits through which personal weapons could be fired for close defense. The vehicle did not have fans or smoke extractors.
On the roof, next to the hatch, there was a 30º vision panoramic periscope for the commander. This allowed the commander a partial view of the battlefield. Due to the limited space inside the turret, it was impossible for it to rotate 360°.
After the production of some armored cars and light tanks, it became apparent that the turret had some balance problems, so a counterweight was added on the back, under the rear hatch. The turret did not have a turret basket and the commander/gunner operated the cannon and the machine gun through the use of pedals. There were no electric generators in the turret, so the commander needed to control the traverse and gun elevation with handwheels. The steel cables used to operate the guns were of the ‘Bowden’ type, protected by a plastic sheath, the same principle as on bike brakes.
Armored Superstructure
In January 1944, the Turin Officine Viberti, a company specialized in bodyworks for Lancia Veicoli Industriali and FIAT Veicoli Commerciali trucks (mainly) and in the production (jointly with SPA) of armored cars and Camionette, resumed the project of the Autoblindo TL37, this time based on the chassis of the Camionetta SPA-Viberti AS43, in order to obtain a vehicle that was cheaper and easier to produce than the armored cars of the ‘AB’ series.
The first design of this project of the Technical Department of the Officine Viberti dates from 18th January 1944. The last modification is dated 3rd April 1944, while the first photos of operational vehicles are from May of the same year. This vehicle was officially designated Carrozzeria Speciale su SPA-Viberti AS43 by Officine Viberti and offered a certain degree of protection to the crew.
As on most Italian armored vehicles of the war, the armor was made of steel plates riveted to an internal structure. The armored superstructure had a mass of 911 kg, excluding connecting elements such as bolts and rivets.
The engine compartment was in the front and it had an armored radiator grille divided into four. On the engine deck, there were two inspection hatches. In order to remove the engine, the bolts of the engine deck had to be unscrewed and the plate lifted with a winch. The driver to the right and the loader to the left had slits to view the battlefield.
An armored door was present on each of the crew compartment’s sides, divided into two parts due to the angled armored plates. These were new models. In order to speed up production, the slits for close defense were removed.
On the rear were the cap for the 120-liter gasoline tank (right side) and sapper tools. The water tank cap was placed on the engine compartment, on the front, while the unprotected headlights were mounted in front of the mudguards. The vehicle had four armored fenders to prevent small arms rounds from piercing the tires. On the front fenders were width-limit indicators, used by the driver to help drive on narrow mountain roads or to park.
The armor was probably the same as on the armored cars of the ‘AB’ series, no more than 8 mm thick for the engine compartment and crew compartment. The turret had an armor of 18 mm on the frontal plate and gun shield, 10 mm on the sides and rear, and 6 mm on the roof. The lower rear angled armor plate was openable and protected the spare wheel from enemy fire.
The tires had the usual dimensions for Italian armored cars. These armored cars had the tires developed by Pirelli specifically for continental terrain, the Pirelli Tipo “Artiglio” 9 x 24″ (22.8 x 60 cm). Obviously, the rims were not modified and the vehicle could have mounted all the tires produced by Pirelli for the 24″ rims, also mounted on the AB series armored cars, the Camionette SPA-Viberti AS42 and the SPA TM40 prime mover.
Engine and Suspension
The SPA-Viberti AS43 was all-wheel drive, as on the AS37. On this new vehicle, only the front wheels steered, reducing the mechanical complexity and the need for complex maintenance of the steering system.
The front wheels had independent coil spring suspension coupled with hydraulic shock absorbers, which guaranteed great comfort on rough terrain. The rear wheels had inverse leaf springs, but these were reinforced compared to those of the TL37 light prime mover.
There are doubts about the brakes. ‘Italian Tanks and Combat Vehicles of World War II’, written by Ralph Riccio, mentions that the Camionetta had hydraulic brakes, while ‘Le Camionette del Regio Esercito’, written by Enrico Finazzer and Luigi Carretta, makes no mention of modifications to the original AS37 desert light truck, which had mechanical brakes with the brake pedal acting on pairs of brake jaws for each wheel.
The engine was a more powerful version of the one used on FIAT-SPA AS37, the SPA 18VT 4-stroke, 4-cylinder, petrol engine delivering 73 hp (or 75 hp, depending on the sources) at 2,000 rpm. This gave a maximum fully-loaded on-road speed of about 50 km/h due to the weight.
The fuel tank had a capacity of 120 liters, giving a range of 250 km, while the gearbox was the same as on the AS37, with 5 gears plus reverse.
Main Armament
The main armament was the Cannone-Mitragliera da 20/65 Breda Modello 1935. This 20 mm L/65 gun was developed as an anti-aircraft cannon but also used with great success in an anti-light armor role, with a theoretical rate of fire of 500 rounds per minute, while the practical one was about 220 due to the cramped space in the turret. It was equipped with an x1 sight produced by the San Giorgio Optics Factory. The elevation was +18°, the depression was -9°, while the manual traverse was 360°.
The Breda cannon could fire Italian-produced Armor Piercing-Incendiary – Tracer (API – T) and High-Explosive-Fragmentation – Incendiary – Tracer (HEFI – T) rounds of Italian production. These had a caliber of 20 x 138 mmB ‘Long Solothurn’, the same used by the German FlaK 38 cannon and the Solothurn S18-1000 anti-tank gun. With Italian armor-piercing rounds, the Mod. 1935 cannon could penetrate a 38 mm armor plate angled at 90° at 100 meters and a 30 mm armored plate at 500 meters. With German Pz.Gr. 40 ammunition, it could penetrate a 50 mm armor plate angled at 90° at 100 meters and a 40 mm armored plate at 500 meters. This made it a fairly fearsome weapon even against light tanks.
Secondary Armament
The secondary armament consisted of two Breda Modello 1938 8 x 59 mmRB Breda caliber machine guns. The first was coaxial to the cannon, on the left, while the second was in a ball support at the rear of the vehicle. These machine guns were the vehicle version of the Breda Modello 1937 medium machine gun and had a top-mounted curved box magazine with 24 rounds. The machine gun at the rear had x1 optics, identical to the main gun one.
From 1943 onward, anti-aircraft supports for the AB41 were produced by Ansaldo-Fossati, but very few were produced and not much is known about their use. No Carrozzeria Speciale su AS43 used them.
Ammunition
The ammunition load on the Carrozzeria Speciale su AS43 consisted of 50 magazines with 8 rounds each, for a total of 400 20 mm rounds. There were also 48 magazines of 24 rounds, for a total of 1,152 8 mm rounds. This compared well to the 456 20 mm rounds and 1,992 8 mm rounds stored in the AB41 and AB43 armored cars. The rounds were stored in two different wooden racks painted white, placed at the vehicle’s rear.
Many sources and videogames, such as War Thunder, mention the use of 8-round magazines instead of the common 12-round magazines. It is unclear whether these magazines were actually produced or whether they were modified on the battlefield by the crews to facilitate loading in the narrow turrets of the AB series armored cars.
The same sources claim that post-Armistice vehicles were mostly equipped with German-made ammunition. In some cases, the guns were modified by German crews to load the 24-round magazines of the FlaK 38 anti-aircraft cannon.
Operational Use
The Carrozzeria Speciale su SPA-Viberti AS43 was probably modified at the Officine Viberti plant in Peschiera Boulevard 249, where the Camionette SPA-Viberti AS43 were produced.
Many Italian sources claim that Paolo Zerbino, Chief of the Province of Turin from 21st October 1943 to 7th May 1944 and then Minister of the Interior of the Italian Social Republic, “participated” in the development. It is not clear how he participated, whether economically, by providing money for the development and production, or if he only acted as an intermediary between Officine Viberti and another Turin factory that supplied the steel plates for the production of the vehicles.
Although the production dates are not known, it is likely that the first two were produced between 3rd April and mid-May 1944. They were spotted on 23rd May 1944 in a parade of the Gruppo Corazzato ‘Leonessa’ in Turin.
The two vehicles were assigned to the 1ª Compagnia (English: 1st Company) or the 2ª Compagnia (English: 2nd Company) of the Gruppo Corazzato ‘Leonessa’, created in Montichiari, near Brescia in Lombardia.
In late February or early March 1944, the unit was transferred to Turin, in Piemonte and used almost exclusively in anti-partisan roles for the rest of the war. The two companies were located in the Caserma Dabormida and Caserma La Marmora barracks in Turin.
Between 27th May and 4th July 1944, the unit was employed in hunting partisans between the provinces of Ivrea and Biella in northern Piemonte. On these occasions, the Autoblindo AS43 was probably used. Official sources claim the use of “two armored cars”, which would probably be the Carrozzeria Speciale su SPA-Viberti AS43 on their first operational mission. A total of 33 partisans were captured, as well 3 Australian soldiers that had escaped from a prison camp, and some military equipment.
In June 1944, the continuous arrival of volunteer soldiers and the recovery of armored vehicles allowed the reorganization of the two companies. The Gruppo Corazzato ‘Leonessa’ was now composed of: 1ª Compagnia Carri (English: 1st Tanks Company), 2ª Compagnia Autoblindo (English: 2nd Armored Cars Company) and 3ª Compagnia Arditi (English: 3rd Arditi Company).
In late 1944, one of the AS43 armored cars may have been destroyed or abandoned. On 23rd March 1945, at the last official parade of the unit in Turin, there was only one Carrozzeria Speciale su SPA-Viberti AS43.
The hypothesis of the destroyed armored car is unproven. On 22nd March 1945, a detachment of the Gruppo Corazzato ‘Leonessa’ took part in an anti-partisan war in Valsesia, in the province of Vercelli, with a tank and an armored car of unknown model. It could very well have been a Carrozzeria Speciale su SPA-Viberti AS43 which would not have reached Turin, about 150 km away, in time for the parade.
In late April 1945, a detachment of the group, composed of an L6/40 light reconnaissance tank and two armored cars, of which one was surely a Carrozzeria Speciale su SPA-Viberti AS43, was sent to Val Tellina, near Tirano in Lombardia, with the task of keeping the area clear of partisans.
This was the area chosen by the Secretary of the Italian Fascist Party, Alessandro Pavolini, for the “Ridotto Alpino Repubblicano” (English: Republican Alpine Redoubt), an area cleared of partisans where to amass the fascist units loyal to Mussolini fleeing from the cities of northern Italy and where to resist the Allied troops while Benito Mussolini fled to Switzerland.
The second armored car was of an unknown model, either an AB41 or AS43. Apart from the improvised armored cars, the Gruppo Corazzato ‘Leonessa’ had in its ranks a total of 18 AB41s and AB43s during its time in Piemonte, Lombardia and Emilia Romagna.
If some Carrozzeria Speciale su SPA-Viberti AS43 remained in Turin, they followed the same fate as the Fascist troops in the city. After 24th April 1945, some tanks were deployed to protect strategic points of the city, while the armored cars were used to patrol the streets and as a reserve to launch counterattacks.
On 26th April 1945, the partisans attacked the city, occupying the town hall, the railway stations, and some manufacturing plants. Tanks and armored cars in the city were used to counterattack the partisan forces.
Around 1800 hrs of the same day, 4 tanks, 3 armored cars (model unknown), a platoon of Gruppo Corazzato ‘Leonessa’, and a platoon of the Black Brigade of Turin Iª Brigata Nera ‘Ather Capelli’ attacked and reconquered the barracks on Cernaia Street, the headquarters of the Black Brigade. The attack succeeded but, for the rest of the night, two armored cars (again, the models are unknown) and 5 tanks continued to patrol the parts of the city still in Fascist hands.
It was clear that it was impossible to repel the partisans, so the Fascist command of Turin decided to resist to the bitter end, hoping for the arrival of Anglo-American troops in order to surrender to them.
On 27th April 1945, an armored car escorted a truck of the Iª Brigata Nera ‘Ather Capelli’ to the Casa Littoria, the headquarters of the Italian Fascist Party of Turin in Carlo Alberto Street number 10. There, a group of Avanguardisti of the ‘Fiamme Bianche’ (English: White Flames) had barricaded themselves in for unknown reasons. The Avanguardisti were young people between 14 and 18 years old who voluntarily joined the RSI troops but, being too young, were not yet assigned to frontline units.
The armored car (of unknown model) managed to provide adequate supporting fire, evacuating all the young men from the building and escorting them to safety at the Caserma Cernaia barracks.
The situation was worsening by the minute. At 0140 hrs on 28th April 1945, all the surviving Fascist forces in the city, about 5,000 soldiers, gathered in Piazza Castello and fled towards Lombardia to gather at “Ridotto Alpino Repubblicano”. The protection of the column of trucks was entrusted to the tanks and armored cars of the Gruppo Corazzato ‘Leonessa’. The column reached Val Tellina and waited, with about 10,000 more men, until 5th May 1945, when they surrendered to the Anglo-American troops.
The detachment sent to Val Tellina had a different fate. Until 26th April 1945, all was quiet at Tirano, near Sondrio, a few kilometers from Switzerland. On the morning of 27th April, a column made up of the detachment from the ‘Leonessa’, 2° Battaglione of the III Legione Guardia Nazionale Repubblicana di Frontiera ‘Vetta d’Italia’, XXXVIII Brigata Nera ‘Ruy Blas Biagi’, and some soldiers of the French Vichy Republic, a total of about 1,000 men, set out for Sondrio in order to reach Benito Mussolini. The column was immediately blocked at the exit of the city by partisan troops, starting the Battle of Tirano.
On the night of 27th April, the Brigata Partigiana ‘Gufi’ (English: Partisan Brigade) encircled the city of Tirano. In the following hours, groups of partisans from Val Grosina and from the Sondalo area also arrived.
The total number of partisans is difficult to determine, partly because their lines were strengthened by citizens who arrived in the early hours to join them. The writer William Marconi, who took part in the battle as a partisan of the Brigata Partigiana ‘Gufi’, states in his book ‘L’Aprile 1945 fra Tirano e Grosio’ that there were no more than 300 or 350 partisans, with no heavy weapons apart from some mortars. They faced 1 L6/40 light reconnaissance tank, two armored cars (one AS43 and the other of an unknown model), and several trucks armed with Cannone-Mitragliera da 20/65 Breda Modello 1935, including at least one civilian FIAT 634N 2nd Series requisitioned weeks or days earlier by the Army.
The fight lasted from dawn until 1630 hrs. Among the partisans, there were two deceased, Ermanno Balgera and Nello Braccaioli, and some others were wounded. The Vichy French troops suffered 5 casualties and several wounded. The Fascists lost nine men and two auxiliaries (women assigned to units as nurses, cooks, etc.). In the reports, three Germans are also marked as fallen, of whom nothing else is known.
The armored car ended up in partisan hands after the clash, along with other vehicles of the Fascist column. These were used in the following days, until 2nd May 1945, in the area of the Mortirolo Pass, at 1,852 meters above sea level, where an attack by the I Legione d’Assalto ‘M’ ‘Tagliamento’ was feared.
Camouflage and Markings
The known vehicles had two different types of camouflage schemes, the Kaki Sahariano (English: Saharan Khaki), standard monochrome camouflage of the Italian Regio Esercito until mid-1943. However, as they were delivered to the unit in May 1944, this scheme was probably used because Officine Viberti had no other paint. The other scheme was the Continentale (English: Continental) three-tone camouflage scheme. It was the standard camouflage scheme for the vehicles produced after the end of the North African Campaign, when it became obvious that the peninsula had to be defended from Allied attacks and a desert camouflage was no longer suitable for the purpose.
The Kaki Sahariano base vehicles were covered with reddish brown and dark green spots. It was adopted from December 1944. The vehicles spotted from 23rd March until April 1945 had this camouflage pattern.
The only license plate known is ‘GNR 0151’, spotted on 23rd May 1944. When the vehicles had Kaki Sahariano camouflage they received the Gruppo Corazzato ‘Leonessa’ coat of arms on the turret sides and rear hatch. This was a red ‘m’, for Mussolini, with a lictorian beam (symbol of the Italian Fascist Party), and the acronym ‘GNR’ painted in red.
The vehicle captured in Tirano by the partisans received some patriotic slogans painted in white on the superstructure. Due to the framing of the only known photo of the vehicle and the low quality, only the word “ESERCITO” (English: Army) is legible.
It was common practice for the partisans to paint slogans or the names of fallen comrades on vehicles captured from the Fascists, both for superstition and in order to avoid friendly fire. It is possible that the phrase on the armored car was “ESERCITO DI LIBERAZIONE” (English: Liberation Army).
Conclusion
In the desperate situation in which the Italian Social Republic found itself in 1944, the Carrozzeria Speciale on AS43 was all the Fascist Italian troops could get.
Even if it was not a vehicle with extraordinary characteristics, it was employed in secondary tasks and against adversaries equipped with weak weapons that could not destroy it. The few examples produced were used successfully until the end of the war.
Carrozzeria Speciale su SPA-Viberti AS43 Specifications
Total weight, battle ready
5 or 6 tonnes
Crew
3 (driver, loader and commander/gunner)
Propulsion
Tipo 18 VT 4-cylinder petrol, 4,053 cm³, 73 hp at 2,600 rpm and 120 liter tank
Speed
~50 km/h
Range
~ 250 km
Armament
One Cannone-Mitragliera Breda da 20/65 Mod. 1935 and a 8 mm Breda Mod. 38
Kingdom of Italy (1941-1943)
Truck-Mounted Artillery – 24 Converted
The Autocannone da 65/17 su Morris CS8 was a wheeled self-propelled gun built during the Second World War by the workshops of the Italian Regio Esercito (English: Royal Army) in Libyan territory. This vehicle was created by installing a 65 mm infantry cannon on the cargo bay of British Morris CS8 trucks captured during the first actions in North Africa in 1940. This Autocannone was used by the Batterie Volanti (English: Flying Batteries) artillery group that fought against the Commonwealth forces in the Libyan desert during the North African Campaign.
Context
The word ‘Autocannone’ (Autocannoni plural) designated any truck equipped with a field, anti-tank or support gun permanently mounted on the cargo bay. It differs from the British term ‘Portée’ in that the Portée cannon was transported in the cargo bay on its wheeled carriage and, if necessary, could be unloaded and used as a normal field gun.
After the initial military success in the North African Campaign, such as the Italian Invasion of Egypt between 9th and 16th September 1940 and Operation Sonnenblume between 6th February and 25th May 1941, the Regio Esercito captured lots of British light trucks, such as the Morris CS8, Ford and Chevrolet 15 CWT, and some Canadian Military Pattern or CMPs. In that period, the Italian Army in Africa had serious motorization problems because the Italian industry could not provide enough trucks for the necessity of the Italian Army, Air Force, and Navy.
To replace losses and provide needed vehicles for supplying the units, the Army High Command was forced to requisition civilian trucks and French trucks captured during the French Campaign. Despite this, the number of trucks was still insufficient.
To fill the gap, newly captured British trucks were immediately put into service alongside Italian vehicles, some as normal light transport trucks, while others received some modifications. Some were transformed into reconnaissance vehicles, ammunition carriers, and command vehicles for motorized artillery groups.
The inadequacy of the Italian tanks, such as the L3 series light tanks and the medium M11/39 and M13/40 tanks, apparent in the fighting against the British tanks, and the reduced mobility of the infantry support artillery in the desert territory, pushed the High Command to appeal to the Italian workshops in Libyan territory to create vehicles for the role. These had to be light and fast and be able to support the Italian infantry or armored units from short-to-medium ranges with guns that would normally be towed. Such vehicles would be able to move quickly from one point to another on the North African battlefields to engage the enemy forces that broke through the Axis defensive lines.
This was seen by the Italian commanders in Africa as only a temporary solution before the production of better armed vehicles with adequate characteristics. The vehicles, like other autocannoni, were built at the Libyan workshops of the 12° Autoraggruppamento AS (‘AS’ stands for Africa Settentrionale – North Africa) situated in the Village of Giovanni Berta, near the city of El Gubba in north-east Libya.
The Trucks
The Morris CS8 was the standard light truck of the Commonwealth Armed Forces in North Africa. Dozens of different variants were built, including a command post, radio center, water and fuel tanker, compressor and, most noticeably, French Hotchkiss 25 mm Mle. 1934, Bofors 37 mm and 2 pounder portée versions.
It was a compact and reliable 15 CWT (Centum WeighT, a multiple of the British pound equivalent to 750 kg of loadable weight in the metric system) 4×2 truck. The rear-wheel drive vehicle was equipped with a civil-derived 6-cylinder gasoline engine with a volume of 3.5 liters, delivering 60 hp. It had a 100 liter tank that offered a range of 600 km.
Captured in large numbers by the Italians in Cyrenaica during the first phases of the war, the CS8 was appreciated for its characteristics by the Axis troops. It was widely used by the Italians as a desert reconnaissance truck, ammunition carrier, command post, or used to transport artillery pieces for Autocannoni da 65/17 field artillery guns and da 20/65 anti-aircraft guns for motorized artillery groups.
Modifications
First of all, the modifications involved the removal of the windshield, which was replaced with a small lowerable windshield for the driver, the removal of the waterproof tarpaulin and the tarpaulin rods, and the front bumper. The standard Morris truck’s cargo bay was lengthened from 460 mm to 510 mm. A rotating trunnion and a manual rotation system taken from knocked out or destroyed M13/40 Italian medium tanks was fixed on the cargo bay. The modified gun carriage, without the spade and the wheels, was mounted on it.
The fixed sides of the cargo bay were replaced with lowerable sides to allow 360° of rotation for the cannon and clear the recoil of 95 cm when the gun was pointed to the truck’s sides. On the rear part were the sappers’ tools, while on the side, were two perforated metal plates used for unditching the vehicles.
The weight of the truck increased from the standard Morris’ 1,969 kg to 2,846 kg, a weight not too much higher than a Morris CS8 at full load, which was around 2,700 kg.
Each vehicle was equipped with eight 20 liter jerry cans, usually 6 for fuel, with3 per side in two racks under the cargo bay, one for lubricant, and one for drinkable water, hooked on both sides of the cabin. In this way, the range from 600 km more than doubled to 1,325 km. Each Autocannone carried a reserve of 36 rounds for the cannon, increased later to 60 rounds stored in a rack on the cargo bay’s rear.
For close and anti-aircraft defense, a 360° support for a Breda Mod. 38 caliber 8 mm machine gun was mounted on the left side of the cabin for use by the vehicle’s commander. The ammunition for the machine gun was probably stored under the commander’s seat or wherever there was space. There were 5 crew members: a driver on the right of the cabin; a commander on the left; a gunner and two loaders on the cargo bay. They carried their personal weapons on board which were, from photographic evidence, Carcano Mod. 91/38 carabines, one of the shortest variants of the Carcano Mod. 1891 rifle family.
The Cannon
The Cannone da 65/17 Mod. 1908, and its successor, the Mod. 1913, were the standard mountain cannons of the Regio Esercito during the First World War. They were produced by the Arsenale Regio Esercito di Torino or ARET (English: Royal Army Arsenal of Turin) and afterwards, in the 1920s, the Arsenale Regio Esercito di Napoli or AREP.
In 1920, the Cannone da 75/13 produced by Škoda, of which hundred were captured during the war and thousands more were obtained after the war from Austria as war reparations, became the standard mountain gun in the Italian Army. As a consequence, the Cannone da 65/17s were assigned to all infantry divisions as a support cannon to replace the 3.7 cm Infanteriegeschütz M.15, which were produced in Italy as the Cannone da 37/10 Fanteria Mod. 1915.
Each Italian regiment was equipped with four 65/17 Mod. 1908 or Mod. 1913 cannons. The cannon was used in great quantities in the Ethiopian War and the Spanish Civil War, being used, due to the lack of guns specifically designed for the anti-tank role, as an anti-tank gun, succeeding in penetrating the armor of armored vehicles in service with the Spanish Republican troops, such as the Soviet BA-6 armored cars and T-26 and BT-7 light tanks, proving equivalent to the 47/32 Mod. 1935 gun in the anti-tank role.
At the outbreak of the Second World War, the 65/17 was assigned primarily to the Corpo di Spedizione Italiano in Russia (English: Italian Expeditionary Corps in Russia) and to the troops in North Africa.
Although it was a light and practical cannon to move, as it could be towed by the Moto Guzzi 500 TriAlce motorized tricycle, in the North African terrain, on the sand, it had mobility and stability problems. The main factor that characterized the war in the wide desert spaces was the need to have excellent mobility and rapid response to enemy attacks.
These factors prompted the Italian Royal Army leadership to install the cannons on truck beds.
There were four types of ammunition available for this cannon:
Cannone da 65/17 Mod. 1908 ammunition
Name
Type
Fuze
Weight (kg)
Muzzle velocity (m/s)
Penetration
Cartoccio Granata Dirompente
High-Explosive (HE)
Mod. 1912
4.22
355
//
Cartoccio Granata a Shrapnel
Shrapnel grenade
Mod. 1912
4.5
320
//
Cartoccio Granata Perforante
Armor-Piercing (AP)
I-90-909-R.M.
4.23
348
Not specified
Granata Effetto Pronto
High-Explosive Anti-Tank (HEAT)
//
//
~300
120 mm
Unfortunately, there is not much information about the rounds of the Cannone da 65/17 Mod. 1908/13. The High-Explosive Anti-Tank shells were distributed to first line units on the North African front after spring 1942. They were quite effective given the low muzzle velocity of the cannon and could penetrate 120 mm of armor at 90° at any distance. The maximum range of the gun was 6,000 meters, but the practical anti-tank effective distance dropped to 500 to 1,000 meters.
The original cannon was modified, removing the wheels and tail. It was mounted on a system taken from the traverse system of damaged or destroyed Italian tanks, of which the workshops were full. The elevation was limited from 0° to +20°, while the traverse was a full 360°.
Operational Service
The first batch consisted of 24 Morris trucks armed with the Italian 65/17 field gun. These were presented for the first time on August 8th, 1941, by Italian Royal Army General Gastone Gambara, the commander of the Corpo d’Armata di Manovra (English: Mobile Army Corp) during a meeting with other generals in Cyrenaica. There, he said they had 24 all-terrain anti-tank vehicles based on captured trucks under construction and that they would be ready shortly.
The first batch went to equip the Italian Raggruppamento Esplorante or RE (English: Exploration Grouping) of the Corpo d’Armata di Manovra. The first two armed Morris trucks were ready on September 8th, 1941, while the first Batteria Volante was ready on September 22nd of the same year.
During the last days of September 1941, the Batteries equipped with armed Morris CS8 trucks participated in the battles of the African Campaign. These proved to be useful, so the Italian Royal Army immediately began to modify other British vehicles, equipping its batteries with a total of 71 captured vehicles and managing to create a total of 16 Batterie Volanti equipped with Autocannoni armed with anti-tank, anti-aircraft, or field guns based on Italian or captured trucks. Of these 16 Batterie Volanti, the Autocannone da 65/17 su Morris CS8 equipped seven.
The batteries equipped with this type of autocannoni were also often used in the anti-tank role, even if the Cannone da 65/17 Mod. 1913 was certainly not suitable for that role. However, they managed, on more than one occasion, to slow down or stop the attacks of British armored forces.
Another important role was intercepting and engaging the patrols of the Long Range Desert Groups (LRDGs) or the Special Air Service (SAS) that attacked Axis airfields and fuel and ammunition storage centers located at the rear of the Axis line, and the columns loaded with supplies going to the frontline.
After the Invasion of Egypt, the British reorganized and launched several surprise attacks in the rear of the Axis lines, trying to weaken the Italian Army. An attack force, presumably composed of the LRDG, perhaps supported by a small nucleus of armored vehicles, attacked the workshop of the 12° Autoraggruppamento AS on December 4th, 1941. This was one of the first clashes in which the Autocannoni da 65/17 participated.
A defense was organized which, thanks to the brave work of Umberto Galli Da Bino, the Italian NCO in charge of the workshop, was effective and was able to stop the enemy attack, capturing some enemy vehicles and losing a few men. The NCO was later awarded the Gold Medal for Military Valor for this action.
The 1ª to the 3ª Batteria Volante equipped the I° Gruppo (English: 1st Group), while the 4ª to the 6ª Batteria Volante equipped the lll° Gruppo. On May 24th, 1942, all six Batteries were renamed Batterie Autocannoni and the two groups were renamed XIV° Gruppo and XV° Gruppo, respectively. The last battery created was the 11ª Batteria Volante Indipendente (English: 11th Independent Flying Battery).
In 1941, the equipment provided to each battery consisted of four Autocannoni da 65/17 su Morris CS8 with 36 rounds on board and two ammunition carriers, often modified Morris CS8, with 250 rounds each. Other batteries were equipped with three Autocannoni da 65/17 su Morris CS8 and two anti-aircraft vehicles, 20/65 su Ford 15 CWT, or Chevrolet 15 CWT trucks.
During the campaign, some batteries were equipped with three 65/17 su Morris CS8 and two captured Ford F15 truck armed with the Breda 20/65 Mod. 1935 anti-aircraft gun or with another 16 Morris CS8 trucks that were modified by the Italians and armed with a 20/65 Breda Mod. 1935, used to defend the autocannoni batteries from air attacks.
In November 1941, a friendly fire incident destroyed half of the autocannoni su Morris CS8 of a Batterie Volante and an entire battery, 4 vehicles, of Autocannoni da 100/17 on Lancia 3Ro. A German Junker Ju. 87 ‘Stuka’ ground attack aircraft hit the vehicles, mistaking them for British trucks, despite the flags of the Kingdom of Italy painted on the fenders and attached to the hoods of the vehicles. This killed 6 crew members and the lieutenant colonel of the battlegroup.
On March 23rd, 1942, the XIV° Gruppo was completely destroyed by the British during an aerial bombardment against their positions. Between March 24th and 25th, British troops also hit their positions with artillery fire. The few surviving vehicles of the XIV° Gruppo fought against the 8th Army and almost all surviving personnel of the group were taken prisoners.
During the following weeks, the XIV° Gruppo was rebuilt from the III° Gruppo Corazzato ‘Nizza’ (English: 3rd Armored Group), equipped with AB41 armored cars and four Autocannoni da 65/17 su FIAT 634N, based on an Italian heavy duty truck.
In the spring 1942, the first Autocannoni da 90/53, developed and produced in Italy for the African Campaign, arrived. These armed trucks did not have great mobility, but their 90 mm cannons were really powerful. As a consequence, in June 1942 the production of new autocannoni da 65/17 was stopped.
Because of the losses, the Autocannoni da 65/17 Batteries were reorganized into: command unit, 3 batteries with 12 autocannoni da 65/17 in total, four autocannoni da 20/65 su Ford, Chevrolet or Morris CS8 chassis, a staff car, 4 armored trucks, 10 light trucks, 13 motorcycles, 4 machine guns, four 20 mm wheeled anti-aircraft guns and two RF2 radio station with a staff of 13 officers, 7 NCOs, 137 artillery crew, and 56 drivers.
The three renamed batteries were assigned from January 1943 to the 136º Reggimento Artiglieria (English: 136th Artillery Regiment) of the 136ª Divisione Corazzata ‘Giovani Fascisti’ (English: 136th Armored Division) and remained in the division for the rest of the African Campaign, fighting with tenacity during the battles in Tunisia.
The first battle in which the Autocannoni da 65/17 participated under the insignia of the ‘Giovani Fascisti’ division was the Battle of Médenine on March 6th, 1943. There, they supported the failed offensive of the Axis that led to the loss of 52 tanks.
During the Battle of the Mareth Line, March 16th to 31st, and the Battle of Wadi Akarit (in Italian called Uadi) on April 6th to 7th, 1943, the Axis units were supported by the autocannoni. However, their use in anti-tank actions was almost completely fruitless because the Allies were armed with modern tanks with thicker armor than the tanks used at the beginning of the campaign.
The last autocannoni were still used between April 19th and 30th, during the First Battle of Enfidaville (now the Tunisian city of Enfidha) and in the Second Battle of Enfidaville. During these, the last forces of the 136ª Divisione Corazzata ‘Giovani Fascisti’ fought even after the declaration of surrender of the Axis forces in the region.
Conclusion
The autocannoni da 65/17 were very effective in the African Campaign, where their timely intervention succeeded on more than one occasion in turning the fortunes of some battles. However, like any military vehicle, they were not free from flaws.
They were unarmored and vulnerable to enemy small arms fire and lacked protection for the crew, who were vulnerable to shrapnel and small bullets. The crew was then exposed to sunlight and sandstorms and the cargo bay, although widened, was narrow, making it difficult for the three gun crew to work around the gun.
In order to protect themselves from enemy infantry attacks, the crew was forced to transport their personal weapons and ammunition for them, but there were no gun racks available on the cargo bay.
Autocannone da 65/17 su Morris CS8 specifications
Dimensions (L-W-H)
4.69 – 4.74 x 1.98 x 1.98 m
Total weight, battle-ready
2.846 tonnes
Crew
4 (vehicle commander, driver, gunner and loader)
Propulsion
6 cylinder, 3.5 l, gasoline
Speed
65 km/h
Range
600 km or 1325 km (with additional jerry cans)
Armament
cannone d’accompagnamento 65/17 Mod. 1908/1913 and a Breda Mod. 38 machine-gun
Armor
//
Total production
24 65/17 su Morris CS8 and around 30 others in the other variants.
Sources
I corazzati di circostanza italiani – Nico Sgarlato
Kingdom of Italy (1942-1945)
Armored Personnel Carrier – 110+ Built
The FIAT 665NM Protetto (English: Protected) was an Italian Second World War Armored Personnel Carrier (APC) developed on the 4×4 FIAT 665NM chassis. A total of 110 were produced before the Armistice on 8th September 1943 and were used by the Italian Regio Esercito (English: Royal Army). Some were then captured by the Germans, who reused the majority of those vehicles.
The Esercito Nazionale Repubblicano (English: National Republican Army) had a few vehicles too, which were mainly used in anti-partisan operations, with great success.
Special thanks to Marko Pantelić and Daniele Notaro, who helped with information on the service of the vehicle in the Balkans and units that operated it.
Context
The Regio Esercito entered the Second World War without armored personnel carriers, which were desperately needed. In the vast deserts of North Africa, Italian troops were transported on trucks that could not follow the troops into the battlefields because of their vulnerability.
In order to solve the lack of APCs, the Italian troops in the various war theaters, Yugoslavia, North Africa, and East Africa, created a few improvised solutions.
The Italian occupation forces in Yugoslavia were often widely distributed across many smaller garrisons, with the purpose of protecting them against any possible Partisan attacks and to keep the cities out of Partisan hands. This worked in theory, but in practice, it made them easy targets for the Yugoslavian Partisans. They would simply surround and then eliminate these small Italian garrisons, which lacked the means to properly fight back. In order to respond to these major issues, in 1941, the Italians began developing a series of new armored vehicles. However, in order to respond faster to the threat, the Italian occupation force in Yugoslavia started to produce many improvised armored trucks on civilian or military trucks.
In East Africa, the Italians had a total of 5,300 civilian and military trucks, of which 96 were fully or partially armored to fight the British troops and Ethiopian partisans.
In North Africa, where the necessity for specialized vehicles was greater, improvised APCs were few in number, as priority was given to Autocannoni, trucks armed with cannons used for infantry support. Despite this, some FIAT 626 trucks were armored with lightweight steel plates.
The development of this armored personnel carrier, initially called Autocarro Scudato (English: Shielded Truck) and then Autocarro da Trasporto a 4 Ruote Motrici (English: 4 wheel drive transport truck), began in mid-1942 by the Arsenale Regio Esercito di Torino (English: Royal Army Arsenal of Turin) in collaboration with FIAT Veicoli Industriali (English: FIAT Industrial Vehicle), which provided the trucks and some suggestion to the arsenal, and the Centro Studi della Motorizzazione (English: Centre for Motorisation Studies).
The Arsenale Regio Esercito di Torino, which had around 1,377 workers, mostly produced artillery pieces and armored plates during the Second World War, but also armored some vehicles, especially after the Armistice, in a semi-improvised manner. After the war, the arsenal refurbished dozens of armored vehicles that had survived the war in order to be put back in service with the new Italian armored forces.
Production and Name
The FIAT 665NM Protetto was accepted into service without testing because one of its developers was the Centro Studi della Motorizzazione. They were responsible for testing vehicles and then deciding whether to produce or reject them. The exact day that production began is unclear.
The FIAT 665NM heavy duty truck was probably tested between October and November 1942 and was accepted into service along with the FIAT 665NM Protetto or Scudato armored personnel carrier version in early November 1942. On 24th November 1942, the first request for 300 FIAT 665NM Scudati APCs was made, while the exact number of FIAT 665NM trucks ordered is not certain. Unfortunately, four days later, on 28th November, the Arsenale Regio Esercito di Torino was hit by an Allied bombardment that heavily damaged the building, destroying some ready-to-deliver equipment, and slowing the production of armor plates produced in the arsenal. Despite this, the next day, on 29th November 1942, the General Staff of the Royal Italian Army received a dispatch from the FIAT Mirafiori plant in Turin in which it was asked to whom to deliver the 44 FIAT 665NM Protetti already produced and stored in the plant’s depot.
The FIAT Mirafiori plant was damaged on 20th November and 8th December 1942 by two Allied bombing raids with a total of 4,000 lbs (~2 tons) of bombs. These damaged or destroyed 110,000 m2 of the plant, damaged or destroyed vehicle production tool machineries, and set fire to the office building, where important documents relating to the production programs were lost.
The exact number of vehicles produced is not clear, but the majority of sources claim that 110 FIAT 665NM were produced, but this seems to be incorrect. The Italian Royal Army ordered 300 vehicles to be produced until 8th September 1943. According to a report compiled by the FIAT Mirafiori Plant Services Office, 110 FIAT 665NM Scudati were produced until 30th April 1943, four months before the Armistice.
During these four months, production did not cease, but rather resumed at full capacity. In March 1943, in fact, there was a drop in production due to strikes. The workers from FIAT Mirafiori plant not only participated, but were the first to strike and set an example for the dozens of other factories in Turin, Genoa, and Milan, resulting in a national strike. Other strikes took place on 27th and 28th July and 19th August 1943, but they only minimally slowed down the production of vehicles and tanks.
During these four months, there was no bombing of the factory, so it is logical to assume that several FIAT 665NM Scudati came off the assembly lines, supplementing the 110 units produced by April.
Therefore, it is plausible to assume that the number of vehicles produced was higher than 110, even if the Armistice and the destruction caused by Allied bombings on 8th November and 1st December 1943 probably destroyed the documents relating to the FIAT 665NM Scudati production. Because of the same problems, it is not clear if the production was restarted for the Germans or the Esercito Nazionale Repubblicano (English: National Republican Army), the new Italian Army formed in the Repubblica Sociale Italiana (English: Italian Social Republic), in October 1943.
The name of the vehicle creates more problems. Some sources mention it as FIAT 665NM ‘Protetto’ (English: Protected), others as FIAT 665NM ‘Blindato’ (English: Armored), and others as FIAT 665NM ‘Scudato’ (English: Shielded).
In Italian, these words are synonyms for an armored vehicle. Consequently, all three designations are correct. In this article, the ‘Protetto’ or ‘Scudato’ terms, which are the most common, will be used. This also avoids confusion with the Autoprotetto FIAT 666NM per la Regia Marina, developed before the armistice or with the FIAT 666N Blindato, which was an improvised armored car used by an RSI unit in Piacenza province.
Planned Replacement
The FIAT 665NM Scudato was not without flaws, notably its production. The majority of vehicles produced were standard FIAT 665NM fresh off the assembly line that were requisitioned by the workers and armored. This was a drawn out process which slowed down the production of the FIAT heavy duty trucks and of the armored personnel carrier, and the armor turned out to be too light, vulnerable to even small arms fire.
This led FIAT to develop a new vehicle with the same chassis and engine but with a new redesigned superstructure directly fixed to the chassis, and not on the truck’s bodywork.
The development of a new vehicle, the FIAT 665NM Blindato con Riparo Ruote, began in April 1943 but never materialized. It had a new well-inclined, rectangular-shaped superstructure with 8 mm thick armored plates that would have greatly increased the protection of the vehicle. Unfortunately, after the Armistice was signed, neither the Germans nor RSI were interested in pursuing with it.
Design
FIAT 666NM and FIAT 665NM
The FIAT 665NM was developed after March 1941 as the 4×4 variant of the FIAT 666NM (NM stands for Nafta Militare – Diesel Military) produced by Fabbrica Italiana Automobili Torino or FIAT (English: Italian Automobiles Factory, Turin).
The Kingdom of Italy was forced in 1937 to pass a law that outlined the main characteristics required for all civilian or military trucks that were produced. This was done for three main reasons:
Firstly, Italy was a rapidly growing nation with numerous companies producing dozens of different models of trucks, a standardization would have led companies to produce vehicles very similar to each other and with common parts, increasing the production capacity.
Secondly, there was also the problem of embargoes placed on Italy and the policy of autarky, or the aspiration of Italian leaders to be economically independent from foreign countries. Unified truck standards would certainly have helped to avoid wasting resources.
Thirdly, and probably the most important reason, was the unification of civilian and military truck standards, which meant that, in case of war, civilian trucks could be requisitioned for war needs.
With Regio Decreto (English: Royal Decree) N° 1809 of 14th July 1937, the so-called Autocarri Unificati (English: Unified Trucks) were born. For heavy trucks, the maximum weight was not to exceed 12,000 kg, of which at least 6,000 kg had to be of payload, with a minimum road speed of 45 km/h.
As for light trucks, the ground clearance was to be at least 200 mm, the maximum truck weight was to be 4,000 kg, and the payload 3,000 kg.
The FIAT 666N was a heavy duty truck. The civilian version was developed in 1938 under the Regio Decreto N° 1809 rules. Its prototype was ready at the end of 1938 and was presented to Benito Mussolini on 15th May 1939, on the occasion of the inauguration of the FIAT Mirafiori plant in Turin. This factory building covered 300,000 m2 on an area of over one million m2, with a total of 22,000 workers on several shifts. All 50,000 FIAT workers of Turin were present for Mirafiori’s inauguration. The AB40 prototypes were also presented then. The military version, the FIAT 666NM, was presented to the Centro Studi della Motorizzazione for evaluation on 19th September 1940.
It differed from the civilian version through the addition of acetylene headlights, a bulb horn, and manually operated turn signals on the sides of the windscreen. The first military order for 1,000 FIAT 666NM trucks was issued on 10th January 1941. Another 1,500 were ordered on 23rd July 1941, 1,000 on 5th March 1942, and 700 on 16th June 1943. In total, about 8,000 FIAT 666s left the assembly lines of the Mirafiori plant, including the post-war direct-injection 666N7 and FIAT 665NM versions.
The Italian Regia Aeronautica (English: Royal Air Force) ordered 796 trucks on 23rd October 1941. This truck was used on the Eastern Front, in North Africa, in Italy, and in the Balkans.
After the Armistice of 8th September 1943, between November 1943 and December 1944, 79 FIAT 666NM and 2 FIAT 665NM were delivered to the Wehrmacht.
The FIAT 666 was produced in a wide range of variants, such as standard truck and fuel carrier for civilian service, while for military service, recovery trucks, fuel and water carriers, mobile workshops, petrol engine variants, and many others were produced.
Engine and Suspension
Propulsion was provided by FIAT Tipo 366 6-cylinder in-line diesel engine. It had overhead valves, with a displacement of 9,365 cm³ and FIAT-produced injectors. The maximum output power was 110 hp at 2,000 rpm on the civil FIAT 666N, the FIAT 666NM for the Regia Aeronautica, and on the FIAT 665NM. The maximum output power on the Regio Esercito’s FIAT 666NM was limited to delivering 95 hp at 1,700 rpm. The Ricardo type direct-injection chamber created lots of problems in the cold Russian steppes, which forced the crews to fix the diesel fuel with gasoline in order to allow the engine to start.
The maximum speed on-road was 57 km/h for the FIAT 665NM, 48.3 km/h for the power-limited FIAT 666NM, and 56.8 km/h for the FIAT 666N and FIAT 666NM. The fuel was kept in a 255 liter tank (135 liters for the FIAT 666N) located on the right side of the chassis, which offered a 750 km on-road range (465 km for the FIAT 666N).
A FIAT 6-75-2510 diaphragm pump then pumped the fuel into a 5.5-liter tank located behind the cab’s dashboard. This ensured trouble-free feeding thanks to a gravity injection pump. The lubricant oil tank had a capacity of 12 liters, while the water-cooling tank had a capacity of 50 liters.
Air was drawn through two filters mounted at the back of the engine. Up until engine number 000530, they used cartridge filters, after which it was replaced with oil bath filters.
As on the FIAT 626 medium truck, the engine could be extracted through the cab’s front after the removal of the grille thanks to rollers mounted on the two supports of the engine, rolling on guides fixed to the frame.
Brakes and Electric Systems
The single dry plate clutch was connected to the gearbox via a cardan shaft. This could be removed independently of the gearbox and engine simply by removing the rear casing. This meant that maintenance and disassembly were easier.
The transmission, thanks to the reductor, had eight gears and two reverse gears. The drum brakes were hydraulic and had a pedal-operated air brake booster. The compressed air tank with a capacity of 55 liters and was located on the left of the frame. It had a pressure of 5.5 bar. On the NM version, the rear axle was equipped with a differential.
There was a 12-volt electrical circuit used to power the headlights and dashboard, and a 24-volt circuit for starting the engine. The two 12V Magneti Marelli batteries were housed in a box on the left side of the chassis, behind the air tank.
Structure
The cargo bay measured 4.75 meters long by 2.20 meters wide, with a height of 600 mm on the civilian version and 650 mm on the military version. It was homologated to carry up to 6 tonnes of cargo, but could carry, without much difficulty, an L6/40 light tank (weighing 6.84 tonnes).
The cab had the steering wheel and the driver on the right, while the vehicle’s commander was placed on the left. The cab’s doors opened backwards. Due to the slow production rates, some early FIAT 666NMs were equipped with civilian FIAT 666N cabs.
In spite of its respectable dimensions and its large load capacity, the FIAT 666 heavy duty truck, with a chassis weight of 1 tonne and about 5 tonnes of additional structure weight, for a total weight of 6 tonnes in the FIAT 666NM variant and 7.2 tonnes in the FIAT 665NM version, could travel at more than 56 km/h with a 12 tonne trailer attached. Fully loaded, it could climb 26º slopes. Thanks to its short wheelbase and cab layout, it was comfortable traveling on mountain roads.
The FIAT 666NM had a wheel rim size of 20 x 8” (50.8 x 20.32 cm), while the FIAT 665NM wheels had a rim size of 24 x 9” (61 x 23 cm). This allowed the latter to mount 11.25 x 24” (28.5 cm x 61 cm) tires, the same as the armored cars and camionette of the Regio Esercito, in order to offer smoother cross-country driving. Like the armored cars and Camionette, it could use a wide variety of tires, such as the Tipo ‘Libia’ and Tipo ‘Sigillo Verde’, which, because of their wide profile, afforded flotation on loose sandy soils, Tipo ‘Artiglio’ and Tipo ‘Artiglio a Sezione Maggiorata’ for continental soils and Russian steppes, roughly equivalent to the Non-Directional Tread (NDT) tires used by the US Army, and Tipo ‘Raiflex’ for sandy grounds and produced with Rayon (Raion in Italian) synthetic fibers (RAI-flex for Raion), all developed and produced by the Pirelli company in Milan.
Strangely enough, most of the images of the FIAT 665NM Scudati show that most of the vehicles were equipped with Pirelli Tipo ‘Libia’ tires, a very strange decision if we consider that none of the vehicles were used in Africa, but only in northern Italy and the Balkans.
The FIAT 665NM Protetto Modifications
The vehicles were produced by the FIAT Veicoli Industriali section in the FIAT Mirafiori plant in Turin. They were then armored by the Tank Production section with armored plates produced by the Arsenale Regio Esercito di Torino and also some FIAT owned steel mills and foundries in Turin.
The FIAT 665NM was fully armored to protect the crew and the personnel placed in the rear. The cab was armored with 7.5 mm thick armored plates in the front, placed 3 cm in front of the original cab that was left intact under the armor, and 5 mm thick on the cab’s side. The roof was not armored and some vehicles had the original cab removed. This meant that the crew could also enter through the rear and that the vehicle had no roof.
The original doors were kept under the armor and had two hatches each to permit the two crew members to check the battlefield and to defend themselves from enemy attacks with their personal weapons.
To view the front arch of the vehicle in order to drive and give orders, the driver and the vehicle’s commander had at their disposal two frontal upward-hinged hatches. Two tiltable armored doors were at the front, used to improve airflow to the radiator cooling and for maintenance of the engine.
The cargo bay was partially armored. The first vehicles built had the 65 cm high cargo bay sides and the roof unarmored, but the production line was modified to add armor plates on the sides.
The side armor plates were 4.5 mm thick, but the upper part was angled, while the lower part also had the wooden planks of the cargo bay’s sides to reinforce it. There were eight loopholes for each side of the personnel compartment, plus another three on the rear, for a total of 19 loopholes that gave the vehicle great firepower coverage. The fuel tank of the vehicle was also armored to protect it.
To enter into the personnel compartment, there was a removable ladder on the rear, which was not a great solution to quickly enter and exit from an armored personnel carrier on a battlefield. The twenty fully equipped soldiers could sit on two wooden benches placed on the sides of the compartment. Under the benches, there was enough space to store personal stuff, tools, a machine gun, and probably some ammunition crates and fuel cans.
Armament
The serial production vehicle was not equipped with gun supports but had 19 loopholes in the personnel compartment and more openings in the armored cab. On the prototype, a Mitragliatrice Media Breda Modello 1937 or Modello 1938 (English: Breda Medium Machine Gun Model 1937 and 1938) support was added to the cab roof.
In the rear compartment, there was space for 20 soldiers, but this meant that one did not have a loophole to use. This could have meant that the twentieth soldier was an officer who only gave orders, or that the twentieth soldier had the task of operating the Breda Mod. 30 light machine gun that was carried on board. Given the absence of a mount for the gun, the soldier had to fire by resting the Breda’s bipod on the roof of the cabin or on the sides of the personnel compartment.
Italian units were largely equipped with rifles and carbines, so only rarely could MAB 38 submachine guns be employed from this vehicle. There could also be more than one Fucile Mitragliatore Breda Modello 1930 light machine gun.
At least two vehicles of the Compagnia Comando Reggimentale ‘Mazza di Ferro’ (English: Regimental Command Company) of the 2° Reggimento Milizia Difesa Territoriale ‘Istria’ (English: 2nd Territorial Defense Militia Regiment) were equipped with an internal structure behind the cab to mount an improvised open-top octagonal turret produced by the unit to increase the vehicle’s fire and to protect the machine gunner.
In the few photos of those vehicles, it is clearly visible that the armor plates were scrap rusty metal recovered by the unit from an unknown location. The machine guns were probably Mitragliatrici Medie Breda Modello 1938.
The XIV Battaglione Difesa Costiera (English: 14th Coastal Defense Battalion) armed a FIAT 665NM Scudato with a 8 mm machine gun in a cylindrical open-topped turret, while the Reggimento Volontari Friulani ‘Tagliamento’ (English: Friulian Volunteer Regiment) armed the only vehicle it had with an 8 mm machine gun without armor. It was probably a 8 x 59 mm RB caliber FIAT-Revelli Modello 1914/1935 medium machine gun.
Operational Use
The first FIAT 665NM Scudati were assigned to the 154ª Divisione di Fanteria d’Occupazione ‘Murge’ (English: 154th Occupation Infantry Division) and to the 13ª Divisione di Fanteria ‘Re’ (English: 13th Infantry Division). Unfortunately, nothing is known about the service of the FIATs in these units.
At the beginning of 1943, the 154ª Divisione di Fanteria d’Occupazione ‘Murge’ participated in the Battle of the Neretva, probably with some of these armored trucks.
In general, the FIAT 665NM Scudati were used by the units to escort supply convoys to its isolated garrisons in Mostar, Jablanica, Konjic, Cacko, and Nevesinje in Herzegovina.
After the Battle of the Neretva, Murge’s vehicles took part in patrols, raids, and clashes in the anti-partisan struggle in the region of Lika. It was then transferred to Trebinje in May 1943, with the role of coastal defense. It remained there until September 1943, when the Armistice of Cassibile took place. On 8th September, it was located between Signo and Buccari in Slovenia and managed to reach the city of Fiume on 14th September 1943. There, the 154ª Divisione di Fanteria d’Occupazione ‘Murge’ disbanded. The vehicles at its disposal were abandoned for various reasons, partly in Signo and Buccari and partly in Rijeka, where they were captured by the Yugoslav Partisans and the Germans.
In late 1942, the 13ª Divisione di Fanteria ‘Re’ was used to garrison Gospic, Otocac, and Bihac in Croatia. Increasingly, the unit had to repel Partisan attacks that became more violent as the war intensified.
Its garrisons often remained isolated and the armored trucks were used to support the troops breaking through the Partisan roadblocks to reach the units that remained isolated.
In 1943, the 13ª Divisione di Fanteria ‘Re’ fought hard in Dalmatia, first in Korenica and Kapela in January, then in Lapac, Jelovi, and Pavlovacka in February and March. It then continued to supply the isolated garrisons and conduct anti-partisan patrols in the same region until late August 1943, when it was repatriated to Italy, arriving in Ladispoli, near Rome.
With the announcement of the Armistice, the Division Command was disbanded and the division was left without orders. Many soldiers escaped, joining the Allied troops or returning home. The few remaining took part in the defense of Rome until 10th September. Those who survived were captured or joined the Italian Partisans. It is not known what happened to its FIAT 665NM Scudati. It is possible not all of them had arrived in Rome, perhaps even none, being captured in Dalmatia by the Germans while they were waiting to return to Italy.
At least two FIAT 665NM Protetti were taken by the 2° Reggimento Milizia Difesa Territoriale ‘Istria’, which was created shortly after the Armistice with veterans of the 60ª Legione Milizia Volontaria per la Sicurezza Nazionale ‘Istria’. The unit was composed of two companies and the Compagnia Comando Reggimentale ‘Mazza di Ferro’, plus six companies for territorial security. It was stationed in Pola on the Istria peninsula, present day Croatia.
The unit had in its ranks 2 L3 light tanks and, as claimed by some sources, 6 armored trucks. These were 2 FIAT 665NM Protetti, a Lancia 3Ro Blindato, and a curious vehicle, a FIAT 626 with the armored cab of a FIAT 665NM Protetto, while the other two armored cars are unknown. Some of these vehicles were armed with twin 13.5 mm Breda Modello 1931 heavy machine guns and at least one with a Cannone-Mitragliera Breda da 20/65 Modello 1935 taken from the Arsenale della Marina (English: Navy Arsenal) in Pola.
The hybrid FIAT 626NM chassis and FIAT 665NM Scudato armored cab was already in service on 12th November 1943 in the Compagnia ‘Mazza di Ferro’. This suggests that it was modified before the Armistice by a unit of the Royal Army.
In the Istria regions, Tito’s Partisans were present in large numbers and very active, attacking isolated Italian or German garrisons and conducting ambushes against weekly convoys loaded with supplies.
The Compagnia ‘Mazza di Ferro’ used its armored and armed trucks to escort the supply convoys, which the Partisans soon learned to avoid. The columns of vehicles were sometimes joined by vehicles of other Italian or German units, and even civilian cars or trucks, given the security that the armored vehicles of the regiment offered.
Even the SS- und Polizeiführer Oberabschnitt Alpenland (English: SS and Police Leader in the Upper Alpine Region) in the Operationszone Adriatisches Küstenland or OZAK (English: Operational Zone of the Adriatic Littoral), Erwin Rösener, often requested that the armored trucks of the regiment escorted him together with his German vehicles for greater safety. Nothing is known about the final fate of these vehicles.
Three FIAT 665NM Scudato were used by the Gruppo Squadroni Corazzato ‘San Giusto’ (English: Armored Squadrons Group), together with two S37 Autoprotetti and at least a Renault ADR Blindato. The Gruppo was created in Spalato by Captain Agostino Tonegutti, the former commander of the 1° Squadrone carri L (English: 1st Tank Squadron L) of the 1ª Divisione Celere ‘Eugenio di Savoia’ (English: 1st Celere Division), stationed in Spalato, in September 1943, after the Armistice. Refusing to abide by the terms of the Armistice with the Allied forces, Toneguzzi began to move towards the northern part of Istria with other soldiers loyal to Mussolini and 11 tanks. In Fiume, the unit supported the local Italian garrison, moving then to Gorizia and finally moving to Mariano del Friuli.
In Mariano, several armored vehicles were recovered and refitted, until reaching such a strength that the Squadron became Gruppo Squadroni Corazzati ‘San Giusto’ with three squadrons in early 1944. It was also known under the German designation Italienische Panzer Schwadron “Tonegutti” (English: Italian Panzer Squadron).
Two FIAT 665NM Scudati were lost during one of the heaviest fighting the group saw, against the Yugoslavian Partisans in Dobraule di Santa Croce on 31st May 1944. During this fight, 3 Italian soldiers perished and another 3 armored vehicles were lost.
The last FIAT 665NM Protetto armored personnel carrier of the unit was lost on 6th December 1944, during a Yugoslav Partisan attack.
The Reggimento Volontari Friulani ‘Tagliamento’ had a FIAT 665NM Protetto in its Command Company. This arrived in December 1943, probably requisitioned from the Autocentro di Udine (English: Udine’s Car Center), where it was probably in storage. It was initially used to defend the Tarcento garrison and, after May 1944, used for anti-partisan patrols and to escort convoys in the Vipacco and Isonzo valleys.
This vehicle was attacked by partisans more than once, trying to destroy it without success. During one such attack, on 26th August 1944, Tito’s Partisans used at least one anti-tank rifle at short range against it, probably a Soviet PTRS-41 or PTRD-41. Chambered for the 14.5 x 114 mm cartridge, this anti-tank rifle, obsolete against tanks, was still able to penetrate more than 30 mm of armored plate at 90° at a distance of 500 meters, easily piercing the FIAT 665NM Scudato’s armor from side to side. The vehicle was penetrated in several places, killing all the soldiers inside except for two. It was abandoned on the road and then set on fire by the Slovenian Partisans.
One vehicle was used by the XIV Battaglione Difesa Costiera now known with German designation: Italienisches Küsten-Festung-Bataillon 14. (English: 14th Italian Coast Fortress Battalion) in Rijeka. This was an Italian unit under German Wehrmacht and then SS-Polizei command, which defended the city from Partisan attacks. It received a FIAT 665NM Scudato with an 8 mm medium machine gun in early 1945 (probably February). It was used until the war’s end to escort convoys.
The last known vehicle delivered to the XIV Battaglione Difesa Costiera was another FIAT 665NM Scudato in January or February 1945. Like the other vehicles used by the Esercito Nazionale Repubblicano, it escorted columns of supplies and patrolled the main roads to deter partisan attacks.
The Germans managed to capture the majority of the FIAT 665NM Scudati after the 8th September 1943 Armistice, renaming them Beute Gepanzerte Mannschaftstransportwagen 665(i) (English: Captured Armored Personnel Carrier 665 – Italian).
The 1. Infanterie-Regiment of the Polizei-Regiment “Bozen” received some of these trucks, while other German units requisitioned or received some. Some were given to Luftwaffe units that used the vehicles for escorting fuel trucks and airport perimeter patrols.
During a Yugoslav Partisan ambush against an Italo-German convoy between Comeno and Rifembergo (today Komen and Branik, Slovenia) on 2nd February 1944, a FIAT 665NM Scudato armored personnel carrier was destroyed and set on fire. Two German police officers, 20 German policemen, and 38 Italian soldiers belonging to the Milizia were killed. The origin of this armored truck is not sure. It could have belonged to the Italian Militia’s Compagnia ‘Mazza di Ferro’ or Polizei-Regiment “Bozen”.
The 1. Infanterie-Regiment of the Polizei-Regiment “Bozen” had in its ranks at least an AB41 reconnaissance armored car, a Lancia 1ZM First World War-era armored car, one Carro Armato L3/33 or Carro Armato L3/35 light tank, an improvised armored truck and some FIAT 665NM Scudati.
One of the FIAT 665NM Scudato of the 1. Infanterie-Regiment of the Polizei-Regiment “Bozen” was equipped with an armored roof to protect it from hand grenades and to protect the front machine gunner. The gunner had a hole through which he could fire.
The workshop or depot where it was modified is unknown, but it is very likely it was one in Italy, since the photo was taken between February and March at a checkpoint in Castelnovo del Friuli in the northeast of Italy.
Other interesting modifications were made on a FIAT 665NM Scudato in German hands. A 2 cm FlaK 38 automatic anti-aircraft cannon was mounted on the top of the personnel compartment to provide heavy support fire and to discourage even the bravest Partisan units from attacking the supply columns.
There are only three photos of this vehicle that do not show exactly how the cannon was mounted in the personnel compartment, although it can be assumed it was mounted on an internal support. The photos were auctioned online a few years ago and no other information is given about the German unit that used it or the period.
The vehicle was also armed with a medium machine gun, probably of Italian origin, with a shield. In two photos, an Italian cavalryman armed with a MAB38 is clearly visible. Maybe the Germans kept an Italian driver or the vehicle belonged to a mixed unit in which Italian units were also present. The license plate is not visible in the photos, making it impossible to identify the unit. The FIAT had Pirelli Tipo ‘Libia’ tires.
Another vehicle, probably of the Polizei-Regiment “Bozen”, was equipped with rods, probably recovered from a destroyed FIAT 666NM, for the water-proof tarpaulin mounted on the non-armored version of the FIAT 665NM. This tarpaulin probably had a double function, protecting the personnel compartment from the rain and from hand grenades.
Some FIAT 665NM Scudato were captured and used by the Yugoslavian Partisans, but their service is unknown. None survived the war.
The camouflage scheme was the standard Kaki Sahariano (English: Saharan Khaki) for the Regio Esercito. The FIAT Mirafiori plant in Turin already painted them in that scheme before delivery.
Some FIAT 665NM Protetti captured by the Germans were maintained in the original camouflage scheme, while others were painted in a two tone scheme with some dark green stripes.
The Compagnia Comando Reggimentale ‘Mazza di Ferro’ vehicles were painted in two ways. One received an interesting three-tone camouflage scheme with polygonal dark green and reddish-brown spots, while the second received a normal three-tone camouflage scheme with standard spots in the same colors.
The Gruppo Squadroni Corazzati ‘San Giusto’ vehicles received a curious ‘tree’ camouflage. Some trees were airbrushed on the Saharan Khaki in order to better camouflage them in the Balkans woods.
Conclusion
The FIAT 665NM was one of the largest and most spacious armored personnel carriers of the Second World War. Unfortunately, its light armor and production of fewer than 200 vehicles did not allow for adequate employment.
It was developed as an armored personnel carrier but was used most of the time as a vehicle for patrolling roads and escorting supply convoys, roles for which it was not designed. However, it was able to perform these without too many problems, especially since the adversaries were hardly ever armed with anti-tank weapons. It should have been replaced by the FIAT 665NM Blindato con Riparo Ruote but the Armistice canceled the project leaving the FIAT 665NM Scudato as the only Italian heavy APC.
FIAT 665NM Scudato Specifications
Size (L-W-H)
7.345 x 2.67 x 2.73 m
Total weight, battle ready
11 tonnes
Crew
2 (driver and commander) + 20 soldiers
Propulsion
FIAT Tipo 366 9,365 cm³, 110 hp with 255 liter tank
Speed
57 km/h
Range
~ 700 km
Armament
One machine gun
Armor
Cab: 7.5 mm front and 5 mm sides. Crew compartment: 4.5 mm
Italian Social Republic (1944-1945)
Self-Propelled Anti-Aircraft Gun – At Least 2 Converted
The Autocannone da 20/70 su ALFA Romeo 430RE was an Italian Second World War improvised Self-Propelled Anti-Aircraft Gun (SPAAG) mounting a 20 mm automatic cannon on the ALFA Romeo 430RE chassis. It was used by the Legione Autonoma Mobile ‘Ettore Muti’ (English: Mobile Autonomous Legion) of the Guardia Nazionale Repubblicana (English: Republican National Guard) in Lombardia and Piemonte near the end of the war.
Its primary task was to escort fascist military convoys between Milan and Turin, defending them from Allied air attacks, and also protecting the convoys from partisan ambushes at a time when they were becoming increasingly frequent.
The Situation of the Repubblica Sociale Italiana after the Armistice
After the Italian Armistice was signed on 8th September 1943, the Italian Regio Esercito (English: Royal Army) was disbanded. The Italian soldiers in the Italian Peninsula independently decided their own fate. Some joined the Esercito Cobelligerante Italiano (English: Co-belligerent Army) under Allied control, others created and joined the first Italian partisan units, while others swore allegiance to the Germans. The soldiers who opposed the German troops in Italy or in the rest of the territories under Italian and German control were killed or captured. Between 8th and 23rd September 1943, about 20,000 Italian troops were killed and over a million Italian soldiers were captured by the Germans.
A coup organized by the Italian king Vittorio Emanuele III di Savoia and some generals loyal to the king had deposed Il Duce Benito Mussolini on 25th June 1943. Mussolini had spent the period of time between his arrest and the Armistice in an Italian prison. On 12th September 1943, he was freed in a daring mission by a group of German Fallschirmjäger commanded by SS-Obersturmbannführer Otto Skorzeny.
Benito Mussolini was then taken to Germany, where he met Adolf Hitler in order to decide the destiny of the rest of Italy and also to recover from his prison experience. Returning to Italy on 23rd September 1943, he created the Repubblica Sociale Italiana or RSI (English: Italian Social Republic) in northern and central Italy, regions that were controlled by the Germans at that moment.
Of the thousands of Italian vehicles captured by the Germans (tanks, armored cars, supply vehicles, artillery pieces, etc), only a few were returned to the new Italian units loyal to Mussolini. This meant that the units needed to equip themselves with vehicles abandoned by the Regio Esercito after the Armistice, with vehicles damaged before the Armistice and abandoned in the military depots after 8th September, or with civilian trucks requisitioned for military necessities.
The Esercito Nazionale Repubblicano, the heir of the Regio Esercito, received the majority of these vehicles, but there were not enough. The Army seems to have received or retrieved less than the 20% of the vehicles it needed.
The Guardia Nazionale Repubblicana, or GNR, was used as a Military Police and to counter partisan actions, with most of its units assigned to the rearguard. It was equipped with an even lower amount of vehicles, although some units were able to equip themselves with many armored fighting vehicles and trucks, such as the Gruppo Corazzato ‘Leonessa’ (English: Armored Group), which managed to acquire around 60 tanks of multiple types, around 20 armored cars and more than a hundred of trucks, cars, and motorcycles.
The Corpo Ausiliario delle Squadre d’Azione delle Camicie Nere (English: Auxiliary Corps of the Action Squads of the Black Shirts), an auxiliary corps used mostly to counter partisan actions, was barely equipped at all. Of the 56 Black Brigades created, only two received armored vehicles, while the other brigades had only civilian or military trucks which the Black Brigades had to armor in an improvised way in civilian workshops.
The majority of the Repubblica Sociale Italiana’s units were only equipped with military or civil trucks that they used as transport vehicles or that they armored themselves or in civilian workshops.
The RSI faced the problem of the Italian partisan units that were present throughout the territory under Nazi-Fascist control and that almost daily struck military convoys or isolated Italian or German garrisons. The RSI also had to face another major threat, the fighters and ground attack aircraft of the U.S. Army Air Force and the British Royal Air Force. These acted almost undisturbed, attacking Italian convoys and other military and civilian targets.
Design
The ALFA Romeo 430 truck
The company now known as Alfa Romeo was founded under the name A.L.F.A. (Anonima Lombarda Fabbrica Automobili, English: Anonymous Lombardy Automobile Factory) in Milan on 24th June 1910 . In 1918, it changed its name to ‘ALFA Romeo’ following the acquisition of the company by Engineer Nicola Romeo. The first and largest plant of ALFA Romeo was in Milan, in the ‘Portello’ district, from which it took its name.
The ALFA Romeo 430 (factory designation T.430) was a cab-forward 3.5 tonnes medium-duty truck originally developed for the military. In order to speed up development and save money, it was derived from the Alfa Romeo 800 heavy truck. Its development was approved by the Italian War Ministry on 23rd September 1941.
In early 1942, ALFA Romeo presented the prototype of the T. 430RE (RE for Regio Esercito) to the Centro Studi della Motorizzazione or CSM (English: Center of Motorization Studies). However, it was powered by a 4-cylinder diesel engine developed to be connected to an electrical generator, while the military wanted a gasoline engine.
The first Regio Esercito order was for 400 units, which increased to 600 by the end of 1942. The Italian Regio Esercito insisted on the adoption of a gasoline engine, so the company manager, engineer Ugo Gobbato, ordered the development of a petrol version of the truck which never entered production.
After the armistice of September 1943, the Portello plant stopped the production for some days and the petrol engine version was abandoned. The Regio Esercito order was initially reconfirmed by the Germans. In early November 1943, Germans officers and specialists evaluated the truck and canceled the request.
Thanks to the tenacity of engineer Ugo Gobbato, ex-manager of the FIAT Lingotto plant, furious at this decision, production resumed. He sent a letter to the Reich Ministry of Armaments and Production to defend his project and, for an unknown reason, the Germans reversed their decision and the Portello plant restarted production, building a total of 99 ALFA Romeo 430RE with diesel engines between 1944 and 1945.
After the war, the ALFA Romeo 430 was also produced as a civilian version, with medium trucks, buses, and tractor variants. Production resumed in 1945 and continued for another five years, until 1950.
After the war, the military version was redesignated as ALFA Romeo CM50 (Carro Medio Modello 1950 – Medium Truck Model 1950). The engine was upgraded, increasing the power by about 10% and enlarging the cab, allowing the addition of a berth behind the seats. There was also an increase in the empty weight to 3.7 tonnes. The military version remained in production until 1952. A military all-wheel-drive version was also developed but did not meet with success and the project was abandoned.
Engine and Suspension
The engine of the Alfa Romeo 430 was the Tipo 430. This was a direct injection, 4-cylinder, 5,816 cm³ diesel engine providing 80 hp at 2,000 rpm. The maximum on-road speed of the truck was 65 km/h, while the range was 390 km thanks to the 75 liters tank fixed on the right side of the chassis. The water-cooling system was connected to a 26-liter water tank, while the oil tank capacity was 11 liters.
Fuel consumption was 19 liters for 100 km, remarkably low for the time, thanks to the FB company direct injection system and the use of a Spica PC4C80 T29/0 variable injection pump. The good qualities of the engine, however, hid flaws. The Tipo 430 was derived from a static engine used as a generator. On the truck, it proved inadequate to the rigors imposed by its new role.
The gearbox, with an intermediate reductor, had four forward gears plus the reverse gear.
The front suspension was independent. The main innovation was the adoption of double coil spring suspension and hydraulic shock absorbers. The T430 was the first truck to be equipped with this suspension system. The rear suspension consisted of easy-to-produce leaf springs. The tire dimensions were 7.5 x 20” (19 x 50.8 cm). Photographic evidence shows that the most frequently used on the T430 were the Pirelli Tipo ‘Raiflex’.
The big advantage of the Alfa Romeo 430RE was that it retained the bigger ALFA Romeo 800’s silhouette and they had a high logistic commonality, sharing many spare parts. The two vehicles were distinguishable primarily by the bumpers. The T430 had two-part ones, with the central section cut for the radiator grille, while the T800 had a one piece bumper.
Structure
Like the bigger ALFA Romeo 800 from which it was derived, the ALFA Romeo 430 was a medium truck with a forward cab and right-hand drive.
The RE version differed from the civilian one by the addition of acetylene headlights, a bulb horn, and lacking the triangular placard on the roof of the cab used in the civilian models to indicate the presence of a towing trailer.
The wooden loading bay was 4 m long, 2 m wide, and 0.65 m tall. Only the rear side was foldable and the chassis had a step to facilitate the climb. The T430, with an empty weight of 3.55 tonnes, was homologated to load a cargo of 3.15 tonnes. For the RE variant, it was not rare to see trucks with a load of more than 4 tonnes of cargo. Thanks to the tow hook, the truck could also tow a load not exceeding 6.5 tonnes.
Armament
The main armament of the autocannone was the Cannone-Mitragliera Scotti-Isotta-Fraschini 20/70 Modello 1939 20 mm L/70 anti-aircraft automatic cannon. It was mounted on a Complesso di Puntamento Libero (English: Independent Aiming Support) produced by Elettro Meccanica Societa Anonima or CEMSA (English: Caproni Electro Mechanical Limited Company) and better known as the Complesso di Puntamento Libero Scotti – CEMSA.
Developed in the late 1920s by Engineer Alfredo Scotti as an aeronautical gun, it was never used for this. In 1932, Scotti sold the patent, which was bought by the Swiss company Oerlikon. Scotti’s design was probably studied by engineer Marc Birkigt before developing the 20 mm Hispano-Suiza H.S. 404.
In 1935, the Regio Esercito made a request for a new multipurpose automatic cannon capable of engaging flying targets. At the same time, it had to be able to deal with light armored vehicles. Scotti and the Società Italiana Ernesto Breda per Costruzioni Meccaniche responded to the request with the Cannone Scotti da 20/70 and the Cannone Breda da 20/65 Mod. 1935. After tests, the Breda gun was chosen, while the Royal Army gave a negative review of Scotti’s gun.
In 1938, the Isotta-Fraschini company in Milan bought the patent of the gun and started to update the project. This was presented a year later as the Scotti-Isotta-Fraschini 20/70 Modello 1939. The new gun was bought by the Italian Regia Aeronautica (English: Royal Air Force) and Italian Regia Marina (English: Royal Navy), with a fixed mounting for airfield defense and as an anti-aircraft gun on some Italian warships.
When the war started, the Regio Esercito showed interest in the gun, mainly because Breda could not satisfy the army’s requests and because the Scotti-Isotta-Fraschini gun was less expensive and faster to produce. For the Regio Esercito, the Scotti-Isotta-Fraschini 20/70 Modello 1941 was produced with a wheeled carriage. It was also produced under license by the Officine Meccaniche company or OM (English: Mechanical Workshops), which was known as the Scotti-OM 20/70 Mod. 1941.
The gun was gas-operated and had a theoretical rate of fire of about 500 rounds per minute. However, this dropped to 250 rounds per minute in practice. Its maximum firing range was 5,500 meters against ground targets and 2,000 m against flying targets.
The gun fired the 20 x 138 mm B ‘Long Solothurn’ cartridge. This was the most common 20 mm round, used on 20 mm guns of the Axis forces in Europe, such as the German FlaK 38, Finnish Lahti L-39 anti-tank rifle, and Italian automatic cannons.
The gun was fed by eight 20 mm round feed strips or twelve 20 mm round feed strips loaded by a loader. A more practical 41-round drum magazine also existed. The Scotti-Isotta-Fraschini 20/70 on the CEMSA support was free to rotate 360°, with a maximum elevation of +90°.
Operational Use
The Legione Autonoma Mobile ‘Ettore Muti’ was created on 18th September 1943 as an action squad for anti-partisan duties. On 18th March 1944, it became a legion and was placed under the authority of the Italian Social Republic Ministry of the Interior. It was designated as an Armed Police Force. Questore Francesco Colombo, a fascist infamous for his extremist ideas, was put in charge of the unit.
The legion had in its ranks the 1º battaglione ‘Aldo Resega’ (English: 1st Battalion), 2º battaglione ‘Piero De Angeli’ (English: 2nd Battalion) and the Battaglione di riserva ‘Luigi Russo’ (English: Reserve Battalion). The names given to the battalions were the names of fascist militants killed by the partisans. Another important unit of the legion was the Compagnia Mezzi Pesanti ‘Pietro Del Buffa’ (English: Heavy Vehicles Company) created on 2nd July 1944. Pietro Del Buffa was a Sergeant of the 601ª Compagnia of the Guardia Nazionale Repubblicana killed on 28th December 1943 in Turin.
The unit assimilated the Compagnia Motorizzata (English: Motorized Company) and the Plotone Mezzi Pesanti (English: Heavy Vehicles Platoon) and was commanded by Lieutenant Bonacina.
The Compagnia Mezzi Pesanti ‘Pietro Del Buffa’ was composed of:
At least two Autocannoni da 20/70 su ALFA Romeo 430RE
An ALFA Romeo 430RE with a Cannone da 75/13 Modello 1915 on its loading bay
A SPA 38R towing a Cannone da 75/27 Mod. 1911
There were also three other companies created in February 1945 and subordinated to the ‘Pietro Del Buffa’, the Compagnia Mortai da 81 mm ‘Enrico Maggi’ (English: 81 mm Mortar Company), the Compagnia Mitragliatrici da 20 mm ‘Attilio Da Broi’ (English: 20 mm machine gun Company), and the Compagnia Artiglieria ‘Giuseppe Lucchesi’ (English: Artillery Company).
The Autocannoni da 20/70 su ALFA Romeo 430RE’s crew of seven consisted of a driver, sitting on the right side of the cabin, a vehicle/gun commander sitting on the left side, a gunner, two loaders, and two more soldiers.
In the loading bay, some ammunition wooden crates were placed behind the cab, immediately behind a wooden bench fixed to the floor, where two soldiers were seated. In the middle of the cargo bay was the CEMSA support for the Scotti-Isotta-Fraschini cannon, while on the rear was another wooden bench and more ammunition crates.
The company never operated independently, but in support of the infantry units of the ‘Muti’ Legion or of other Italian units operating in the region. On 14th August, part of the company’s armed vehicles was sent to Varzi, near Pavia in Lombardia, where they had to fight the local partisans together with the Compagnia Speciale ‘Baragiotta-Salines’, another Legione ‘Muti’ unit.
On that occasion, the fascist column was ambushed and immobilized by the partisans in the neighborhood of Pietra Gavina. Unable to continue the operation, the two companies returned back to Varzi. On that occasion, the ALFA trucks armed with 20 mm guns were probably used by the unit.
Another important task that the Compagnia Mezzi Pesanti ‘Pietro Del Buffa’ had to complete was escorting convoys that went from Milan to Turin, two of the most important cities for the Italian fascist faction, or vice versa via the A4 Highway, which was a very busy road. These were not only lorries full of soldiers, ammunition or fuel that passed through it every day, but also trucks loaded with spare parts and other material that kept both the war and civilian industries going.
These were also very easy targets for the fast Allied fighters and ground attack planes, which often machine-gunned convoys on the highway without even encountering anti-aircraft fire.
Vehicles, such as the ALFA Romeo 430RE, armed with high-elevation automatic cannons, were meant to provide effective defense against Allied air attacks. Unfortunately, the fate of these interesting anti-aircraft vehicles is unknown. They were probably destroyed or captured by the partisans during the insurrection in Milan in late April 1945.
The license plates of the vehicles are unknown and it is not known if they had the unit’s coat of arms painted, since the frames of a video of the Istituto Luce showing their appearance during a parade in Milan on 17th December 1944 are of very poor quality.
From what is visible, it is possible to deduce that the two ALFA Romeo 430RE were in the typical monochrome camouflage of the Regio Esercito, the Saharan Kaki. Another interesting detail is the triangular placard on the roof of the cab, which was mounted only on medium and heavy civilian trucks and not on military ones. The vehicles also lack acetylene headlights, so it seems logical to assume that the vehicles were ALFA Romeo 430 trucks produced during the war for the civil market and requisitioned by the fascist troops after the Armistice, given the shortage of vehicles at their disposal.
Conclusion
Although very little is known about these vehicles, it can be assumed that their use to support the troops of the Italian Social Republic against partisan units was effective. Until early 1945, the partisans were too disorganized and poorly armed to respond adequately. Nothing is known about their use as self-propelled anti-aircraft vehicles, but they were definitely far preferable to the nothing the Italian units were usually equipped with.
Dimensions (L-W-H)
5.955 x 2.13 x ~ 2.5 m
Total weight, battle ready
3.8 tonnes
Crew
7 (vehicle commander, driver, gunner and 4 loaders)
Propulsion
ALFA Romeo Tipo 430, Diesel, 4-cylinder, 5,816 cm³, 80 hp at 2,000 rpm
Speed
65 km/h
Range
390 km
Armament
One Cannone-Mitragliera Scotti-Isotta-Fraschini 20/70 Modello 1939
Kingdom of Italy/Italian Social Republic (1942-1945)
Truck-Mounted Dual Use Artillery – 1 Prototype Built
The Autocannone da 90/53 su SPA ‘Dovunque’ 41 was an Italian anti-aircraft and anti-tank self-propelled truck-mounted gun designed in 1942 on the SPA Dovunque 41 6×6 heavy duty truck chassis. It was meant to succeed the previous Autocannone da 90/53 su Breda 52 in the ranks of the Italian Regio Esercito (English: Royal Army).
Although it was a promising project, the Armistice of 8th September 1943 caused the cancellation of the vehicle’s development, which was restarted in 1944 under the control of the new fascist-aligned Esercito Nazionale Repubblicano (English: National Republican Army). They used the single armored prototype produced by Officine Viberti.
The name Autocannone da 90/53 su SPA Dovunque 41 means truck-mounted 90 mm L/53 [cannon] on SPA Dovunque 41 [chassis].
The North African Context
During the first stages of the Second World War, the Regio Esercito was involved in a military campaign against the Commonwealth troops in the vast deserts of North Africa. This campaign began on 9th September 1940, when the Italian troops invaded Egypt from Libya, which was an Italian colony.
During these actions, it was clear for the Regio Esercito commanders in Africa that the Army needed long-range and well armed reconnaissance vehicles with great mobility. They also needed support vehicles that would be fast and armed with field guns capable of supporting the Italian assault infantry units. Good mobility would allow them to quickly move from one point to another on the battlefield to stop British assaults and support Italian counterattacks.
For this purpose, some light trucks, captured from the British troops in Cyrenaica during the first days of war, were used. These vehicles were Morris CS8, Ford F15, and Chevrolet, all with a payload capacity of 15 cwt (750 kg). They were captured in large quantities and were put back into service with the Italian coat of arms as supply trucks.
General Gastone Gambara, one of the Italian commanders in North Africa, ordered some workshops to take a number of these British lorries and modify them, mounting artillery pieces on their loading bay. This was how autocannoni came to be.
In Italian, the word autocannone (plural autocannoni) designated a truck of civilian or military production, of any type (light, medium, etc.), modified to permit the transportation of an artillery piece of any type (anti-tank, field gun, anti-aircraft, etc.) permanently fixed on the cargo bay.
The first autocannone produced in significant numbers was the Autocannone da 65/17 su Morris CS8, of which 24 were assembled. This vehicle had an old Cannone da 65/17 Mod. 1908/13 mountain gun mounted on its cargo bay and was stretched by 50 cm. The gun carriage was modified removing the spade and the wheels and welding it on a Italian medium tank turret ring that permitted 360° traverse.
In North Africa, other autocannoni were produced with support guns, anti-aircraft, and anti-tank guns on different types of trucks, mainly of Italian production.
Autocannoni da 90/53
The only autocannoni officially produced in significant numbers, 120 in total, during the war, were the Autocannone da 90/53 su Lancia 3Ro and Autocannone da 90/53 su Breda 52. The first was produced by Lancia Veicoli Industriali in Turin and the latter by Società Italiana Ernesto Breda per Costruzioni Meccaniche in the Sesto San Giovanni plant (near Milan). They were modified by the Ansaldo company in the Ansaldo-Fossati plant in Sestri Ponente (near Genoa) and perhaps also by the Officine Viberti company in Turin.
The Autocannone da 90/53 was a private project of Ansaldo proposed to the Italian Ministry of War on 7th January 1941. On the blueprints sent by Ansaldo, the truck chassis chosen for the project was an Alfa Romeo heavy duty truck, but the Ispettorato Superiore dei Servizi Tecnici (English: Technical Services Inspectorate) requested on 12nd January 1941, less than a week after, to mount it on the Lancia 3Ro heavy-duty truck instead.
Despite the need to modify the project to reinforce the truck chassis, the prototype was ready on 6th February 1941, the firing tests were performed on 10th February 1941, and the first order from the Regio Esercito for the Autocannone da 90/53 su Lancia 3Ro was placed on 10th March 1941.
After some changes, on 18th September 1941, the Regio Esercito order was extended to 30 autocannoni on Lancia 3Ro and 50 on Breda 52 chassis, plus 64 Lancia 3Ro ammunition carriers, 16 command trucks, and 16 recovery trucks.
On 2nd December 1941, the order was finally changed to 30 autocannoni su Lancia 3Ro, by this date all delivered or ready to be delivered to the Regio Esercito, 90 autocannoni su Breda 52 (20 ready to be delivered), a total of 96 heavy duty trucks (Lancia 3Ro and Breda 51) converted to ammunition carriers, 24 recovery trucks, and just 12 command trucks. The last Autocannone da 90/53 su Breda 52 left the Ansaldo-Fossati plant in Genoa on 1st May 1943.
These 120 autocannoni, 96 ammunition carriers, 12 command trucks, and 24 recovery trucks were assigned to 12 Groups that used Roman numerals: DI, DII, DIII, DIV, DV, DVII, DVIII, DXI, DLVI, DLVII, XX, and XXI (501st, 502nd, 503rd, 504th, 505th, 507th, 508th, 511th, 556th, 557th, 20th, and 21st), each divided into two batteries with 4 autocannoni da 90/53 each (plus one in reserve for each battery), 4 ammunition carriers with 840 rounds in total, one command truck, two recovery trucks, 10 logistic light and heavy vehicles, and other various equipment. The total personnel complement was 4 officers, 7 NCOs, 105 crew and gunners, and 31 drivers.
The DI, DII, and DIV Groups were sent to North Africa, where they were all lost during the North African Campaign. The remaining groups were used in the defense of southern Italy until the 8th September 1943 armistice.
During service, some defects of the vehicles were found, such as the poor top speed, poor range, and poor off-road capabilities, mainly due to weight increase (11,500 kg for the 90/53 su Lancia 3Ro compared to 5,610 kg of the standard Lancia 3Ro cargo truck variant), but also because neither of the two trucks had all-wheel drive.
In order to withstand the stress of the recoil of the powerful main gun, the Lancia 3Ro and Breda 52 trucks received six manual jacks with three spades each. These needed to be hammered into the ground before opening fire.
Before being ready to open fire, the crew need to stop the vehicle, put the jacks into position, mount the jack pads, hammer three spades for each jack, and open the gun platform. This wasted time and physically strained crews and made it impossible to promptly open fire to counter an unforeseen threat, or likewise, did not allow leaving the firing position quickly in the event of a retreat or counter battery.
Another serious problem was the height of the vehicle’s silhouette. In fact, the designers had preferred to mount a trunnion that allowed the gun to engaged ground and flying targets, but the solution proved to be problematic. The trunnion was high to permit a good maximum gun elevation, but its height meant it was easier to spot the Autocannoni da 90/53 on the vast and flat North African deserts.
The 12 mm thick gun shield, the only armored part of the vehicle, was adequate for protecting the gunner and crew from small-arms caliber bullets, artillery splinters, or shrapnel, but was too high and only offered protection to the crew on the frontal arc. This meant that the crew was vulnerable from air attacks and to all the types of threats on the ground. The absence of armor also made the vehicle vulnerable to air strikes and enemy infantry ambushes during a march.
Despite these problems, the Autocannoni da 90/53 provided excellent anti-tank performance thanks to the powerful 90 mm gun. During the Allied landing on the shores of Calabria during the first days of September 1943, some Autocannoni da 90/53 su Breda 52 were used in the indirect fire role against Allied vessels.
Another great quality of the autocannoni was the 30-round ready-to-use rack placed between the cab and the gun platform, which permitted the crew to maintain a high rate of fire for a certain period of time.
In response to the problems encountered on the autocannoni da 90/53, three different projects were started:
An armored autocannone on a heavily modified Breda 52 chassis that would become the Semovente Ruotato da 90/53 Breda 501. Ansaldo produced only two prototypes before the September 1943 armistice, when the project was abandoned.
The Autocannone da 90/53 su Autocarro Semicingolato Breda da 8t, an armored and shorter vehicle, a project initiated by Breda in August 1942. Due to delays in the production of the Breda 61 half-track and the 8th September 1943 armistice, the project was canceled.
A new 90/53 Autocannone on SPA Dovunque 41 6×6 heavy duty truck developed by Ansaldo. The Officine Viberti company in Turin was designing an armored version before the Armistice.
Design
The SPA Dovunque 41 Truck
The SPA Dovunque 41 heavy duty truck was one of the heaviest trucks of the Regio Esercito. One of its main characteristics was the all-wheel-drive configuration that permitted it to transport materials or tow heavy artillery pieces even on rough terrain.
The development started in 1941 by the Società Piemontese Automobili or SPA, a subsidiary of the famous FIAT. The first prototype was a Trattore Medio (English: Medium Tractor) SPA TM41 with seats for 7 soldiers plus the driver. It could tow the most heavy artillery pieces in the ranks of the Regio Esercito, but was usually assigned to the Cannoni da 90/53 Mod. 1939 batteries.
After the tests, it was accepted into service on 24th March 1942 and the production began the same year. The prime mover variant was accompanied on the production line by the heavy-duty truck variant in early 1943.
The trucks were produced in small numbers before 8th September 1943. The production resumed after the Armistice for the German Army, which received 153 vehicles.
There were also plans to produce a lighter variant, called SPA Dovunque 42, which would have entered production in 1944, but because of the Armistice, the project was canceled. After the war, production resumed until 1948, when it was replaced on the production line by the powerful SPA Dovunque 50. The old version remained in service with the Italian Army in the recovery version until the 1970s.
The SPA TM41 did not have a closed cab, with the driver seated on the right, the engine compartment in the center, and, on the left, the vehicle commander’s seat. Behind them was a 4-seat compartment and a third 2-seat compartment. The passenger compartment did not have a roof but could be covered by a waterproof tarpaulin.
Behind the crew compartment was a small cargo bay for the transportation of artillery rounds. On the rear was a tow hitch and a powerful hydraulic winch operated by the truck’s engine thanks to a Power Take-Off (PTO) system. When necessary, the driver stopped the vehicle, would shift out of gear on the gearbox, engage the handbrake and, via a manual override, connected the engine’s flywheel to a second driveshaft that operated the winch’s gearbox, which regulated the speed of the cable.
The heavy truck version had a fully closed steel-cabin with two seats. Behind it was the cargo bay with a payload capacity of 5 tonnes. The chassis weighed 6.5 tonnes, plus 2 tonnes of bodywork. The total ready weight of the vehicle was 14 tonnes, consisting of 500 kg of fuel, cooling liquid, oil, spare wheels, sapper tools, etc. The spare wheels were placed 360 mm over the ground and were left loose and free to rotate in order to help the vehicle overcome obstacles.
In order to improve the already great off-road capabilities of the truck, the two rear axles could be equipped with tracks that could be wrapped over the stock tires. This system was easy to mount on the tires, weighed little and took up little space and made it possible to overcome obstacles or very steep slopes.
Engine and Suspension
The SPA Dovunque 41 was powered by a 4-stroke, water-cooled, direct ignition engine equipped with DLL 145 S6-M injectors and a PE 6B 80E L4/11 pump. It was a diesel with 6 cylinders, 9,365 cm³ capacity giving out 110 hp at 1,800 rpm. The transmission had 4 forward and 1 reverse gears and a reductor. The fuel tank capacity was 130 liters.
The oil tank held 20.5 liters, while the cooling water tank had a capacity of 52.5 liters. The electric system had two 12 volts 140 ampere Magneti Marelli batteries. The maximum speed on road was 49 km/h, while the range was 270 km. The clutch was a single dry plate with compressed air servo brakes.
The SPA Dovunque 41 was the first of the ‘Dovunque’ series with the all-wheel drive configuration and was the only heavy duty truck of the Regio Esercito without twin wheels on the two rear axles.
The front suspension consisted of transverse leaf springs coupled with hydraulic shock absorbers. The rear suspension consisted of double overlapping leaf springs.
The tires dimensions were 11.25 x 24” (28.5 cm x 60.96 cm), the same as the armored cars and camionette of the Regio Esercito. Like the armored cars and camionette, it could use a wide variety of tires, such as the Tipo ‘Libia’ and Tipo ‘Sigillo Verde’ for sandy soils, Tipo ‘Artiglio’ and Tipo ‘Artiglio a Sezione Maggiorata’ for continental terrain and Russian steppes, and Tipo ‘Raiflex’ for continental grounds, all developed and produced by the Pirelli company in Milan.
Armament
The main armament of the Autocannone da 90/53 su SPA Dovunque 41 was the Cannone da 90/53 Modello 1939. This was an anti-aircraft 90 mm L/53 gun developed from the Ansaldo-OTO da 90/50 Modello 1939 gun which had been developed exclusively for the anti-aircraft and illuminating role on the Italian Regia Marina (English: Royal Navy) warships. To give an example, the Littorio-class battleships had twelve 90/50 guns in as many independent turrets.
Like the German 8.8 cm FlaK 36 gun, it was also used as an anti-tank gun in the first phases of the war, proving equally adequate in that role. A total of 519 guns were used in North Africa and on the Italian mainland, 121 of them mounted on autocannoni.
The development of this gun started in 1938, when the Italian Army made a request for an anti-aircraft gun that could hit enemy heavy bombers at an altitude of over 10,000 meters. In that period, Ansaldo was developing the Ansaldo-OTO da 90/50 (OTO is ‘Odero Terni Orlando’) for the Regia Marina and decided to create a ground version of the same cannon to speed up development.
The first four cannons were ready on 30th January 1940. In April that same year, they were tested at the Nettuno Shooting Area, where they proved essentially identical to the 90/50 gun tested some months before. The gun was immediately put into production by Ansaldo.
The gun weighed 8,950 kg in the Modello 1939 towable version (6,240 kg the gun, not including the field mount) and had an elevation of -2° to +85° and a traverse of 360°. The rate of fire was 19 rounds per minute, the maximum firing range was 17,400 m against ground targets, and 11,300 m against flying targets.
On board of the Autocannoni da 90/53 su Lancia 3Ro and Autocannoni da 90/53 su Breda 52, the gun trunnion had an electromechanical system which, after entering the altitude at which the enemy aircraft was flying, automatically adjusted the fuse of the 90 mm round. The altitude of the enemy aircraft was measured by a Centrale di Tiro Borletti – Galileo – San Giorgio or Centrale di Tiro Mod. 1940 ‘Gamma’ stereoscopic rangefinders. It is therefore plausible that the Autocannone da 90/53 su SPA Dovunque 41 also had such a system on board.
Ammunition
The Cannone da 90/53 Mod. 1939 fired different types of rounds in 90 x 679 mmR, the same as its naval version.
Ammunition for the Cannone da 90/53 Modello 1939
Type
Mass (kg)
Quantity of TNT (g)
Muzzle velocity (m/s)
Fuze
Penetration of RHA at 90° (mm)
Name
100 m
500 m
1000 m
Cartoccio Granata Esplosiva*
HE – AA
10.1
1,000
850
Mod. 36
//
//
//
Cartoccio Granata Esplosiva*
HE – AA
10.1
1,000
850
Mod. 36R
//
//
//
Cartoccio Granata Esplosiva*
HE – AA
10.1
1,000
850
Mod. 41
//
//
//
Cartoccio Granata Esplosiva*
HE – AA
10.1
1,000
850
IO40
//
//
//
Cartoccio Granata Esplosiva*
HE – AA
10.1
1,000
850
R40
//
//
//
Cartoccio Granata Perforante
APCBC
12.1
520
758
Mod. 09
130
121
110
Cartoccio Granata Perforante
APCBC
11.1
180
773
Mod. 09
156
146
123
Granata Effetto Pronto
HEAT
**
**
**
Internal Mod. 41
~ 110
~ 110
~ 110
Granata Effetto Pronto Speciale
HEAT
**
**
**
IPEM
~ 110
~ 110
~ 110
Notes
* The same round but with anti-aircraft or percussion fuze.
** Prototypes ready for testing only in mid-1943. According to some sources, they were similar to the German 88 mm Hl.Gr 39.
As with the other autocannoni da 90/53 batteries, the Autocannoni da 90/53 su SPA Dovunque 41 batteries would have had the majority of the ammunition carried in other vehicles.
The Autocannone da 90/53 su SPA Dovunque 41
The chassis of the Lancia 3Ro was not sturdy enough to withstand the recoil of the 90 mm gun, while the Breda 52 chassis had some problems while driving off-road, so the new SPA Dovunque 41 was chosen for the role.
The crew would be the same as on other autocannoni da 90/53, consisting of eight soldiers: driver, vehicle commander, gunner, three gun crew, and two ‘specialists’ (that probably were not only used to pass the rounds to the loader but they, for example, adjust the fuze of the rounds and check with the rangefinder the distance of the target), the last six of whom were in another vehicle in the battery.
The new autocannoni would differ from the others by having a new variable height trunnion. During a march and in the anti-tank role, the trunnion would be lowered to keep the vehicle’s shape as low as possible, but allowing limited elevation. In fact, the cab did not obstruct the line of fire because the rigid roof and sides were substituted by removable water-proof tarpaulins and the windshield, that could be lowered downwards, was divided in two parts to permit to the gun barrel to be placed between the driver and vehicle commander’s seats during a march.
In the anti-aircraft role, the gun trunnion would have been raised to its maximum position, allowing the complete +85° elevation, exactly as on the Autocannone da 90/53 su Autocarro Semicingolato Breda da 8t or on the Semovente ruotato da 90/53 Breda 501.
Behind the cabin were what looked like two shields with the same height as the cabin’s sides. If they were truly protective shields, when opened, they protected the lower portion of the front arch of the entire platform from enemy small-arms bullets. These shields did not interfere with the line of fire of the main gun.
Between these shields was probably an ammunition rack, as on the other autocannoni da 90/53, most likely with the usual 30 ready-to-use 90 mm rounds.
There were four new type hydraulic jacks, probably operated by the same PTO system that worked the winch in the SPA TM41 prime mover version.
The power take-off system’s driveshaft was probably connected to an oil pump that put into operation the hydraulic circuit that controlled the elevation and depression of the jacks.
This meant that the autocannone was not on the SPA Dovunque 41 chassis, but on its prime mover variant, the SPA TM41. The heavy-duty truck was not equipped with the power take-off driven winch.
The side spare wheels were removed from behind the cab to make room for the frontal lifting jacks. Only one spare wheel was carried at the rear of the vehicle, under the gun platform.
Another order for Autocannoni da 90/53 was scheduled for 19th July 1943. This would consist of 96 on the Breda 52 chassis to replace the losses of other autocannoni in North Africa and 60 on the SPA Dovunque 41 chassis. Those 60 autocannoni would be enough to equip six different Autocannoni da 90/53 Batteries.
Armor
The Regio Esercito Autocannone da 90/53 su SPA Dovunque 41 project was mostly unarmored, but the gun had a 12 mm thick gun shield to protect the crew on the platform. The gun shield would be lower and angled to better deflect small-caliber rounds.
The Technical Department of the Officine Viberti in Turin, a company specialized in bodyworks for Lancia and FIAT trucks and in the production (jointly with SPA) of armored cars and Camionette, began working on 30th June 1943 on the development of an armored body for the Autocannone on SPA Dovunque 41 chassis. This would then receive the designation of Autocannone da 90/53 su SPA Dovunque 41 Blindato (English: Armored) or Autocannone da 90/53 su SPA Dovunque 41 Semiblindato (English: Semi-Armored).
This variant would be identical to the unarmored one, but with an armored superstructure protecting only the driver and the vehicle’s commander. This structure would have been composed of angled riveted armored plates, probably of a thickness from 6 mm to 8.5 mm, maybe more on the frontal arc. The cab was divided in two compartments, the driver’s one on the right, and the vehicle commander’s one on the left.
In the center, the space left free would house the 90 mm cannon barrel and its travel lock. The two armored compartments would have their own armored doors, divided in two different parts, with the upper ones with a loophole. There was one frontal armored hatch for each compartment, opening downwards to increase visibility while driving. The frontal headlights were armored.
The vehicle is sometimes mentioned as semi-armored because the frontal vertical hood and the radiator grille remained unarmored, probably to keep the weight of the vehicle low.
The design of the armored cab of the Autocannone da 90/53 su SPA Dovunque 41 Semiblindato was completed by the Technical Office of Officine Viberti on 3rd September 1943, five days before the Armistice that led to the cancellation of the order of the 60 autocannoni su SPA Dovunque 41 by the Royal Army.
Because of the height of the armored cab when shooting forwards, the gun trunnion would have been lifted over the roof of the cabin in anti-tank role, but it could also maintain the trunnion at the minimum height if the gun was aimed to the sides or rear.
Service
With the signing of the Armistice with the Allied forces on 3rd September 1943, which entered into force on 8th September 1943, the Regio Esercito turned its guns against the German Army, its former ally.
The Germans, expecting such a move, launched Fall Achse (English: Operation Axis), prepared by the Oberkommando der Wehrmacht after late May 1943. From 8th to 19th September 1943, about 20,000 Italian soldiers were killed and the German Army captured over one million soldiers and thousands of guns and armored fighting vehicles.
Some of the Italian soldiers loyal to Benito Mussolini and the Germans surrendered to them and continued to fight against the Allied troops with their Axis allies, while other captured soldiers decided to fight with the Germans.
On 23rd September 1943, Mussolini founded the Repubblica Sociale Italiana or RSI (English: Italian Social Republic) on the Italian territories under German control. The new army of the RSI, the Esercito Nazionale Repubblicano (English: National Republican Army), was equipped with few armored fighting vehicles, since the Germans had taken control of the Italian war industry.
One of the largest units of the Esercito Nazionale Repubblicano was the Xª Flottiglia MAS, with around 20,000 soldiers in its ranks divided between sailors and naval infantry. For most of the remaining two years of war, these fought as normal infantry units.
One of the artillery units of the Xª Flottiglia MAS was the Gruppo Artiglieria da Campagna ‘Colleoni’ (English: Field Artillery Group), created in March 1944 at La Spezia, near Genoa. It was composed of 3 batteries with Obici da 75/13 and 100/17.
In July 1944, it was sent to Piemonte, in the Ivrea region, to fight the partisan units and to maintain efficiently the alpine roads that ran from Italy to France. Thus, in the event of an Allied landing in Liguria, German and Fascist units in Piemonte could retreat further north.
In that period, Lieutenant Malvezzi, an officer of the Gruppo Artiglieria da Campagna ‘Colleoni’, contacted Officine Viberti of Turin. Given the need for armored vehicles to be assigned to the unit to fight the partisans, Viberti probably proposed to Malvezzi to produce the Autocannone da 90/53 su SPA Dovunque 41 Blindato. The absence of information and pictures do not clarify the situation but probably the Xª MAS‘s officer helped with the development, giving suggestions or providing part of the raw materials to the Officine Viberti technicians.
Nothing is known about the vehicle, except that it was delivered to the Gruppo di Artiglieria da Campagna ‘Colleoni’ in Autumn 1944, just in time, as the Xª Flottiglia MAS was transferred to Veneto in October 1944.
From October to December 1944, the ‘Colleoni’ was employed in anti-partisan operations and then was active against the Slovenian partisans’ IX Korpus, where it was deployed in Gorizia and the Battle of Tarnova in January 1945.
The artillery unit was then sent to the Senio Front and the Autocannone was probably taken with them. In March 1945, the unit was sent to the southern front to fight against the Allies that were advancing.
The only Autocannone da 90/53 su SPA Dovunque 41 Blindato was probably lost during the fight on the Senio front or against the Allied troops some weeks later.
There are no photos of this vehicle, neither in the Officine Viberti plant nor in the hands of the Xª MAS. Some sources hypothesize that this vehicle could have been camouflaged with the standard Kaki Sahariano, the standard khaki camouflage, but it is also possible that the vehicle could be camouflaged in the three-tone Continentale camouflage typical of Italian vehicles used on the mainland, composed of Kaki Sahariano background with reddish-brown and dark green spots.
Conclusion
The Autocannone da 90/53 su SPA Dovunque 41 would have been an interesting vehicle if put into service for its characteristics. This is due to its special development with experiences from similar vehicles.
Unfortunately, the Italian Armistice of 8th September 1943 canceled the orders for this vehicle, and nothing is known about the only vehicle allegedly produced in 1944. The Gruppo di Artiglieria da Campagna ‘Colleoni’ of the Xª Flottiglia MAS used a single vehicle against Yugoslav partisans.
Kingdom of Italy (1940-1942)
Self-Propelled Anti-Aircraft Gun – Unknown Number Converted
When the Regio Esercito (English: Royal Italian Army) entered the Second World War in 1940, it did not have in its ranks a self-propelled anti-aircraft gun (SPAAG) to equip its units. During the North African Campaign, this problem became evident, and some anti-aircraft vehicles were produced in a rather rudimentary fashion in Libyan workshops to defend Italian supply convoys and armored divisions from air attacks. For this, the Breda 20 mm cannon was mounted on various truck chassis, both Italian and British, the latter captured during the first months of the war. These vehicles were built to partly relieve this problem while waiting for vehicles specially designed for this task.
The North African Context
After the Italian declaration of war against Britain and France on 10th June 1940, the Regio Esercito began some campaigns in Europe against France and Yugoslavia. It was only on 13th September 1940, that the North African Campaign began, when Italian troops commanded by General Rodolfo Graziani crossed the border between Libya, an Italian colony, and Egypt, a British protectorate.
It was immediately clear to the Italian generals that the Regio Esercito needed, as soon as possible, reconnaissance armored cars and armed vehicles to support Italian units.
Despite the participation of the Deutsches Afrikakorps (DAK), the Italian Royal Army did not receive adequate quantities of these types of vehicles, and the troops in Africa had to make do with what they had. In mid-1941, the Italian High Command made the decision to take some trucks and tractors and use them as reconnaissance and support vehicles, arming them with various artillery pieces.
Design
The Canadian Military Pattern (CMPs) trucks were a standardized type of truck built by the General Motors, Ford, and Chevrolet branches in Canada for the needs of the Commonwealth Army. The long hundredweight or centum weight (abbreviated to CWT) is a British imperial unit of weight equivalent to 50.8 kg.
The CMP light trucks had a payload equivalent to 760 kg; the CMP medium trucks had a payload of 30 CWT, equivalent to 1,525 kg; and the CMP heavy trucks had a payload of 60 CWT, equivalent to 3,050 kg.
The Ford 15 CWT trucks used the Ford 239 B9-99A Flathead engine, with a capacity of 3,916 cm³ delivering 95 hp at 3,300 rpm. The CMP vehicles built by Chevrolet had the 3,540 cm³, 6-cylinder, in-line OHV 6 (OverHead Valve) engine delivering 85 hp at 3,400 rpm.
The vehicles had a 93 liters fuel capacity that guaranteed a range of around 460 km. Their top speed on-road varied from 64 km/h to up to 80 km/h, depending on the specific vehicle.
The more powerful 3-ton Ford F60 truck entered service in 1941 and was equipped with a more powerful 270 hp GMC V6 petrol engine, with a 112-liter fuel reserve.
The CMPs came with 4×2 configuration, respectively called Ford F15 and Chevrolet C15, and all-wheel drive configuration called Ford F15A and Chevrolet C15A. Apart from this, they were the same and maintained the wheelbase of 2.56 meters. The Ford F60 was always 4×4.
The Ford and Chevrolet trucks had the Canadian standard right-side drive cab design, which evolved over the years of production. The first was designed for Ford by Sid Swallow. These designs were called Number 11, No. 12, and No. 13.
The main difference from the No.11 consisted of the radiator grille in the cab of No. 12. The final No. 13 cabin, an entirely Canadian project used from the end of 1941 until the end of the war, had the two flat panels of the windshield slightly tilted downward to reduce glare from the sun and to avoid strong reflections that would have been observable by airplanes. All the designs of the CMP cabs had a ‘cab forward’ configuration that gave CMP trucks their characteristic ‘crushed muzzle’ profile.
The CMP vehicles had some problems. Due to the rear wheel fairings, the cargo bays were small and cramped. These trucks, together with the Morris CS8, which had the same payload capacity, were the backbone of the supply lines of the British Army for the entirety of the war, together with heavier trucks, such as the Ford F30, Chevrolet C30, Ford F60, and Chevrolet C60.
The No. 11, 12 and 13 cabins were combined with a variety of standard chassis, transmissions, and bodywork. The vehicles built by Chevrolet could be recognized by the mesh of the radiator grille that was diamond-shaped, while those built by Ford had a square mesh.
The dizzying variety of variants included general services, troop carriers, fuel/water tank carriers, recovery vehicles, ambulances, dental clinics, mobile laundries, HQ radio vehicles, workshops, welding stations, transports, artillery tractors, and anti-tank portées.
The Italian troops appreciated the qualities of these light Canadian lorries, their off-road driving performances, and the ease with which they could be modified. In fact, during an official meeting, General Gastone Gambara proposed a vehicle exchange to German General Erwin Rommel. The Germans would swap captured Commonwealth light trucks, with a single Regio Esercito’s FIAT or Lancia heavy truck for every 2 Commonwealth lorries received.
Italian Modifications
The Italian troops captured many of these vehicles, including F15, F15A, C15, and C15A in Cyrenaica in 1940, along with many other vehicles, such as the Morris CS8. Photographic evidence suggests that the majority were F15s though.
Due to the inadequate number of supply trucks in the Italian ranks, all the captured vehicles were quickly put in service with the supply units of the Regio Esercito.
General Gastone Gambara, commander of the Corpo d’Armata Mobile (CAM) (English: Mobile Army Corp), understood the flaws of the Italian Army. In 1941, he ordered the workshops of the Autofficine del 12° Autoraggruppamento AS (English: Workshops of the 12° Vehicle Regroupment North Africa) to modify some of the British light lorries, arming them with old 65 mm Italian support guns. These would become the Autocannoni da 65/17 su Morris CS8.
In Italian, the word ‘Autocannone’ (Autocannoni plural) designated any type of civilian or military truck equipped with a field, anti-tank, anti-aircraft, or support gun mounted on the cargo bay.
In the Italian official nomenclature, these vehicles were referred to as both as ‘Autocannoni’ and ‘Camionette’, even though the camionette were vehicles designed for reconnaissance and not armed support. This article will sometimes use designations such as ‘Autocannone da 20/65 su CMP’. This nomenclature was never officially used by the Italian Royal Army, but, in some photos, it is impossible to distinguish exactly which Canadian Military Pattern variant was used as a base for the vehicle.
This solution proved to be really successful and the Autofficine del 12° Autoraggruppamento AS started to convert other British vehicles, beginning with the 15 CWT Canadian Military Trucks. Due to the small cargo bay it was decided to turn the CMPs into anti-aircraft autocannoni, mounting 20 mm autocannons on their rear platforms.
The cabs were cut off under the windshield, permitting 360° traverse to the main gun. On the loading bay, all the tarpaulin rods and other unnecessary parts were removed.
The cargo bay was modified, adding a support in the center to mount the autocannon’s trunnion, but no seats for the main gun crew were added. Supports for 6 20 liters cans were added: four below the cargo bay, just behind the cab on the right, and one for 2 cans on the loading bay’s rear.
In some cases, these 120 liters of fuel would extend the range of the vehicle to 1,400 km. On other vehicles, the number of fuel cans transported was higher. For example, sometimes, 2 20 liters cans were transported between the driver and commander’s seats, increasing the range even more. However, some of those cans were used for drinkable water, which was more valuable than fuel when operating in the desert. Between the loading bay and the cab, where the spare wheel was previously located, some ammunition boxes were added.
Thanks to the tonnes of British material captured, the tires were not changed and remained the British desert type because there were enough spare wheels. Sapper tools, such as pickaxes and spades, were also added on the loading bay’s rear and two unditching grilles were mounted on the sides.
Even the Germans appreciated the Canadian Military Pattern qualities and, using the Italian workshops, they turned some of the CMPs that they had managed to capture into self-propelled anti-aircraft guns mounting German FlaK 30 or FlaK 38 anti-aircraft automatic cannons on their loading bays.
Ironically, during the North African Campaign, Commonwealth troops managed to capture several Italian 20 mm autocannons, which the Australians mounted on their own CMP light trucks.
From photographic evidence, the vehicles used by the Commonwealth troops were not in any way modified, having the Italian guns simply resting on the cargo bay, making them technically portées.
The number of vehicles converted by the Commonwealth forces in North Africa is not clear, but the guns were placed on Chevrolet C15 and C15A, Ford F15, F15A, and F60 chassis, but may have been more.
The Italians also converted a number of CMPs into anti-aircraft autocannoni, but with twin 12.7 mm Breda-SAFAT aeronautical machine guns mounted on a 360° support instead of the 20 mm autocannon.
The crew of the Autocannone da 20/65 su Ford or Chevrolet was composed of four soldiers. The driver was on the right-hand seat of the cab, the vehicle commander on the left side of the cab, and a gunner and a loader were placed on the cargo bay, probably sitting on the wheel fairings.
When the gun was operated, the commander and the driver left the cab. The commander spotted targets while the driver served as a second loader to speed up the gun’s rate of fire.
Not much is known about the total number produced. Nico Sgarlato, in his book ‘I Corazzati di Circostanza Italiani’, says that a total of 30 Autocannoni da 20/65 su Ford, Chevrolet and Morris chassis were converted, plus others produced in 1943 and used in Tunisia. However, this Italian writer does not mention his source and it seems that no other book or source mentions the number of Ford or Chevrolet that were modified.
Armament
The main gun of the autocannone was the Cannone-Mitragliera Breda da 20/65, mainly the Modello 1939 version, but some vehicles were also equipped with the Modello 1935 version.
The Breda was a gas operated autocannon chambered for the powerful 20 x 138 mm B cartridge, the same as the German FlaK 38 and the Swiss Solothurn S-18/1000 anti-tank rifle.
Its theoretical rate of fire was 500 rounds per minute, but the practical one was about 220 rounds per minute. It had a muzzle velocity of 830 m/s and a practical range of 2,000 meters in the anti-aircraft role and a practical range against ground targets of about 3,000 meters.
The Breda Mod. 35 had a depression of -10° and an elevation of +80°, while the Mod. 39 had an elevation of +90° thanks to its manual aim. It used 12-round feed strips that were loaded manually by the loader.
The Modello 1939 was the fixed gun version, made mainly for the Milizia della Difesa Territoriale (English: Militia for Territorial Defense), essentially the equivalent of the British Home Guard.
The 72 kg autocannon was mounted on a particularly shaped trunnion that offered 360° traverse and simplified the use of the gun. These guns were probably taken from the fixed anti-aircraft positions around the Libyan cities, such as Tobruk or Tripoli.
The Modello 1935 was the towed variant of the autocannon and was lower than the Modello 1939, equipped with a seat and aiming wheels. It was the most produced variant and was the most used by the Regio Esercito during the war. It was also used also on the cargo bay of medium trucks as anti-aircraft portée, using chassis such as the FIAT 626 and SPA 38R.
One problem with the Italian modification was the removal of the water-proof tarpaulins that protected the cargo bay from rain, but more importantly from desert sand and dust. When not in use, the 20 mm Breda’s breech and barrel had to be covered by small waterproof tarpaulins. Otherwise, there was a risk of jamming the weapon with disastrous consequences for the entire battery.
The ammunition was transported in metal boxes placed between the cab and the cargo bay, on the right side. In total, the vehicle carried 240 rounds for the gun, even if it was common practice for crews to transport more ammunition within wooden crates loaded in the cargo bay or wherever there was sufficient space. More ammunition was transported by the battery’s supply trucks and ammunition carriers.
Operational Use
Self-propelled anti-aircraft guns were urgently needed in the Italian ranks to protect the ‘Batterie Volanti’ (English: Flying Batteries), composed of Autocannoni da 65/17 su Morris CS8 or other Italian autocannoni that operated in the vast desert plains to provide support to the Italian units. These had proven vulnerable to air strikes. To give an example, in November 1941, a Junker Ju. 87 ‘Stuka’, mistaking some Italian autocannoni for British vehicles, attacked them, destroying four Autocannoni da 100/17 su Lancia 3Roand a battery of Autocannoni da 65/17 su Morris CS8, killing 7 Italian soldiers.
The Breda cannon was, in fact, well known to Allied ground attack pilots, who often aborted attacks in order to avoid significant damage to their aircraft, as some US documents confirm.
The Autocannoni da 65/17 su Morris CS8 equipped the 1ª to the 6ª Batteria Volante plus the 11ª Batteria Volante Indipendente (English: 11th Independent Flying Battery). The Canadian Military Pattern trucks armed with the Breda autocannons were assigned to some of these batteries, providing anti-aircraft defense to the batteries, but also defending them against infantry attacks.
The batteries were equipped with three Autocannoni da 65/17 su Morris CS8 and two anti-aircraft vehicles, 20/65 su Ford 15 CWT, or Chevrolet 15 CWT, plus other supply trucks and command cars.
In total, 16 Batterie Volanti were formed by the Italians during the North African Campaign and the anti-aircraft autocannoni equipped the majority of them. Of the hundreds of vehicles that composed these units, 71 were captured British-produced vehicles reused as autocannoni, ammunition carriers, or command trucks.
The 1ª, 2ª and 3ª Batteria Volante were assigned to the I° Gruppo (English: 1st Group), while the other three, from 4ª to the 6ª Batteria Volante, were assigned to the II° Gruppo (English: 2nd Group). These were later renamed XIV° Gruppo and XV° Gruppo (English: 14th and 15th Groups), respectively.
In March 1942, the XIV° Gruppo was completely destroyed by the British, which launched an attack on their positions. The soldiers of the group were killed or taken prisoners.
In the following weeks, the XIV° Gruppo was rebuilt with the soldiers and vehicles of the 3° Gruppo Autoblindo ‘Nizza’ (Eng: 3rd Armored Car Group), equipped with AB41 medium reconnaissance armored cars, four Autocannoni da 65/17 su FIAT 634N, an Italian heavy-duty truck, and others on Morris CS8 chassis, with some Ford chassis autocannoni as well.
In May 1942, the batteries were renamed Batterie Autocannoni. In June 1942, given the arrival of new material from the Italian mainland, the autocannoni production was stopped and the surviving Batterie Autocannoni equipped with 65/17 su Morris CS8 were reorganized.
After June 1942, each Batteria Autocannoni had a command unit, 3 batteries for a total of 12 autocannoni da 65/17, four autocannoni da 20/65 su Ford, Chevrolet or Morris chassis, a staff car, 4 armored trucks, 10 light trucks, 13 motorcycles, 4 machine guns, four 20 mm wheeled anti-aircraft guns, and two RF2 radio stations with a staff of 13 officers, 7 NCOs, 137 artillery crew, and 56 drivers.
From January 1943, the three renamed batteries were assigned to the 136º Reggimento Artiglieria (English: 136th Artillery Regiment) of the 136ª Divisione Corazzata ‘Giovani Fascisti’ (English: 136th Armored Division) and remained in the division for the rest of the African Campaign, fighting with tenacity during the battles in Tunisia.
Autocannone da 20/65 su Ford F60
The Italians also captured a number of Ford F60Ls and F60Ss that were reused for different purposes, such as infantry transport, fuel and water transporter, artillery tractors, and ammunition carriers. Thanks to their usefulness and bigger loading bays, only a few were used as autocannoni.
Some of the vehicles that were modified into autocannoni lost most of the cargo bay, of which they retained only part of the floor onto which the usual Breda was mounted.
The cabin of some models was cut, while others kept the windshield, and others did not receive any modifications. The crew of the gun were seated on a bench fixed behind the cab facing the rear during the march. The back of the bench was a large box where the ammunition of the cannon was stowed. On the vehicle were also hooked two racks for 3 jerrycans each, fixed under the cannon platform. Next to the racks were two more boxes for ammunition or tools.
From the existing photos of these vehicles, it seems that not all were modified in an ‘official’ way by the 12° Autoraggruppamento AS workshops, but that some were modified by the Italian soldiers on the front line.
Conclusions
The Autocannoni da 20/65 on Canadian lorries were some of the dozens of autocannoni produced by the Regio Esercito workshops in Africa. These vehicles, greatly appreciated for their dual anti-aircraft and infantry support capabilities, were extensively used even if in small numbers. Unfortunately, for the whole duration of the North African Campaign, the Regio Esercito did not receive purposely built self-propelled anti-aircraft guns, and the autocannoni da 20/65 on captured trucks or other chassis were the only serviceable vehicles for this fundamental role.
20/65 su Ford F15 Specifications
Dimensions (L-W-H)
5.18 x 2.13 x ~2 m
Total weight, battle-ready
3.235 tonnes
Crew
4 (driver, vehicle commander, gunner, and loader)
Propulsion
Ford 239 V8 Flathead 3,916 cm³, petrol 95 hp
Range
460 km
Maximum speed
70 km/h
Main Armament
Breda 20/65 Mod. 1935 or 1939
Armor
//
Total production
Unknown number of vehicles converted
20/65 su Ford F60L Specifications
Dimensions (L-W-H)
6.21 x 2.23 x ~2 m
Total weight, battle-ready
4.33 tonnes
Crew
4 (driver, vehicle commander, gunner, and loader)
Propulsion
V8-cylinder, 3.917 cm³ displacement, carburetor, liquid-cooled with 112 liters tank
Kingdom of Italy (1943)
Half-Track Mounted Dual Use Artillery – Paper Project
The Autocannone da 90/53 su Autocarro Semicingolato Breda 61 was an Italian anti-aircraft and anti-tank self-propelled gun designed in 1943 based on the Breda 61 half-track chassis for the needs of the Italian Regio Esercito (English: Royal Army).
Although it was a promising project, the delays with the production of the Breda 61 caused the delay of the half-tracked Autocannone. The project was canceled after the Italian Armistice that was signed on 8th September 1943.
Autocannone da 90/53 su Autocarro Semicingolato Breda 61 in Italian literally means Truck(-mounted) 90 mm L/53 cannon on Breda 61 half-track hull.
Lack of mobile artillery and the need for the ‘Autocannoni’
Already during the early stages of the Second World War, the Regio Esercito’s High Command received complaints about the absence of a mobile support gun to help the Italian troops during assaults to the enemy positions.
During the fighting in the vast deserts of North Africa, an armed vehicle with great mobility could reach the battlefront quickly to counter the enemy attacks and then move to another point of the battlefront to counterattack or for other defensive duties was needed.
Despite the need for such vehicles, development in Italy was very slow and the soldiers in Africa were forced to create such vehicles themselves in military and civil workshops. This is where Autocannoni (singular Autocannone) originated from.
In Italian, the word Autocannone means a truck (in this case, a half-track) of civil or military production, of any type (light, medium etc) modified to permit the transportation on its cargo bay of a permanently fixed artillery piece of any type (anti-tank, field gun, anti-aircraft, etc).
The first autocannone produced in significant numbers (24 converted) were the Autocannone da 65/17 su Morris CS8. The old Cannone da 65/17 Mod. 1908/13 mountain gun, hard to tow on the soft desert terrains, was mounted on a 360° rotating support made from turret rings recovered from destroyed Italian tanks. It was then fixed on the loading bay of the British Morris CS 8 4×2 light utility truck, captured in significant numbers in the first days of war, slightly modified by the Autofficine del 12° Autoraggruppamento AS (English: Workshops of the 12th Motorized Group, AS standing for Africa Settentrionale – North Africa) located in the Village of Giovanni Berta, near the city of El Gubba, North-east Libya.
This workshop and the FIAT ones of Tripoli were responsible for the conversion of the trucks into autocannoni. By 1942, autocannoni with howitzers, anti-aircraft autocannons, naval guns, and standard field artillery pieces were produced.
Autocannoni da 90/53
The only officially produced autocannoni were the ones armed with the powerful 90 mm Cannone da 90/53 Mod. 1939 based on the Lancia 3Ro and Breda 52 heavy duty trucks. These trucks were produced by Lancia Veicoli Speciali in Turin and by Società Italiana Ernesto Breda per Costruzioni Meccaniche in the Sesto San Giovanni plant (near Milan). They were modified by the Ansaldo-Fossati Plant in Genoa and perhaps also by the Officine Viberti plant in Turin.
These autocannoni were developed for anti-aircraft and anti-tank purposes and 120 were converted, 30 on the Lancia 3Ro chassis, and 90 on the Breda 52 chassis.
These vehicles were assigned to 12 Groups with 2 batteries each, used in North Africa and Southern Italy. Some units were also used in the anti-naval role, shooting in indirect fire against Allied vessels that tried to disembark on the Calabria coasts on 3rd September 1943.
These vehicles had some problems caused by the heaviness of the gun and the recoil stress. In order to deal with these, the chassis was reinforced and manual jacks were adopted to lift the vehicles off the ground.
The increase in weight of the vehicle decreased the already moderate speed of these heavy trucks and the manual jacks forced the crew to exert a high physical effort and increased the times to get ready to fire and to leave the fire position, especially in dangerous situations.
Another problem was the height of the vehicle. This was not a factory defect, but a choice of the designers that proved to be problematic. The trunnion was high to permit a great elevation to allow the autocannoni da 90/53 to engage flying targets and ground targets. Its height made it easier to spot by enemy troops on the vast and flat desert terrain.
The 12 mm thick armored shield could protect the crew from small arms, shrapnel, or splinters. However, it protected the crew only on the frontal arc. This meant that the crew was vulnerable from air attacks and all the crew on the ground were vulnerable to all threats.
Despite these problems, the Autocannoni da 90/53 provided excellent anti-tank performance thanks to the powerful 90 mm gun. Another great quality of the autocannoni was the 20-rounds ready-to-use rack placed between the cab and the gun platform, which permitted the crew to maintain a high rate of fire for a certain period of time.
In response to the problems encountered on the autocannoni da 90/53, three different projects were started:
An armored autocannone on a Breda 52 chassis, which would become the Semovente Ruotato da 90/53 Breda 501. Ansaldo produced only two prototypes before the September 1943 Armistice, after which the project was abandoned.
A new 90/53 Autocannone on SPA Dovunque 41 6×6 heavy duty truck was proposed in two different configurations. The first one, would be essentially a 90/53 su Breda 52 copy, while the second one, called Autocannone da 90/53 su SPA Dovunque 41 Blindato (English: Armored) had a lower armored cab and a new gun shield. Only a prototype was completed after the Armistice and assigned during the Fall of 1944 to the Reggimento ‘Colleoni’ of the Xª MAS.
An Autocannone da 90/53 su Autocarro Semicingolato Breda da 8t started by Breda in August 1942.
Design
The Breda 61
Before the Second World War, the Italian Army and the Italian industry were not interested in half-tracked vehicles, apart from some interwar projects, such as the Semicingolato Corni (1923). The Italians preferred heavy-duty trucks or medium trucks with all-wheel drive. With the start of the conflict, during the French Campaign, Italian officers were impressed by the mobility of the German half-tracked vehicles, such as the Sd.Kfz. 7 heavy-duty half-track.
The Italian Army High Command put out some requests for the creation of half-tracks in 1941, and the first developments were presented in the same year by the Centro Studi ed Esperienze della Motorizzazione (English: Vehicle Study and Experience Center) in Rome.
These were the Bianchi Mediolanum medium trucks modified with tracks and Alfa Romeo 800RE (‘R.E.’ stands for Regio Esercito) heavy duty truck.
These two vehicles, which were tested by Italian Army specialists, were standard medium trucks with modifications to the rear axles. They did not give the desired results in off-road tests and towing tests and were abandoned.
In 1941, the Regio Esercito High Command asked for an Sd.Kfz. 7 from the German Army. The German Army responded positively and, during the same year, a German half-track was tested at the Centro Studi della Motorizzazione (English: Centre for Motorisation Studies) in Rome, impressing the Italian officers with its towing capabilities and robustness.
Almost immediately, the possibility of producing the half-track under license was requested, but some bureaucratic problems slowed the release of documents and the permission for producing the suspension and tracks came from the German manufacturer Krauss-Maffei only in 1942. The production of the Italian copy of the Sd. Kfz. 7, called Autocarro Semicingolato (English: Half-tracked Truck) Breda 61 (also known as the ‘Breda 8t’ for its weight) and a smaller version produced by FIAT and called FIAT 727 or Maffei-FIAT 727 started very slowly.
The Breda 61 prototype was ready in July 1943 and was sent to the Centro Tecnico della Motorizzazione (English: Vehicle Technical Center) in Rome, where it was accepted into service as a heavy artillery tractor as the Autocarro Semicingolato Breda 61 da 8t (English: Breda 61 Half-track weight 8 tons).
Before 8th September 1943, a total of 36 Breda 61 out of 500 ordered were delivered to the Regio Esercito. These went to equip the anti-aircraft artillery regiment of the 136ª Divisione corazzata ‘Centauro II’ (English: 136th Armored Division) to tow the Cannone da 88/55 (Italian name for the 8.8 cm FlaK 37).
After the Armistice, the Germans captured some of the vehicles produced and, in January 1944, ordered the Società Italiana Ernesto Breda per Costruzioni Meccaniche to produce another 300 Breda 61s. Until 1944, the Breda Plant in Brescia produced a total of 199 vehicles, for a total of 235 heavy half-tracks produced.
The German Army added them to its nationally produced medium half-tracks in the heavy artillery towing and recovery duties in Northern Italy, the Balkans, and France.
Engine and suspensions
The engine of the Breda 61 was a Breda Tipo 14, 6-cylinder, 6,191 cm³ unit delivering 140 hp at 2,600 rpm. It was probably a license copy of the Maybach HL62 TUK, which had similar characteristics and powered the Sd. Kfz. 7. The gearbox was of Italian origin and had 4 gears plus reverse (4 + 1) with a reductor. The book ‘Italian Tanks and Combat Vehicles of World War II’, written by Ralph Riccio, claims that the engine was a 6-cylinder, 7,412 cm³ unit delivering 130 hp at 2,400 rpm, but there is no proof in support of this thesis.
The maximum road speed was 50 km/h and the range with the 203-liter tank was 250 km on road and 160 km off-road.
Thanks to its powerful engine, this 9,750 kg vehicle could transport 1,800 kg in its cargo bay and a payload of 8,000 kg towed. This meant that the Breda 61 could tow essentially any of the heavy artillery pieces used by the Regio Esercito, such as the Obice da 149/40 Mod. 1935 and Obice 210/22 mod. 35.
The front wheels were 9.75 x 20”, the same as those of the Lancia Ro, Lancia Ro-Ro, and Lancia 3Ro heavy duty trucks. The steering wheel was mounted on the right side instead of the left side, one of the few differences from the German Sd. Kfz. 7.
The suspension was in the form of transverse torsion bars for the front tires and standard torsion bars for the tracks.
There were seven overlapping and interleaved road wheels, based on the German ‘Schachtellaufwerk’ design common with other vehicles.
Due to the increase in weight, the vehicle would have a decreased top speed on the road to about 40 km/h and its range on the road would have decreased to less than 200 km.
Armament
The Cannone da 90/53 Modello 1939 was an anti-aircraft 90 mm L/53 gun developed from the Ansaldo-OTO da 90/50 Modello 1939 gun which had been developed for the anti-aircraft role on the warships of the Regia Marina (English: Royal Italian Navy).
Like the German 8.8 cm FlaK gun, the Italian gun was also used as an anti-tank gun in the first phases of the war, proving equally adequate in that role. About 500 guns were used in North Africa and on the Italian mainland, sometimes even as field artillery guns in indirect fire roles.
The development of this gun started in 1938, when the Italian Army made a request for an anti-aircraft gun that could hit enemy bombers flying at altitudes of over 10,000 meters. During that period, Ansaldo was developing the Ansaldo-OTO da 90/50 (OTO is ‘Odero-Terni-Orlando’) for the Regia Marina and decided to create a ground version of the same cannon to speed up the development.
The first four cannons were ready on 30th January 1940. In April of the same year, they were tested at the Nettuno Shooting Area, where they proved essentially identical to the 90/50 gun tested some months before. The gun was immediately put in production by the Ansaldo.
The gun weighed 8,950 kg for the Modello 1939 towed version (6,240 kg for the gun only, not including the field mount). It had an elevation of -2° to +85° and a traverse of 360°. The rate of fire was 19 rounds per minute, while the maximum firing range was 17,400 m against ground targets, and 11,300 m against flying targets.
On the Self Propelled version, there was also a Breda Mod. 1938 machine-gun, a shortened version of the infantry Breda Mod. 1937 chambered for the 8 x 59 mm RB Breda rounds for tank use. It was mounted on an anti-aircraft support on the cabin and used to defend the vehicle from airstrikes and infantry attacks. The machine gun had a theoretical rate of fire of 600 rpm and a practical rate of fire of 350 rpm and was fed by 24-round curved top-mounted magazines.
Ammunition
The Cannone da 90/53 Mod. 1939 fired different types of 90 x 679 mmR rounds, the same as for the naval version.
Ammunition for the Cannone da 90/53 Modello 1939
Type
Mass (kg)
Quantity of TNT (g)
Muzzle velocity (m/s)
Fuze
Penetration of RHA at 90° (mm)
Name
100 m
500 m
1000 m
Cartoccio Granata Esplosiva*
HE – AA
10.1
1,000
850
Mod. 36
//
//
//
Cartoccio Granata Esplosiva*
HE – AA
10.1
1,000
850
Mod. 36R
//
//
//
Cartoccio Granata Esplosiva*
HE – AA
10.1
1,000
850
Mod. 41
//
//
//
Cartoccio Granata Esplosiva*
HE – AA
10.1
1,000
850
IO40
//
//
//
Cartoccio Granata Esplosiva*
HE – AA
10.1
1,000
850
R40
//
//
//
Cartoccio Granata Perforante
APCBC
12.1
520
758
Mod. 09
130
121
110
Cartoccio Granata Perforante
APCBC
11.1
180
773
Mod. 09
156
146
123
Granata Effetto Pronto
HEAT
**
**
**
Internal Mod. 41
~ 110
~ 110
~ 110
Granata Effetto Pronto Speciale
HEAT
**
**
**
IPEM
~ 110
~ 110
~ 110
Notes
* The same round but with anti-aircraft or percussion fuze.
** Prototypes ready for testing only in mid-1943. According to some sources, they were similar to the German 88 mm Hl.Gr 39.
There is little information about the half-tracked SPG version and none about the number of rounds transported on the Autocannone da 90/53 su Semicingolato Breda 61. The blueprints show some boxes on the rear of the vehicle, which were probably used as ammunition racks for some rounds or as spare equipment boxes.
It is plausible that, as for the other autocannoni, the majority of the ammunition would have been transported in other vehicles. As an example, the batteries of Autocannoni da 90/53 had in their organic strength, apart from the 4 autocannoni and 13 logistic vehicles and other material, one more heavy truck for each autocannone which carried 210 90 mm rounds, for a total of 920 rounds for each battery.
The Autocannone da 90/53 su Autocarro Semicingolato Breda da 8t
On the half-tracked self-propelled gun, the chassis would be unchanged, but the rest of the vehicle would be modified.
The engine compartment would receive armor plates of unknown thickness, probably around 6 to 8.5 mm, as on similar Italian vehicles. In front, it would have sloped armored grilles to permit air intake to the radiator.
In order to allow the vehicle to maintain a low profile, the gun would have received a variable height trunnion. For anti-tank use and traveling, it would have been in a lower position and would have allowed a limited elevation. In the case of anti-aircraft fire, the trunnion would have been raised, allowing a higher elevation, exactly as on the Breda 501.
The cab was divided into two armored compartments, one for the vehicle commander and one for the driver. This permitted the 4.73 meters-long barrel to be locked between the two compartments during traveling.
Each compartment would have had a large viewport protected by a hinged armored window on the front to permit the two crew members to drive and check the battlefield. An armored door with another viewhole was on the side.
The gun crew operated on the rear platform with foldable sides. This gave more space to operate the gun during operations.
The gun was placed at the center of this platform on a variable trunnion. It would have received a frontal shield, probably 12 mm thick, to protect the crew from splinters and light weapons.
Thanks to the tracks and the sturdiness of its chassis, this autocannone could withstand the recoil stress of the 90 mm gun without needing jacks to raise it from the ground. This would have decreased the time needed for the crew to prepare the vehicle to open fire or to leave.
The armor would probably be made of armor sheets with variable thickness, from 6 mm on the sides up to 8.5 mm and maybe more on the frontal arc, in order to protect against enemy small arms fire, artillery shrapnel and splinters and high-caliber machine gun bursts from ground attack aircraft.
The gun shield would probably have been composed of 12 mm thick armor sheets. The blueprint shows that the shield was angled to better deflect small-caliber rounds.
The crew was probably composed, as on the other autocannoni da 90/53, of 8 soldiers: driver, vehicle/gun commander, a gunner, three loaders and two specialists.
The driver and vehicle commander sat in the armored cab during travel, while the rest of the crew would probably sit on the gun platform, where some foldable seats were probably placed or traveled on one of the logistic vehicles assigned to the autocannone battery. During firing, crew members from the battery’s logistic vehicles would assist the gun servants, by speeding up reloading and increasing the rate of fire.
If the course of the war had not prevented its development, the Autocannone da 90/53 su Semicingolato Breda 61 would have probably entered service in late 1943 or early 1944, too late to change the fate of the conflict, and most likely in very small numbers. Nevertheless, the vehicle would have undoubtedly provided Italian units with an adequate mobile anti-aircraft and anti-tank defense, very useful, especially in the desperate situation in which the Royal Army was forced on the Italian peninsula.
Conclusion
Even if was never produced, it is plausible to assume that the Autocannone da 90/53 su Semicingolato Breda da 8t would have answered the needs of the Italian Regio Esercito. It had the same firepower characteristics as the already existing autocannoni da 90/53, but with good off-road mobility, faster to deploy and withdraw, and more protection.
Unfortunately, the Armistice of 8th September 1943 put an end to this promising project. Like many other Italian vehicles, it remained only on a sheet of paper abandoned in an archive for the rest of its existence.
Autocannone da 90/53 su Autocarro Semicingolato da 8t Specification
Dimensions
6.9 x 2.45 x ~2.5 m
Total weight, battle ready
not specified
Crew
8 soldiers (driver, commander gunner, 3 servants and 2 specialists)
Propulsion
Breda T14 130 hp, 6-cylinders, 6,191 cm³
Range
~170 km
Maximum speed
~40 km/h
Main Armament
Cannone da 90/53 Mod. 1939 and a Breda Mod. 38 machine gun
Kingdom of Italy (1941-1942)
Truck-Mounted Artillery – 7 Converted
The Autocannone da 102/35 su FIAT 634N was an Italian truck-mounted anti-aircraft and support self-propelled gun used by the Italian Milizia marittima di artiglieria (English: Maritime Artillery Militia) under Italian Regia Marina (English: Royal Navy) in North Africa against the Commonwealth troops.
It was built by mounting some 102 mm Regia Marina (English: Royal Navy) guns taken from anti-ship batteries on the African coasts on Royal Army heavy duty trucks.
They were divided in two batteries assigned to the 101ª Divisione Motorizzata ‘Trieste’ (English: 101st Mechanized Division) and the 132ª Divisione corazzata ‘Ariete’ (English: 132nd Armored Division).
Their service was limited but, thanks to their powerful gun, they were used successfully even against British armor. Autocannone da 102/35 su FIAT 634N means Truck-mounted 102 mm L/35 gun on FIAT 634N [chassis].
Context
During the first stages of the Second World War, the Regio Esercito was involved in a military campaign against the Commonwealth troops in the vast deserts of North Africa. This campaign started on 9th September 1940, when Italian troops invaded Egypt from Libya, which was an Italian colony. During this action, it was clear for the Regio Esercito commanders in Africa that the army needed long range and well armed reconnaissance vehicles with great mobility. It also needed support vehicles armed with field guns capable of supporting Italian assault infantry units. These also had to be fast in order to move from one point to another on the battlefield, stopping the British assaults and supporting the Italian counterattacks.
For this purpose, some light trucks captured from the British troops in Cyrenaica during the first days of war were used. These vehicles were Morris CS8, Ford F15 and Chevrolet C15, all with a payload capacity of 15-cwt (750 kg). These trucks were captured in large quantities and were put back into service, with the Italian coat of arms, as supply trucks.
General Gastone Gambara, one of the Italian commanders in North Africa, ordered workshops to take some of these British lorries and modify them, mounting artillery pieces on their loading bay. This is how autocannoni appeared.
The word ‘Autocannone’ (Autocannoni plural) designated any truck equipped with a field, anti-tank or support gun permanently mounted on its cargo bay.
The first autocannone produced in significant numbers (24 vehicles) was the Autocannone da 65/17 su Morris CS8. This consisted of an old Cannone da 65/17 Mod. 1908/13 mountain gun mounted on the cargo bay of a Morris CS8 that was slightly modified stretching it by 50 cm. The gun carriage was modified, removing the spade and the wheels, and welding it on a Italian medium tank turret ring that allowed 360° traverse.
In North Africa, other autocannoni were produced with support, anti-aircraft or anti-tank guns on different types of trucks, mainly of Italian production.
Design
The FIAT 634N Truck
In 1930, FIAT developed two heavy trucks, the 632N and the 634N. The letter N stood for ‘Nafta’, or diesel in Italian. These were the first two heavy duty diesel trucks made in Italy.
The 634N truck was officially presented to the public in April 1931, during the Milan trade fair. The 634N was the largest truck produced in Italy at the time, with a maximum allowed weight of 12.5 tonnes. It was nicknamed ‘Elefante’ (English: Elephant) for its robustness, power, and load capacity. Its production, in three versions, ran from 1931 to 1939.
After chassis number 1614, the wheel rims were replaced with ones with six spokes, made of cast steel. After strengthening the rear axle, the chassis, and the leaf springs, the vehicle could carry more weight, from 6,140 kg to 7,640 kg, thus reaching a maximum total weight of 14 tonnes, with an empty weight of 6,360 kg. These modifications gave birth to the FIAT 634N 2nd series or N1, which also had the front fenders connected to the bumper. The FIAT 634N1 was produced from 1933 to 1939.
In 1933, the FIAT 634N2 version was born, with a modified cab meant to increase aerodynamics, a drop-shaped radiator grille, angled windscreen, and more rounded shapes. The load capacity and speed remained unchanged compared to the N1 version. The FIAT 634N 2nd series or N2 was produced from 1933 to 1939.
This was the first truck in Europe to be equipped with bunks for the crew. The back of the seat could be raised to form two bunks and, on request, there was a modification available to provide a third bunk, lifting the roof of the cabin.
As an example, the second company to provide a berth in the cabin was Renault with its three-axle Renault AFKD, with a load capacity of 10 tonnes. This entered service only in 1936. The third was Lancia Veicoli Industriali with the Lancia 3Ro in 1938.
The wooden cargo bay was 4.435 meters long and 2.28 meters wide. The foldable sides were 0.65 meters high, with a maximum load allowed by law of 7.640 kg, while the maximum transportable weight did not exceed 10 tonnes. The lateral and rear sides were foldable.
On the N1 and N2 versions, it was possible to tow a two-axle trailer for the transport of materials, reaching a maximum weight allowed by law of the truck + trailer of 24 tonnes. During the war, the FIAT 634N successfully towed tanks of the ‘M’ series and self-propelled vehicles on the same chassis in the Rimorchi Unificati Viberti da 15t (English: 15 tonnes Viberti Unified Trailer).
Photos taken during the war, however, show very well that the truck could load much more. Some photos show the FIAT 634N towing trailers of 3,750 kg, with tanks of 13 tonnes or more in them, and in other materials the cargo bay. This would have brought the total weight of the truck + trailer to much more than 24 tonnes.
Most of the trucks received a cab from FIAT, but Officine Viberti of Turin and Orlandi of Brescia also built bodies for some chassis. The military version was called FIAT 634NM (Nafta, Militare – Diesel, Military), but its characteristics were almost identical to the civilian versions, with the main difference being a more rustic cab.
During the Second World War, due to the Royal Army’s need for logistic vehicles, a total of 45,000 civilian vehicles in Italy were requisitioned, overhauled, repainted, re-plated, and put back into service as military vehicles. This meant that not all of the FIAT 634s in the Italian military were NM versions, but there were also civilian ones.
The big difference between the civilian and military versions was the windows. In the military version, the truck had fixed windows, different headlights and lacked the triangular placard on the roof of the cab used in the civilian models to indicate the presence of a towing trailer.
Several variants were produced on this truck chassis. There were tanker versions for fuel or water, produced by Officine Viberti and SIAV, a mobile workshop composed of three different FIAT 634Ns which carried the necessary equipment to set up a fully equipped field workshop, at least two versions for the firefighters, a horse carrier version for the army, a sand truck with tipping platform, a gas version and three different Autocannoni.
These were the 102/35 su FIAT 634N and the 76/30 su FIAT 634N, with 6 produced by the FIAT workshops in Libya during the North African Campaign. In the Africa Orientale Italiana or AOI (English: Italian East Africa), some Autocannoni da 65/17 su FIAT 634N were produced in unknown numbers by Officine Monti in Gondar together with the Autoblinda Monti-FIAT on the same chassis.
The military version could carry up to 7,640 kg of equipment, although the maximum transportable weight came to almost 10 tonnes of ammunition, provisions, or almost 40 fully equipped men.
The cargo bay could comfortably carry an Italian light tank, such as the L3 or L6/40, or the Semovente L40 da 47/32 self-propelled gun. The Rimorchio Unificato Viberti da 15t could carru any tank of the ‘M’ series (M13/40, M14/41 or M15/42) and all self-propelled guns on their chassis.
Engine and suspension
The FIAT 634N was powered by a FIAT Tipo 355 diesel engine with six cylinders in line. It had a capacity of 8312 cm³, delivering 75 hp at 1700 rpm. This was developed independently by the company thanks to the experience gained with marine engines.
From the 1086 model onward, the engine was replaced by the FIAT Tipo 355C, with a capacity of 8355 cm³. The power was increased to 80 hp at 1700 rpm thanks to an increased bore and stroke.
The fuel distribution to the cylinders was ensured by overhead valves. These were fed by an injection pump located on the right of the engine. As on many other Italian trucks of the time, the 20-liter reserve fuel tank was mounted behind the dashboard and fed the engine by gravity. In case of a fuel pump failure or problems with the main tank, the truck could still drive a few kilometers before stopping.
A pump connected to the 150-liters main tank fed the reserve tank. The main tank was mounted on the right side of the chassis. Two small electric motors were used to start the Diesel engine. The 170 liters of fuel guaranteed a range of 400 km, while the maximum speed was about 40 km/h on road.
A dry multi-disc clutch was attached to the gearbox, with four-speed plus reverse gears. The suspension consisted of semi-elliptical leaf springs on the front and rear axles. Drum brakes were pedal-operated through three vacuum boosters.
Armament
The Cannone Schneider-Ansaldo da 102/35 Modello 1914 was an Italian 102 mm L/35 naval cannon developed from the British QF 4-inch naval gun Mk V. It was used on many types of Italian military ships and submarines in the anti-aircraft and anti-ship roles. It was also used as an anti-ship coastal gun. It was also produced for the Regio Esercito as the main gun of the Autocannone da 102/35 su SPA 9000, one of the first autocannoni ever, used by the Italians during the First World War.
While the performance of the cannon was not mediocre, it was not sufficient either. Thus, already during the First World War, it was joined by the more powerful Cannone Schneider-Ansaldo da 102/45 Modello 1917 and then substituted after the war by the Cannone Schneider-Canet-Armstrong da 120/45 Mod. 1918.
After the war, the gun was no longer produced but was used in other Italian warships such as the submarines of the ‘Argonauta’ series of the 600 class entered in service in 1932 and ‘Miraglia’ seaplane carriers entered in service in 1927. It remained on board the ships and submarines produced between 1914 and 1917.
When the Kingdom of Italy entered the Second World War in 1940, 110 102 mm guns were in service, equipping the anti-aircraft batteries of the Royal Army, the Milizia per la DIfesa ContrAerea Territoriale or DICAT (English: Militia for Territorial Anti-Aircraft Defense), the MILizia Marittima di ARTiglieria or MILMART (English: Maritime Artillery Militia) and of the Guardia alla Frontiera or GaF (English: Army Border Guard). In 1940, among the armed trains of the Regia Marina, the TA 102/1/T (Treno Armato – Armored Train) was mobilized, with two ‘P.R.Z.’-type railway wagons, each armed with three Cannone da 102/35 Mod. 1914 mm guns on Vickers-Terni mod.1925 mountings.
The gun had a caliber of 101.6 mm and the barrel was 3.733 meters in height. On the autocannone FIAT 634N, different types of trunnions were used, including the Ansaldo Mod. 1925, the O.T.O. Mod. 1933 and the Vickers-Terni Mod. 1925 even if photographic evidence shows only the last two variants.
The Vickers-Terni Mod. 1925 trunnion had an elevation of +90° and a depression of -5°. The O.T.O. Mod. 1933 had an elevation of +80° and a depression of -10° while the Ansaldo Mod. 1925 had an elevation of +85° and a depression of -5°. All the trunnions had a traverse of 360°.
The firing rate was 20 rounds per minute thanks to the vertical sliding breech block. When it was necessary to fire for a long period of time, the rate of fire was dropped to 1 round every minute or even 1 round every 4 minutes, in order not to overheat the barrel and not to tire the servants.
The vehicle had two ammunition racks on the vehicle’s rear, for a total of 36 rounds carried. The 102 x 649mm R rounds had a fixed charge with a total weight of about 25 kg. It is almost sure there were more types of ammunition but, unfortunately, there is no information available.
Cannone Schneider-Ansaldo da 102/35 Modello 1914 rounds
Name
Type
Weight
Cartoccio Granata Dirompente
High-Explosive
13,427 kg
Cartoccio Granata Dirompente *
High-Explosive
13,750 kg or 13,650 kg
Navy Shrapnel **
Shrapnel
15 kg
Notes
* For anti-naval role but commonly use also by the autocannoni
** No longer in production but still used
Autocannone da 102/35 su FIAT 634N
The FIAT workshops of Tripoli, one of the biggest workshops in North Africa, modified two FIAT 634Ns between February and March 1941, adding two 102 mm guns taken from the Tobruk coastal batteries. In August, another vehicle was modified. The gun was taken from the batteries of Benghazi.
The other four vehicles were modified between April and July 1941 with cannons arriving from Benghazi and all were ready for October 1941. The trucks were modified by removing the cab roof, sides and the windshield in order to allow the cannon 360° traverse. The chassis remained unchanged.
In case of rain, the crew could protect themselves with a water-proof tarpaulin that could be opened and closed like on cabriolet cars. This tarpaulin was mounted on rods on the cab’s rear and did not obstruct the cannon’s arc of fire. The wooden cargo bay was completely removed and substituted by a steel platform on which the gun trunnion was placed.
The sides of the new platform could be lowered outward by 90° to give more working space on the platform to the gun servants when firing. On the rear, two metal racks with 18 rounds were mounted to the platform. On the racks was fixed a wooden bench where the servants and the gunner could sit during transport.
Due to the heavy stress generated by the gun’s recoil, the vehicle was equipped with four trails with manual jacks. These trails were attached to the chassis during the march. When the vehicle was placed in firing position, these were opened by 90°, a jack pad was mounted below and then the soldiers could lower the jack with a manual crank.
Operational use
With the seven Autocannoni da 102/35 su FIAT 634N, the 1ª and 6ª Batteria (English: 1st and 6th Batteries) were created with crew members taken from the IIª Legione MILMART (English: 2nd MILMART Legion) and from the Vª Legione MILMART. On 1st June 1941 the Iª Gruppo Autonomo Africa Settentrionale (English: 1st North African Autonomous Group) was transformed in the Xª Legione MILMART and assigned to both the batteries.
Each battery was equipped with a Centrale di Tiro Mod. 1940 ‘Gamma’ or the improved variant, the G1. These were stereoscopic rangefinders mounted on FIAT 626 chassis (some sources claim that these trucks were armored, but nothing certain is known). Two FIAT 666NMs were also modified by the FIAT workshops in Tripoli and used as ammunition carriers. There were probably 2 for each battery section, for a total of 4 for each battery. Along with them were other logistics and close defense vehicles, but nothing is known about these.
The two batteries were first assigned to the Corpo d’Armata di Manovra or CAM (English: Mobile Army Corps) in the Marmarica region commanded by General Gastone Gambara on 20th October 1941.
The 1ª Batteria, with three autocannoni da 105/35, and the Sezione B (English: B Section) of 6ª Batteria, with two autocannoni da 102/35, were assigned on 26th October 1941 to the 132ª Divisione corazzata ‘Ariete’. Sezione A of 6ª Batteria, with two autocannoni da 102/35, was assigned on the same day to the 101ª Divisione Motorizzata ‘Trieste’.
The batteries were also equipped with a total of six Autocannoni da 76/30 su FIAT 634N armed with a Cannone da 76/30 Mod. 1914 R.M..
The autocannoni of the 132ª Divisione corazzata ‘Ariete’ were first used in an anti-aircraft role. They gave good results, although some had problems with the elevation mechanisms and stability problems.
Their first battle they took part in was the Battle of Bir el Gobi on 19th November 1941, where they were an unwelcome surprise to the British. The autocannoni were positioned in the second line and were used to engage some tanks of the 22nd British Armoured Brigade at long-range, knocking out or destroying fifteen Crusader tanks. On this occasion, the 102/35 guns engaged the enemy armored vehicles at a range of over 1000 meters with precision thanks to the rangefinders.
On that day, of 136 tanks of the 22nd British Armoured Brigade, 25 were lost (some sources claim 42, others 57), while the Italians lost 34 tanks. 12 others were damaged and 12 artillery pieces were also lost. The autocannoni of the Ariete division were lost during the skirmishes and fights that occurred between 21st November 1941 and 2nd December 1941. The first autocannone was lost on 25th November while another was abandoned, unusable at Dir el Abid on an unspecified date. The last one of the 1st Battery and the second of the Second Section of the 2nd Battery destroyed by air attack on 4th December 1941.
The autocannoni of the Sezione A of 6ª Batteria of the 101ª Divisione Motorizzata ‘Trieste’ were used in Tripolitania and took part in the offensive of May 1942 to recapture Tobruk.
The surviving vehicles were captured by the British troops at Tobruk in November 1942.
Conclusion
The Autocannone da 102/35 di FIAT 634N was one of the improvised vehicles produced by the Regio Esercito in North Africa, where the absence of adequate vehicles was problematic. Despite only seven being produced, the design proved to be viable, with excellent firepower capable of putting any British tank in North Africa in 1941 and early 1942 out of action.
Despite the few vehicles converted, the 102 mm autocannons did, on one occasion, change the fate of a battle in favor of the Italians.
Autocannone da 102/35 su FIAT 634N specifications
Dimensions (L-W-H)
7.35 x 2.4 x ~3 m
Crew
6 (driver, commander, gunner and 3 servants)
Propulsion
Tipo 355 diesel, 6-cylinders, 8,310 cm³, 75 hp at 1,700 rpm
Kingdom of Italy (1941-1943)
Medium Armored Car – 667 Built
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In 1937, the Italian Regio Esercito (English: Royal Army) realized that the Lancia 1ZM armored cars in service in the reconnaissance units since 1915, still employed in the Italian African Colonies and in the Spanish Civil War, even if still efficient, were obsolete because they were not fast, were weakly armored and had bad off-road driving capabilities. This led to the development of the Autoblindo FIAT-Ansaldo series, of which the most prominent was the AB41.
History of the AB Armored Car Series
The Italian Army, which was one of the first armies to use armored cars in 1912 with the FIAT Arsenale, held armored cars in high esteem for their role of long-range reconnaissance vehicles for armored divisions and support to infantry actions. The armored cars used in World War I received positive comments from the Army High Command who were impressed by the usefulness of the new vehicles. Between 1918 and 1932, there were a number of prototypes of various armored vehicles which, however, led to nothing other than the 46 FIAT 611s produced by Ansaldo with a maximum road speed of only 28 km/h and a range of 180 km. Italian officers were not satisfied with the new armored vehicle which during the Second Italo-Abyssinian War, received more criticism than the older Lancia 1ZM. This led the Italian Army to give an order to all Italian companies for a new wheeled vehicle to replace the Lancia 1ZM which was being used in Spain and the FIAT 611.
Around the same time, the Polizia dell’Africa Italiana or PAI (English: Italian Police of Africa) unilaterally requested the development of an armored car for reconnaissance duties from Ansaldo to be used in the Italian African colonies of Libya and Ethiopia, where anti-colonial resistance groups were still present and light tanks could not adequately perform the long-range reconnaissance role that armored cars provided. This request was also aimed to replace the old FIAT-Terni-Tripoli and Lancia 1ZM that arrived in Africa after 1918, which by that point, had experienced 20 years of continuous service and suffered from several problems due to a lack of spare parts.
History of the Prototype
The two orders were answered by the FIAT-SPA and Ansaldo consortium, which began to develop a wheeled vehicle that would meet the requirements of the Italian Army and the Colonial Police. The feature that was most taken into consideration was the off-road driving, in fact, the vehicle used as the basis was the TM40 (Trattore Medio Modello 1940 – Medium Tractor Model 1940), a vehicle used to tow artillery, in development since 1938 which only entered service in 1942.
One of the biggest issues that had been found in the previous armored cars was the time it took to disengage from a firefight and flee, which was made harder by the narrow streets in the villages of the colonies. The problem was solved by adding another driving position on the right side of the rear of the new armored car. The steering system was then modified, allowing the front and rear driver to steer with all four wheels.
The armament was composed of three 8 mm caliber Breda Modello 1938 machine guns and placed, as on the Lancia armored car, two in the turret and one on the rear, on the left side of the rear driver. The engine was a FIAT-SPA ABM 1 6-cylinder petrol engine 78 hp.
On May 15th, 1939, the two prototypes produced, at the time called AutoBlindoMitragliatrice Modello 1940 or ABM40 (English: Machine gun Armored Car Model 1940), were presented to Benito Mussolini and the Italian Army during the inauguration of the FIAT production plant in Mirafiori, Turin together with the FIAT 626 medium truck prototype and the FIAT 666N heavy duty truck prototype.
Two weeks later, one of the prototypes was sent by sea to Africa Orientale Italiana or AOI (English: Italian East Africa), modern-day Ethiopia, Eritrea, and Somalia, where it covered 13,000 km during tests. After some modifications to speed up production, even if the tests revealed that the main armament was not powerful enough, the vehicle was accepted into service in March 1940 and ordered in the first batch of 176 units due to the imminent entry into the war, under the name of AutoBlinda Mod. 1940 (Eng. Armored Car Mod. 1940) or more simply AB40.
The first 5 vehicles were sent to the Centro di Addestramento Autoblindo (English: Armored Car Training Centre) of Pinerolo in March 1941. Twenty-four examples of the new armored car were produced with the temporary Modello 1940 turret, while a prototype was created with the Modello 1941 turret of the L6/40 light tank.
The new version, called AB41, was armed with the Cannone-Mitragliera Breda 20/65 Modello 1935, overcoming the lack of firepower of the AB40, and a more powerful petrol engine, the FIAT SPA ABM 2 6-cylinder 88 hp. The modifications increased the weight, from 6.85 to 7.4 tonnes. After a few tests, it was judged favorably by the army, which authorized its production. After a short while, the new Mod. 1941 turrets, which were already being produced for the L6, arrived at the assembly lines. The new engines took longer, as the assembly lines had to be modified, so it was decided to modify the AB40 armored cars by mounting the Modello 1941 turret on a hull powered by the FIAT SPA ABM 1 engine. These “hybrid” armored cars are indistinguishable from the AB41 from the outside, and the total production number is 435, 65% of the whole AB41 production.
The AB41 was the standard reconnaissance armored car of the Royal Italian Army which used it with excellent results in the African Campaign, the Russian Front and the Balkans from mid-1941 to September 8th, 1943. After the September 1943 Armistice of Cassibile, all the AB41s were requisitioned by the Wehrmacht, which went on to reuse them in France and Germany. Some of them were given to the Esercito Nazionale Repubblicano or ENR (English: National Republican Army), the collaborationist army of the Benito Mussolini’s Repubblica Sociale Italiana (English: Italian Social Republic), which was founded on 23th September 1943 on Italian territories still under German control. In total, about 660 were produced even after the German occupation. After the war, they were still employed by the Polizia di Stato (English: State Police), Arma dei Carabinieri (English: Arm of the Carabinieri) and the Esercito Italiano or EI (English: Italian Army) until 1954.
The Royal Army considered the AB41 to be fundamental, so it ordered FIAT to give priority to the delivery of armored cars over light tanks. According to FIAT archives, a large number of L6 were parked in the warehouses of FIAT factories for months, practically finished, but without the radio system and the optics of the cannon, because the production of these parts common to the AB41 was insufficient and priority was given to the armored cars.
Design
Crew
The crew consisted of four: the front driver, who also operated the radio when not driving, placed in the front; the vehicle’s commander who was in the turret in the middle of the vehicle, who in addition to giving orders to the rest of the crew, had to operate the main gun and control the battlefield; the rear driver on the left of the rear; and the machine gunner/radio operator, to the rear driver’s right. Throughout the war, the lack of a loader for the main gun negatively affected the performance of the armored car.
AB40 with Modello 1941 turret or AB40/41
The Italian High Command immediately found that the two machine guns in the turret could not provide adequate support fire to the infantry and did not allow the AB40s to engage other armored cars.
Ansaldo proposed to install a new turret, tht in the article it’s called Modello 1941 (even if it was produced in 1940), developed for the L6/40 light reconnaissance tank, armed with a 20 mm automatic cannon, on the chassis of the AB40.
The modifications increased the weight, from 6.8 to 7.45 tonnes, and to avoid some stress problems for the armored car caused by the extra weight, a more powerful petrol engine, the 88 hp FIAT SPA ABM 2 6-cylinder, was mounted.
Following a few tests, it was judged favorably by the army, which authorized its production. After a short while, the new Modello 1941 turrets, which were already being produced for the L6/40, arrived at the assembly lines. The new engines took longer, as the assembly lines had to be modified at the SPA plant, so it was decided to modify the AB40 armored cars by mounting the Modello 41 turret on a hull powered by the FIAT SPA ABM 1 engine. These ‘hybrid’ armored cars are indistinguishable from the AB41 from the outside.
The registers of the Ufficio Autonomo Approvvigionamenti Automobilistici Regio Esercito (English: Royal Army Autonomous Automobile Procurement Office), which lists the vehicles produced with their registration, chassis and engine number, mention the AB40 version as a vehicle still produced in 1941 and early 1942. According to these registers, the armored cars registered from plate Regio Esercito 116B to Regio Esercito 551B would be AB40, i.e. 435 vehicles, 65% of the whole AB41 production. Those with registration Regio Esercito 552B onward would be AB41s. This means that a large number of the AB40s actually had the Modello 1941 turret mounted.
Engine and Suspension
The engine in the AB40 hull version armed with Modello 1941 turret was a 78 hp FIAT SPA ABM 1 6-cylinder water-cooled inline petrol engine, while in the standard AB41, it was a 88 hp FIAT-SPA ABM 2 6-cylinder inline petrol engine cooled by a water circuit driven by a centrifugal pump. The engine cooling water tank was placed under the rear driver’s hatch on the left of the fuel reserve tank. In both ABs, the engine was coupled with a Zenith type 42 TTVP carburetor housed in the back of the engine compartment.
The two engines were designed by FIAT and produced by its subsidiary Società Piemontese Automobili or SPA (English: Piedmontese Automobiles Company) in Turin. The second engine was chosen because the new turret armed with the Breda gun increased the weight of the vehicle, from 6.85 tonnes in the AB40 with 3 machine guns to 7.4 tonnes in the AB41. Although increased by only 550 kg the performance of the first engine had decreased, decreasing the maximum speed and maximum range.
Increased engine power brought speeds to these levels:
‘AB’ armored car series velocity by gears
AB model
AB40
AB41
AB42
AB43
With engine
FIAT-SPA ABM 1
FIAT-SPA ABM 2
FIAT-SPA ABM 3
FIAT-SPA ABM 3
With gears
First gear
7.68 km/h
7.89 km/h
//
8.20 km/h
Second gear
12.88 km/h
13.22 km/h
//
14.00 km/h
Third gear
22.80 km/h
23.35 km/h
//
24.20 km/h
Forth gear
36.40 km/h
37.30 km/h
//
38.60 km/h
Fifth gear
55.60 km/h
57.06 km/h
//
59.10 km/h
Sixth gear
76.40 km/h
78.38 km/h
88.20 km/h
81.20 km/h
Note
The values of the AB40 equipped with Mod. 41 turret are not known
There were three fuel tanks with a capacity total of 195 liters. The main one, with 118 liters, was in the double bottom of the floor, the 57 liter secondary tank was mounted in front of the front driver in front of the steering wheel, while the 20 liters reserve tank was placed under the machine gun spherical support in the rear of the crew compartment.
The oil bath air filters were of satisfactory quality, giving great results even in the desert environment.
The electrical system composed of a Magneti Marelli 3 MF15 battery with 4 accumulators was used to power the 4 external headlights, the three lamps for the internal lighting and the horn placed on the front right mudguard.
The engine could be started manually using a crank or electrically with an ignition key from either dashboards.
The single dry plate clutch transmitted the movement of the drive shaft to a gearbox. The differential from which the four drive shafts departed.
The front driver had six gears at his disposal while the rear driver had only four gears at his disposal, meaning that 37 km/h was the maximum speed in this configuration.
The suspension was a four-wheel drive and four steering wheels with independent shock absorbers on each wheel which, coupled with the large diameter tires gave excellent off-road mobility to the armored cars.
Supports for extra jerry cans were mounted at the factory on the last production vehicles along with a new exhaust, being able to carry up to a maximum of 5 or 6 (three or four on the right sides of the vehicle and two on the front fenders), but there are photos of AB41 in Africa equipped with jerry cans attached to racks built and welded by the crews on the battlefield.
The engine compartment was well cooled with grilles on the engine deck, right behind the rear armored plate of the superstructure, grilles on maintenance hatches, and inclined grilles on the rear for the radiator’s water cooling. It should also be considered that the lack of a bulkhead allowed for easier cooling.
Hull and Armor
The armor on the entire hull and superstructure consisted of bolted plates. This arrangement did not offer the same efficiency as a mechanically welded plate but facilitated the replacement of an armor element in case it had to be repaired. The hull was 9 mm thick, front, sides, and rear while on the turret, the bolted plates reached a maximum thickness of 40 mm on the front plate and 30 mm on the sides and back. The wheel fenders were also armored to prevent enemy fire from piercing the tires.
In general, for the tasks the armored car had to perform, the armor was more than adequate, protecting the crew from enemy infantry light weapons.
The hull of the armored car had an internal structure on which the plates were bolted. At the rear of the superstructure were the two armored access doors, divided into two parts that could be opened separately. The upper part had a slit so that the crew could use their personal weapons for close-quarters defense. On the left was the antenna, which rested on a support at the back of the superstructure. In fact, to open the upper part of the left door, it was necessary to raise the antenna a few degrees.
On the right, the horn was placed at the front, a pickaxe was placed on the right side and the exhaust pipe was placed on the rear wing. The two spare wheels were placed in two fairings on the sides of the superstructure. In the ‘Ferroviaria’ version, the support in the fairing allowed to attach two wheels on each side. Above the engine compartment, there were two air intakes and two hatches for engine maintenance. On the back were the cooling grille and the two rear lights.
Radio Equipment
The radio system mounted on vehicles built before March 1941 is unknown. The Transceiver Station model RF 3M, produced by Magneti Marelli, which was installed on all vehicles of the AB series from March 1941 onwards, was placed on the left wall of the superstructure, in the middle of the crew compartment.
The RF 3M consisted of a transmitter placed on a shelf on top of the receiver placed on another shelf on the spare wheel fairing. Underneath them, on the floor, the power supplies and accumulator were placed, while the batteries were placed in the double bottom of the floor. There were two pairs of headphones and microphones for the interphone, one which was used by the front driver and the second by the rear machine gunner. The mounted antenna could be lowered to 90°. When ‘hoisted’ up, it was 3 m high but could reach 7 m fully extended with a maximum range of 60 km and 25/35 km when 3 m high.
Some armored cars received an RF 2CA radio, also produced from Magneti Marelli, with the antenna mounted on the rear of the fighting compartment, but, apart from the antenna mount, there were no external differences between the normal AB41 and the command version. The RF 2CA was used for communications among tank squadron commanders, so it is logical to assume that the AB41 equipped with this type of radio were used by squadron/company commanders.
The Stazione Ricetrasmittente Magneti Marelli RF 3M operated in graphic (Morse Code) and voice mode on frequencies from 1,690 to 2,790 kHz. The transmitter was 350 x 250 x 250 mm with a weight of 14.2 kg while the receiver was 350 x 220 x 195 mm with a weight of 8.4 kg. It was produced from 1940 and was later updated in 1942, under the new name RF 3M2 Modello 1942 with some internal improvement and a different front panel. Maximum communication range increased to 70 km.
The Stazione Ricetrasmittente Magneti Marelli RF 2CA operated in graphic and voice mode. Its production began in 1940 and had a maximum communication range of 20-25 km.
Interior
Apart from the frontal slit and the episcope, the front driver had in front of him the steering wheel, the dashboard, the 57-liter tank, and brake fluid tank.
On his right was the gear lever with 6 gears, the hand brake, the intercom panel, and the directional control lever which, when lowered, allowed the rear driver to take control of the vehicle. On the left, at the top, there was a crank that facilitated the raising or lowering of the radio antenna.
On either side, above the wheel fairings, there was a headlight on armored hinges that were raised and lowered by the driver with two levers.
Behind the driver’s seat, with a foldable backrest, there was the position of the vehicle commander/gunner. The position did not have a turret basket and the commander/gunner operated the cannon and the machine gun by the use of pedals. There were no electric generators in the turret, so the cables that connected the pedals to the weapons in the turret were the ‘Bowden’ type cables, the same as on bike brakes. On the sides of the hull were the ammunition racks that occupied most of the free space on the interior sides of the superstructure.
On the right was a large container that was used to store the crew’s personal belongings and equipment, whilst fixed on the outside of the container was the support for the spare barrels for the machine guns.
Behind the racks, there was additional room for a couple of small containers for equipment and three fire extinguishers, two on the left side, and one on the right side.
At the back were the rear driver’s position on the left and the machine gunner’s on the right. Their seats were foldable and the steering wheel was secured with a butterfly screw which was easily removable, to facilitate crew access and exit. Between the two seats were the dashboard, gear lever with 4 gears, hand brake, and the directional control. The intercom panel was between the slit and the machine gun ball support. Between the two crew members and the engine compartment, there were two tanks, on the right a 20-liters fuel tank and on the left, one for the engine cooling water. Under the machine gunner, there was the vehicle’s power battery and to the right of the machine gun, the headphones, and the radio microphone.
Behind them, there was the engine compartment which was not easy to access for maintenance because it had only two access doors. Behind the engine, there were the radiator and the oil tank.
Turret
As aforementioned, the AB41 turret was the Mod. 1941 developed and produced by Ansaldo for the L6/40 light tank. The one-man turret had an octagonal shape with two hatches: one for the vehicle’s commander/gunner on the roof and the second one on the back of the turret, used to facilitate the disassembly of the main armament during maintenance operations. On the sides, the turret then had, in addition to two slits, two air intakes as the vehicle did not have fans or smoke extractors. On the roof there was a periscope for the commander next to the hatch, which allowed him a partial view of the battlefield because it was impossible, due to the limited space, to rotate it 360°. After some time it was realized that the turret had some balance problems, so a counterweight was put on the back, under the rear hatch.
Primary Armament
The main armament was the Cannone da 20/65 Breda Mod. 1935 L/65 with a rate of fire of 220 rounds per minute with an x1 sight produced by the San Giorgio Optics Factory. The elevation was +18° while the depression was -9°. The Breda cannon could fire Armor Piercing (AP) and High-Explosive (HE) rounds of Italian production caliber 20 x 138 mm, but also those used by the German FlaK 38 cannon and the Solothurn S18-1000 anti-tank gun, increasing the anti-tank capacity of the cannon. With the Italian armor-piercing bullets, the Mod. 1935 cannon could penetrate a 38 mm armor plate inclined at 90° at 100 mmeters and a 30 mm armored plate at 500 meters. With German Pz.Gr. 40 ammunition, it could penetrate a 50 mm armor plate inclined at 90° at 100 m and a 40 mm armored plate at 500 m.
Secondary Armament
The secondary armament consisted of two Breda Modello 1938 8 mm caliber machine guns, the first coaxial to the cannon, on the left, and the second in a ball support on the rear of the vehicle. These machine guns were the vehicle version of the Breda Mododello 1937 medium machine gun and had a top-mounted curved box magazine with 24 rounds.
The machine gun at the rear had an x1 optics and could be disassembled and used in an anti-aircraft position. For the whole duration of the African Campaign, the AB41 crews used a variety of handcrafted supports for anti-aircraft machine guns. Often, machine guns captured from the Allies, such as the Browning M1919 or Bren gun, or other Breda Mod. 1938s taken from Italian vehicles destroyed in combat, were used in these mounts. From 1943 onward, an anti-aircraft support for the AB41 was produced by Ansaldo, but very few were produced and not much is known about their use.
From 1943 onwards, a smoke grenade launcher mounted on the side of the engine compartment and a box containing the smoke grenades were added on the back of the armored car. It is not clear if the last AB41s delivered to the Royal Army were equipped with them or if only the Germans used them.
Ammunition
The ammunition on the AB41 armored car consisted of 38 magazines of 12 rounds (for a total of 456 rounds) of 20 mm and 83 magazines of 24 rounds (for a total of 1,992 rounds) of 8 mm. As aforementioned, the magazines were placed in white painted wooden racks on the sides of the hull, 14 20 mm magazines and 40 8 mm magazines were placed on the left side together with the radio and intercom of the commander. The remaining 24 20 mm and 45 8 mm magazines were placed on the right side.
In the one-man turret, there was no space for a loader and it was the vehicle commander who had to load the cannon in addition to commanding and firing the cannon, even though it was not uncommon for one of the two drivers, when not driving, to pass the magazines to the commander to facilitate loading.
Tires
The tires used on the AB41 were produced by the Pirelli factory in Milan, as were almost all the tires on Italian vehicles. Pirelli produced several tires for the 60 cm (24″) rim used on the TM40 transport vehicles and also AB series armored cars.
Three types of tires were used for the African campaign, the most common being the Pirelli Tipo ‘Libia’ 9.75 x 24″ (25 x 60 cm). There was also the Tipo ‘Libia Rinforzato’ with the same dimensions but run-flat and the Tipo ‘Sigillo Verde’ introduced in 1942 for the Camionetta FIAT-SPA AS42 and rarely fitted on armored cars.
For the use on ‘continental’ soils, such as Italy, the Russian steppes, France, and Germany, AB41s instead used the Pirelli Tipo ‘Artiglio’ 9 x 24″ (22.8 x 60 cm), Tipo ‘Artiglio a Sezione Maggiorata’ 11.25 x 24″ (28.5 x 60 cm) and finally, from 1942 onwards, the Pirelli ‘Raiflex’ tires. There is photographic evidence that shows AB series armored cars fitted with the AS42’s specific tires and vice versa, as, due to the troublesome supply lines of the Royal Army and the Republican Army, the crews were not always supplied with spare wheels. Some photographs show armored cars with non-standard tires of German or Allied origin of a suitable size.
Flaws of the AB41
The AB41 was a well-designed vehicle but it was not without its flaws The steering system was very delicate and forced the crews to make continuous and long overhauls to make it continuously efficient. The mechanism which allowed the dual drive took up a lot of space inside the vehicle, thus making it very cramped.
The turret Mod. 1941 suffered from several problems too. It was very tall, therefore causing problems as it was easier to spot even at long distances and for balance. This latter issue was solved in the middle of 1942 with the addition of a counterweight on the back. Furthermore, it did not have a fume extractor but instead only two air intakes, often causing the gunner to become intoxicated. The turret was also very narrow, making loading very difficult.
The AB41 had a one-man turret, forcing the commander to perform too many tasks, including locating targets, firing, loading the cannon and giving orders. This obviously caused many problems for the commander, whose task was made even harder by the lack of a laryngophone and was forced to give orders through the intercom placed on the left side of the superstructure.
During the war, the Italian war industry failed to provide an adequate amount of high-quality ballistic steel armor for the Italian Army, in fact, the crews often complained about the armor on armored cars, which in some instances, during off-road marches, cracked whilst traversing rough terrain.
Although the armor was thick enough to defend the crew from light infantry weapons, making it adequate for a reconnaissance vehicle, due to the lack of suitable vehicles and the lack of organization, the Italian Army often employed the armored car as a vehicle to break the enemy’s defensive lines. This caused a lot of losses, as these long-range reconnaissance vehicles were an all too easy target even for anti-tank rifles that could penetrate the armor of the armored cars of the AB series over 100 meters away.
When having to attack enemy positions, the crews often advanced with their vehicles facing backward, as the rear-facing machine gun provided superior offensive capabilities and the presence of the engine at the rear increased the armor protection for the crews, even if making the vehicle as a whole more vulnerable.
The 20-liter reserve tank was not protected by an armored bulkhead, a problem which was never solved and the risk of fire was always very high. Even during the use in the desert, this problem worsened because the heat emitted by the engine forced the crews to keep the doors and the hatches open to allow the crews to properly breathe. In one occasion, on 21st November 1941, during a reconnaissance mission on board of a Polizia dell’Africa Italiana AB41 armored car, the radio operator, Guardia Mario Sforzini, was hit by grenade splinters because the crew kept the hatches opened due to the heat.
The problem of the heat generated by the engine certainly benefited crews in the Soviet Union and the Balkans during the rigid winters.
One interesting fact is that crews of the armored cars deployed in the North African deserts often did not fill the reserve tank and relied on externally transported 20 liters jerry cans of the same capacity to avoid the risk of fire.
Production and Organization
Many companies competed in the production of the ‘AB’ series armored cars: Società Piemontese Automobili of Turin produced the chassis and the engines. Lancia of Turin produced a small percentage of chassis; San Giorgio of Sestri Ponente near Genoa produced all the optics devices of the armored car; Magneti Marelli of Corbetta, near Milan, produced the radio system, batteries, and engine starter; the armor plates were produced by Società Italiana Acciaierie Cornigliano or SIAC (English: Italian Steelworks Company of Cornigliano); Società Italiana Ernesto Breda per Costruzioni Meccaniche of Brescia produced the automatic cannons and machine guns; and Ansaldo-Fossati of Sestri-Ponente assembled the hull and produced the turrets.
Companies that participated in the production of the Autoblinda AB41
Name
Place
Production
Fabbrica Italiana Automobili di Torino (FIAT)
Turin
Brakes
Società Piemontese Automobili (SPA)
Turin
Engines and frames
Lancia Veicoli Industriali
Turin
Frames
Zenith
Turin
Carburetors and fuel filters
Società Italiana Ernesto Breda per Costruzioni Meccaniche
Brescia
Machine guns
Magneti Marelli
Corbetta and Sestri Ponente
Engine starter, radio systems, and batteries
San Giorgio
Sestri Ponente
Optics devices
Società Italiana Acciaierie Cornigliano (SIAC)
Cornigliano
Armor plates
Pirelli & Company
Milan
Tires
Brevetti Ferra
Turin
Fire Estinguisher
Costruzioni Aeronautiche Officine Meccaniche e Fonderie
Somma Lombardo
Petrol pump
Industria Radiotecnica Italiana
Rome
Intercom
Ansaldo
Sestri Ponente
Final assembly
Duco
Milan
Paint
In the ten months of 1941 during which the AB41 was produced, only 250 were delivered to the army, with an average monthly production of 25 armored cars out of 30 planned. In total, 269 chassis were produced by Società Piemontese Automobili and 282 armored superstructures by the Ansaldo-Fossati plant in 1941. In 1942, 302 AB41 armored cars were delivered to the army, also with an average monthly production of 25 armored cars. In 1943, due to various problems, between January and July, only 72 were delivered to the army, an average production of only 10 armored cars per month.
Under German Generalinspekteur der Panzertruppen (English: Inspector General of the Armed Forces) on 13th November 1943, production was resumed after German’s evaluations for the Wehrmacht and totalled 23 AB41s produced until December 1944.
AB41 production during the war
Year
1941
1942
1943
November 1943 to December 1944
Total
Average production per year
250
302
92
23
667
Average production per month
25
25.16
6
1.6
14.5
In late 1942 and early 1943, the Regio Esercito began evaluating which vehicles to prioritize for production and which others to give less attention to. The High Command of the Regio Esercito, well aware of the importance of the medium reconnaissance armored cars of the ‘AB’ series, ordered to give precedence to the production of the AB at the expense of the L6/40 reconnaissance light tanks.
This led to a drastic decrease in the production of this type of light tanks. When the L6/40s came out from the assembly line, there were not enough San Giorgio optics and Magneti Marelli radios for them because these were delivered with priority to the AB41s. This left the Società Piemontese Automobili’s plant’s depots, where the L6s were produced, full of vehicles waiting to be completed.
The AB41 armored car units were composed, aside from rare exceptions, of coppia (English: couple) consisting of 2 armored cars, plotone (English: platoon) composed of 2 couples, compagnia (English: company) or squadrone (English: squadron) composed of one command platoon (one command car) and four platoons, for a total of 17 armored cars, and Gruppo (English: group) or Battaglione (English: battalion) composed of one command company or squadron and from two to four companies or squadrons, for a total of 35 or 69 armored cars.
Prospective armored car crew members were assigned to cavalry schools and to armored Bersaglieri schools (Bersaglieri were the Italian assault infantry). The cavalry used squadrone and gruppi nomenclature, while the Bersaglieri used battaglioni and compagnie nomenclature, even if the sources often do not pay attention to this detail.
During a march, a platoon had three different types of formations: the standard column, with one armored car behind each other; a line, with all lined up side-to-side; and the stormo (English: wing), in which the four armored cars formed a ‘V’ shape pointing backward.
Companies and battalions had other types of formations. These could be the 17 vehicles forming a long column or four lines composed of four AB41s in a column, with the command armored car in front. They could also form a bigger stormo or a rhombus.
The maximum distance between each armored car could not exceed 100 meters, but, in case of air strikes, this would be extended to 200 meters.
For vehicle repairs and recovery, each squadron or company had a Modello 1938 mobile workshop, composed of two heavy trucks, a heavy duty Lancia Ro NM or Lancia 3Ro recovery truck and a SPA 38R light recovery truck.
In late 1941, the Regio Esercito designated a list of units that needed to be equipped with the AB41 armored cars. Each Italian armored division’s reconnaissance group needed a group or battalion with 35 AB41s, totalling 175 armored cars. Each mechanized division’s reconnaissance group was given 26 AB41s, a total of 208. A company or a squadron plus another platoon (17 + 4 armored cars) were needed for each of the 8 different army corps, 168 armored cars in total. A platoon plus a command armored car (8 + 1 armored cars) were needed for each Italian infantry division’s reconnaissance group. A total of 650 armored cars were needed to be produced. At the theoretical rate of 30 armored cars per month, this would take 21 months, just under 2 years.
However, the Italian Army had not considered the Balkan theater, where some AB units were assigned to fight against the Yugoslavian partisans.
In very late 1942, the AB41 received some small upgrades, the most important ones were the new muffler and some 20 liters cans supports, one on each frontal mudguard and 3 or 4 on the right side of the superstructure. In general, the can’s supports were rarely used on the upgraded ABs, as when they entered service in early 1943, the North African Campaign, where the need to increase range was necessary, had concluded, and none of the upgraded AB41s was ever sent across the Mediterranean to Africa.
Service History
Regio Esercito – North Africa
In late 1941, the RECAM was equipped with an experimental armored car platoon from the Gruppo Squadroni Corazzati ‘Nizza’ (English: Armored Squadron Group). This unit was not destroyed by the German air strike, but, due to the very limited number of armored cars assigned to it, by January 1942, it was disbanded.
On 26th April 1942, RECAM was disbanded, and, in its place, the Raggruppamento Celere Africa Settentrionale (English: North African Fast Group) was created.
It was composed of two Gruppi Celeri (English: Fast Group), each composed of an armored car squadron with 24 AB41s with FIAT-SPA ABM 1 and standard AB41 armored cars, one Gruppo Batterie da 65/17 Autoportate (English: Truck-mounted 65/17 Battery Group), one Gruppo Batterie da 75/27 Mod. 11 Autoportate, one Gruppo Batterie da 100/17 Autoportate, and one Batteria Antiaerea da 20/65 (English: 20 mm Anti-Aircraft Battery). These units were supported by 2 infantry battalions and a logistic unit.
Strangely enough, there is some unclear information about where the armored cars of the Raggruppamento Celere Africa Settentrionale came from. A total of 48 armored cars are claimed to have come from the III Gruppo Esplorante corazzato ‘Cavalleggeri di Monferrato’ or GECo (English: 3rd Armored Exploration Group) which, however, was sent to Africa in July with 18 armored cars and arrived in August 1942, under the command of Major Riccardo Martinengo Marquet. The Raggruppamento Celere AS was disbanded in May 1942.
Some sources claim that the unit was equipped with an unknown number of armored cars from the III Gruppo Corazzato ‘Nizza’ (English: 3rd Armored Squadron Group) that was formed in Turin in July 1941 and sent to Africa “during 1942”. It is plausible that the unit was equipped with a few armored cars from this unit or from others.
In the book ‘La meccanizzazione dell’Esercito fino al 1943’ by Lucio Ceva and Andrea Curami, it is stated that 20 AB41s with FIAT-SPA ABM 1 and standard AB41 armored cars arrived in Africa in February 1942 and another 63 in April of the same year. The same book reports that, in May 1942, there were a total of 93 armored cars in North Africa, assigned to various units:
The III Gruppo Corazzato ‘Nizza’, with a theoretical organic strength of 47 armored cars, but equipped with 38 in service (serviceable or needing repairs). VIII Reggimento Bersaglieri Corazzato, also with a theoretical organic strength of 47 armored cars, but equipped with 31 in service (serviceable or in need of repairs).
The 3ª Compagnia della Polizia dell’Africa Italiana, with a theoretical organic of 10, but the exact number of armored cars is unknown.
Considering that, of 93 armored cars, 69 were assigned to the first two units, this means that the remaining 24 armored cars in North Africa were assigned to the 3ª Compagnia della Polizia dell’Africa Italiana and to the Raggruppamento Celere AS. This number was less than half compared to the 48 armored cars theoretically assigned to them.
III Gruppo Esplorante Corazzato ‘Cavalleggeri di Monferrato’
The III Gruppo Esplorante Corazzato (GECo) ‘Cavalleggeri di Monferrato’ was created in April 1941 at the Deposito Reggimentale (English: Regimental Depot) of Voghera in Lombardia. The Group was composed of two armored car squadrons and was assigned to the 131ª Divisione Corazzata ‘Centauro’ (English: 131st Armored Division) as a reconnaissance unit. It was then assigned to the XXI Corpo d’Armata (English: 21th Army Corps) stationed at Agedabia, in the Sirte district.
In September 1942, the GECo took part in the occupation of the Jalo Oasis in Cyrenaica, Libya, and then the Siwa Oasis in Egypt, together with the 136ª Divisione Corazzata ‘Giovani Fascisti’ (English: 136th Armored Division). After the defeat of the Axis troops in the Second Battle of El Alamein (23rd October – 5th November 1942), the III Gruppo Esplorante corazzato ‘Cavalleggeri di Monferrato’ fought in southern Tunisia against Allied armored units.
In late 1942, the group consisted of one armored car squadron, a batteria autocannoni (English: autocannon battery) with captured Morris CS8 light lorries, a motorized company with 47 mm anti-tank cannons, a Willys platoon with captured Jeeps, 20 officers, 16 NCOs, and 213 soldiers.
The equipment consisted of 14 AB41 with FIAT-SPA ABM 1 armored cars, 6 Willys Jeep, 4 Autocannoni da 65/17 su Morris CS8, 3 Lancia RO heavy duty trucks, 4 FIAT 666NM heavy duty trucks, 2 motorcycles, 1 ambulance, 2 FIAT 626NM medium trucks, 1 FIAT-SPA 38R light truck, 1 Morris CS8 light lorry (probably a 65 mm ammunition carrier), 1 staff car, 17 Cannoni Breda da 20/65 Mod. 1935 anti-aircraft autocannons, 18 Breda Mod. 37 medium machine guns, and 2 Cannoni da 47/32 Mod. 1935 anti-tank guns.
Although it was a reconnaissance unit, after late 1942, it was used to counter the attacks of the British Long Range Desert Group (LRDG). It managed to capture the LRDG commander, Lieutenant Colonel David Stirling, on 20th January 1943, near Al Ḥāmmah (now El Hamma), an oasis town in the south of Tunisia.
After this very lucky action that earned the unit the praise of their German comrades in arms, the GECo was employed in reconnaissance actions in southern Tunisia from 15th February to 17th April 1943, in the areas of Dour-Kébili and Bir Sultane, on the right wing of the Mareth defensive line. During the Battle of Al Ḥāmmah, in March 1943, it actively participated in the retreat from the area of Kebili, fighting against the Free French forces and the 1st King’s Dragoon Guards.
On 29th March, the 3rd Group, deployed in Kebili, was hit by two enemy units equipped with armored fighting vehicles. It was able to oppose their attacks, protecting the retreat of the Raggruppamento Sahariano ‘Mannerini’ (English: Saharan Group) and then carrying out considerable reconnaissance activities for the new defensive line, 24 km to the rear of Gabès, at Wadi Akarit.
On 8th April, with a company of the Raggruppamento Sahariano ‘Mannerini’ and the II Gruppo of the 21º Artiglieria (English: 21st Artillery), it formed a combat group that went to Garaet Fatuassa, where it fought against enemy reconnaissance and sabotage units.
On 13th April during one of these fights in the town of Djebibina, it captured prisoners and armored vehicles from an enemy unit, probably one of the LRDG.
On 22nd April, the commander of the 1ª Armata italiana (English: 1st Italian Army), General Giovanni Messe, decided to reinforce the ranks of the Raggruppamento Esplorante Corazzato (R.E.Co.) ‘Cavalleggeri di Lodi’ (English: Armored Exploration Group) ,which had lost, in 5 months of fighting, 50% of its soldiers and 60% of its armored fighting vehicles. All the remaining armored units in Tunisia, including the III Gruppo Esplorante corazzato ‘Cavalleggeri di Monferrato’, fought in the Defense of Cape Bon until the surrender of the Axis troops in Tunisia, which took place on 13th May 1943.
Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’
On 15th February 1942, at the Scuola di Cavalleria of Pinerolo, the Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’ was founded under the command of Colonel Tommaso Lequio di Assaba. The first unit that complete the training was the ‘I Gruppo A di Savoia Cavalleria’, which was deployed in the area of Pontinia, under the orders of Major Prince Vitaliano Borromeo Arese, employed in coastal defense with 4 squadrons and a command platoon.
This unit was accompanied by the ‘Gruppo Corazzato di Addestramento’ (English: Armored Training Group) of the Cavalry School, located in None, under the orders of Major Ettore Bocchini Padiglione.
The units were completed with tank drivers and soldiers taken from other regiments and from the School, with a prevalence of those who had attended training courses for armored cars. The Gruppo Squadroni Corazzati ‘Nizza’ had already trained crews for 3 squadrons.
On 15th April, the General Staff of the Royal Army decided that a Gruppo Semoventi M41 da 75/18 (English: M41 Self-Propelled Guns Group) with 2 batteries was to be assigned to the RECo.
In the spring, the Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’ was sent to the area of Pordenone, at the orders of the 8ª Armata Italiana, waiting to leave for the Russian front. By order of the General Staff of the Royal Army, on 19th September, the destination was changed to North Africa, to the XX Corpo d’Armata di Manovra, for the defense of the Libyan Sahara.
Initially, however, only the equipment of the Squadrone Carri Armati L6/40 (English: L6/40 Tank Squadron) arrived in Africa, with personnel transferred by air. This was meant for the Oasis of Giofra. The other convoys were attacked during the crossing from the Italian mainland to Africa, causing the loss of all the equipment of the Squadrone Semoventi L40 da 47/32 and the rest of the Tank Squadron could not leave until much later, after the tanks were replaced by AB41 armored cars. They reached the Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’ in mid-November, while another ship was diverted to Corfu, then reaching Tripoli.
The remaining personnel, airlifted from the airports of Sciacca and Castelvetrano between 20th and 25th November, were attacked by US-made fighters that inflicted heavy losses.
When the first units of the R.E.Co. ‘Cavalleggeri di Lodi’ reached Tripoli on 21st November 1942, the Anglo-Americans had landed in French North Africa. At that point, the task of the R.E.Co. changed from the defense of the Libyan Sahara to the occupation and defense of Tunisia. Once gathered, the regiment left for Tunisia.
On 24th November, after leaving Tripoli, the units of the R.E.Co. ‘Cavalleggeri di Lodi’ reached Gabes, and then, on 25th November, occupied Médenine, where the command of the I Gruppo was then stationed, with the 2º Squadrone Motociclisti (English: 2nd Motorcycle Squadron) and a platoon of anti-tank guns. The 1° Squadrone Motociclisti, the armored car squadron and the anti-aircraft gun squadron instead went to Gabes, sustaining losses to Allied air attacks during the march.
The regiment was divided as follows: elements in Gabes, with the commander, Lequio, the main part of the I Gruppo in the Tunisian south, all with the 131ª Divisione Corazzata ‘Centauro’ (English: 131st Armored Division), the Squadrone Carri Armati L6/40 in the Libyan south, temporarily assigned to the Raggruppamento Sahariano ‘Mannerini’.
A part of the RECo ‘Cavalleggeri di Lodi’ was still in Italy.
The units assigned to the 131ª Divisione Corazzata ‘Centauro’ took part in the Battle of Tebourba. During the final phases, they were deployed, together with the 1ª Divisione di Fanteria ‘Superga’ (English: 1st Infantry Division) in the sector of Gafsa-el Guettar.
On 27th November, by order of German general Nehring, the whole sector of Gabes, with the detachments of Médenine and Fountatuine, were entrusted to Colonel Lequio, who had to go as far as Kébili to handle the communication lines.
In the area of Gabes, the units of the Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’, with the command unit, a motorcycle squadron, armored car squadron, and anti-aircraft squadron, carried out reconnaissance in the area south and north of Chott El Fejej and escort duties to the columns between Gabes and Sfax, a road threatened by units of the LRDG. They then participated in the occupation of Oudref-Achichina-El Hafay to improve the situation in Gabes.
The I Gruppo Squadroni, reinforced by two companies of the LX Battaglione Mitraglieri Autocarrato and by the Sezione Mobile d’Artiglieria da 76/30, garrisoned Medenine and Foum Tatahouine. They also occupied the narrows of Ksar El Hallauf, scouted the mountains of Ksour and sent motorcycle patrols up to Kebili.
On 9th December 1942, Kebili was occupied by a group made up of one platoon of the armored car squadron, one L6/40 light tank platoon, two 20 mm anti-aircraft platoons, the Sezione Mobile d’Artiglieria and two machine gun companies. These were followed two days later by the 2º Squadrone Autoblindo (English: 2nd Armored Car Squadron) in order to reinforce the garrison and to extend the occupation up to Douz, thus holding under control the whole territory of the Caidato of Nefzouna. The commander of the vanguard was second lieutenant Gianni Agnelli of the armored car platoon. From December 1942 to January 1943, the I Group, 50 kilometers away from the main Italian base, in a hostile area and in difficult terrain, continued intense operations in the whole area of the great Chotts and the southwest territories.
The tank squadron, composed of L6/40s, stationed in the area of Giofra and then Hon, received orders from the Comando del Sahara Libico (English: Libyan Sahara Command) on 18th December 1942 to move to Sebha, where it passed under its command, constituting the Nucleo Automobilistico del Sahara Libico (English: Automobile Squad of the Libyan Sahara), with 10 armored cars.
On 4th January 1943, the retreat from Sebha began. The Squadrone Carri Armati L6/40, after having destroyed all the tanks for lack of fuel, reached El Hamma on 1st February, where the squadron rejoined its I Group.
A fundamental role that the Italian scouting units played in Tunisia was to monitor, find, and destroy the enemy scouting units, so as to interfere with enemy information gathering.
Another role played by the unit was anti-aircraft fire, which shot down a Lockheed P-38 Lightning, a Bristol Beaufighter and an American four-engine aircraft, probably B-17 or B-24, whose crew was entirely captured before they could destroy the aircraft. This last plane, originating from Algeria and bound for the Middle East, had a new type of optical device on board, which was found intact and sent to Army Headquarters. Two American fighters were also shot down at Mezzauna by a platoon of 20 mm automatic anti-aircraft guns and a platoon of armored cars fought against enemy armored vehicles near Krechen.
At the end of January 1943, the units of the RECo ‘Cavalleggeri di Lodi’ in the Gabes sector (RECo command, 1º Squadrone Motociclisti, an Armored Car Squadron, a half squadron of 20 mm anti-aircraft guns) were passed over to the 50ª Brigata Speciale di Fanteria (English: 50th Special Infantry Brigade). Together with the III Gruppo corazzato ‘Monferrato’ of the Raggruppamento Sahariano ‘Mannerini’, they moved further north, to the area of Triaga Fauconnerie. The units of the I Group remaining in the area of Kebili passed to the 131ª Divisione Corazzata ‘Centauro’.
On 23rd February 1943, the remains of the Italian-German Armored Army were included in the new 1ª Armata Italiana (English: 1st Italian Army), under the command of Italian General Giovanni Messe.
During the Battle of Kasserine Pass, all the units of the Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’ were engaged, starting from the preliminary operations until the end of the offensive. In cooperation with the 21. Panzer Division, they occupied the passes of Kralif, Rabeau, and Faid, the starting point for the attack of Sidi Bou Zid. The garrison of Kebili, with a special division and a company of German Fallschirmjäger under the 131ª Divisione Corazzata ‘Centauro’, contributed to the occupation of the important command center. The 1º Squadrone Motociclisti, which had followed the 21. Panzer Division, was employed in the area of Raban and Kralif. Between 10th and 19th March 1943, the reconnaissance activity became even more intense.
The I Group, under the 131ª Divisione Corazzata ‘Centauro’, defended the city of Gafsa. Between 24th February and 17th March, the 2° Squadrone Motociclisti and one Armored Car Platoon attacked the enemy scout units in various locations on the road to Sidi Bou Said on a daily basis.
During the defensive and counter-offensive battle, which took place between 21st March and 7th April east and southeast of El Guettar, the 2° Plotone Autoblindo distinguished itself by capturing several enemy armed Jeeps in the Wadi Halfay area.
On 10th March, in order to prevent any enemy attack from the west and south, part of the 1st Group, which had occupied Douz on 6th March, moved to Kebili, then moved 26 km to El Hamma on 14th March, and was subjected to fierce aerial bombardment until 26th March. An offensive of the British 8th Army caused the capture or destruction of all the units of the group employed in this action.
The group was reconstituted with the Gruppi Corazzati ‘Nizza’ and ‘Monferrato’, with a Batteria Semoventi M41 da 75/18 and one with Autocannoni da 65/17 su FIAT 634N.
On 9th April 1943, the retreat of the German’s 5. Panzerarmee to the north resulted in the outflanking of the 1st Italian Army. The Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’ blocked the British attacks from Hammam Lif, on the road to Tunis, effectively delaying the enemy troops in order to cover the retreat of the 1st Army.
After the Battle of Mareth and the retreat of the front to the area of Enfidaville, the armored car patrols of the RECo continued their engagements with enemy reconnaissance units, also fighting a brief battle at the Bled Dicloula pit. They fell back between 9th and 12th April to Kairouan, then through Djebibina and Ben Saidana to Zaghouan.
In this action, the armored cars under the command of Lieutenant Masprone and the Plotone Semoventi L40 da 47/32 of Lieutenant Birzio Biroli claimed to have inflicted 22 tank and an unknown number of armored personnel carriers and other vehicle losses on the enemy.
On 13th April 1943, the 2º Squadrone Motociclisti, along with a 20 mm AA gun platoon, was assigned to the 16ª Divisione fanteria ‘Pistoia’ in order to reinforce the Gebel Gargi stronghold, west of Tarhuna. The III Gruppo corazzato ‘Lancieri di Novara’ was reduced to a machine gun section.
On 21st April, the remains of Gruppo I returned to the RECo. On 22nd April 1943, the command of the 1st Army decided to unite all the Italian mechanized elements in the RECo. In some sources, the unit is also designated as Raggruppamento Sahariano ‘Lequio’, from the name of its commander. The unit passed under the command of the Deutsches Afrikakorps (DAK) for the defense of Cape Bon.
Two tactical groups were constituted, one assigned to the 136ª Divisione Corazzata ‘Giovani Fascisti’, near Bouficha, and one to the 16ª Divisione fanteria ‘Pistoia’, near Saguaf. These were committed, from 24th to 30th April, to the extremities of the Italian-German defenses.
On 10th May 1943, Cape Bon was attacked by enemy armored units and the RECo resisted. The advance of the Anglo-American forces supported by French forces, superior in number and equipment, caused very heavy losses to the Italian-German units. On 11th May 1943, after fighting northwest of Boufichia, what remained of the RECo was annihilated in very bitter fighting that caused the destruction of the last armored artillery vehicles of the unit. War Bulletin n.1083 of 13th-14th May 1943 mentioned the Raggruppamento Esplorante Corazzato ‘Cavalleggeri di Lodi’ for its actions.
III Gruppo corazzato ‘Lancieri di Novara’
On 15th April 1942, the III Gruppo corazzato ‘Lancieri di Novara’ was established at the Deposito Reggimentale di Novara. It was composed of 3 squadrons equipped with L6/40 light tanks (52 vehicles) and sent to Africa as a reconnaissance unit for the 133ª Divisione corazzata ‘Littorio’.
In July 1942, it received three armored cars to try to make up for the loss of L6 tanks (78 out of 85). Reduced then to only five vehicles after the Battle of El Alamein, the unit followed the other units of the Italian-German army in the retreat from Egypt, Cyrenaica, and Tripolitania, on foot, continuing the war as a machine gun section attached to the Raggruppamento Sahariano ‘Mannerini’ during the Tunisian campaign.
III Gruppo Corazzato ‘Nizza’
The III Gruppo Corazzato ‘Nizza’ had at its disposal a theoretical force of 47 armored cars, 13 assigned to the Command Company and other two companies with 17 armored cars each.
In July 1941, it was initially named the 132° Battaglione Autoblindo per R.E.Co., then became the CXXXII Battaglione Esplorante Corazzato in December 1941 and, finally, III Gruppo Corazzato ‘Nizza’. During 1942, it was assigned to the 132ª Divisione Corazzata ‘Ariete’ becoming, with an attached medium tank unit, the Reparto Esplorante Corazzato (English: Armored Reconnaissance Unit) of the armored division. In March 1942, the unit was assigned the XIV° Gruppo of the autocannoni’s Batterie Volanti (English: Flying Batteries) equipped with four Autocannoni da 65/17 su FIAT 634N heavy duty trucks. Their service and destiny was unknown.
After a short period of time, it was renamed the III Gruppo Autoblindo ‘Nizza’ (English: 3rd Armored Car Group). In May 1942, it operated in Africa, with two squadrons within the 132ª Divisione Corazzata ‘Ariete’ in the XX Corpo di armata. It participated in the offensive against the British 8th Army, especially in the fighting at Bir Hakeim on 27th May. The unit was successfully supported by the 132° Reggimento Carri Armati (English: 132th Tank Regiment) at Bir Harmat on 28th and 29th May. It had reconnaissance tasks at Ain El Gazala, in the preparatory battle for the reconquest of Tobruk, supported by the 132° Reggimento Carri Armati of the Ariete division. Afterwards, the III Gruppo Autoblindo ‘Nizza’ operated in the Siwa Oasis and in the Qattara depression. In June 1942, it had only 38 armored cars in its ranks, but not all were serviceable.
In August 1942, following the loss of other armored cars, a single squadron was formed by consolidating the remains of the two squadrons.
In the months following the defeat of the Battle of El Alamein, the III Gruppo Autoblindo ‘Nizza’ also carried out, together with the surviving motorized units and with those that arrived from Italy in the meantime, the rearguard role for the retreat of the infantry towards Tunisia. It fought on 3rd February 1943 at Bir Soltane and at Ksane Rhilane, and again at Bir Soltane between 10th and 20th of March, facing the attack of a New Zealand column alone.
Due to heavy losses, it was forced to retreat, facing the reconnaissance units of the 6th English Armored Division, protecting the retreat through the Chotts up to Enfidaville. On 22nd April, it also joined the Raggruppamento Sahariano ‘Lequio’.
On 10th May 1943, when the surrender order came from Rome, the few armored cars still operational with the III Gruppo Autoblindo ‘Nizza’ were destroyed to keep them from falling into Allied hands.
VIII Battaglione Bersaglieri Blindato Autonomo
On 10th August 1941, at the Scuola di Cavalleria in Pinerolo, the 133° Battaglione Autoblindo per R.E.Co. was created, which should have been assigned to the 133ª Divisione corazzata ‘Littorio’.
In October, after training, the unit moved to Veneto and was restructured. It had a Compagnia Comando with 13 AB41s, 1ª and 2ª Compagnia Autoblindo with 34 AB41s in total, 3ª Compagnia Motociclisti, and 4ª Compagnia Anticarro.
For the needs of the North African Campaign, the 1ª Compagnia Autoblindo, 3ª Compagnia Motociclisti, and 4ª Compagnia Anticarro were assigned to the 132ª Divisione Corazzata ‘Ariete’ to replace its losses. On 25th November of the same year, the 133° Battaglione Autoblindo per R.E.Co. was renamed CXXXIII Battaglione Esplorante Corazzato and meant to be assigned to the 133ª Divisione corazzata ‘Littorio’. However, the unit was composed of a single company and, in the end, the III Gruppo corazzato ‘Lancieri di Novara’ was assigned to the ‘Littorio’.
In February 1942, the 1ª Compagnia Autoblindo was recreated and the battalion was renamed VIII Battaglione Bersaglieri Blindato Autonomo (English: 8th Autonomous Armored Bersaglieri Battalion). It only had the 1ª Compagnia Autoblindo and 2ª Compagnia Autoblindo, for a total of 40 or 47 armored cars, as sources do not agree. On 11th May 1942, it was assigned to the 101ª Divisione Motorizzata ‘Trieste’ as its reconnaissance unit.
The 101ª Divisione Motorizzata ‘Trieste’ fought in the Battle of Bir Hakeim, where the VIII Battaglione Bersaglieri Blindato Autonomo took part in the bloody fighting against Free French troops and British units.
On 26th May 1942,Second Lieutenant Cimino Luigi, the commander of an armored car platoon, was put in command of a reconnaissance mission. During the mission, having sighted some enemy armored reconnaissance vehicles, the unit launched itself at maximum speed against them. The attack allowed the capture of two vehicles with some prisoners, including an officer and ammunition.
At 2100 hrs, from the north of Bir Hakeim, the unit attempted to reach positions in the north to northeast, behind the enemy infantry line in order to attack them from behind. Unfortunately, after midnight, the unit was stopped by minefields. The mine explosions attracted the enemy’s attention, which began to open fire against the unit.
The 2° Plotone and the 4° Plotone of the 1° Compagnia Autoblindo distinguished themselves, responding effectively against the enemy fire in the fighting on 27th May.
On 28th May 1942, the Battalion tried to conquer the Gott el Ualeb stronghold, as the situation was escalating into what was called the “Battle of the Cauldron” by the Italian troops, due to the disorganization of the troops employed in the clash. The commander of one of the battalions, Major Silvano Bernardis, was killed while fighting.
Infantry Corporal Aldo Scolari repaired four armored cars rendered immobile by mines or artillery shells near Bir Bellafarit. For this action, he earned the Gold Medal of Military Valor.
On 29th May, the situation did not improve. The chaotic fighting continued, and ammunition and gasoline were running out because the battalion was not in contact with the rear lines. High Command ordered the Bersaglieri to advance without waiting for the opening of gaps in the minefields by the sappers.
The major gathered his men and communicated the order. Then, he led the unit and began the advance through the middle of the minefields under intense enemy fire. In a short time, the Plotone ‘Castelnuovo’ lost all the armored cars but managed to recover all the crews, passing on foot over the minefield. After the battle, the unit was deployed at first to the Oasis of Siwa and was then sent to the coast for anti-shipment reconnaissance.
The actions involving Lieutenant Fausto Cuzzeri, the commander of an armored car platoon,that took place on 29th June 1942 are noteworthy. In a single day, he attacked and captured two vehicles and then an entire British column, capturing many other vehicles and guns.
That same day, during a night reconnaissance mission, Second Lieutenant Giuseppe Cutrì, commander of an armored car platoon, spotted a patrol of enemy vehicles, including at least one tank. In spite of the intense enemy fire, Cutrì ordered an attack and was able to put the enemy unit on the run using only his armored car, freeing some German soldiers and their vehicles, and capturing some British soldiers and their weapons.
On another occasion, Sergeant Major Kruger Gavioli, from the battalion’s command company, identified and engaged with some enemy armored vehicles that were trying to infiltrate between the Axis lines during a night patrol on 18th July 1942. After running out of ammunition, he returned to the base. After a quick refueling and stocking up on ammunition, he went back to where he had encountered the enemy vehicles and, after a brief pursuit, attacked them again. His armored car was hit by an anti-tank shell. Hit a second time, the armored car was immobilized but continued to fire with all weapons until a third round hit it, destroying it.
On 1st September 1942, some armored cars clashed with British scouting units also equipped with armored cars. Sergeant Cademuro Giovanni, commander of a coppia of armored cars, and another car got around the enemy armored cars and made the British troops retreat, while the rest of the group engaged them from the front.
During the Battle of El Alamein, the VIII Battaglione Bersaglieri Blindato Autonomo was at the positions of the V° Battaglione of the Raggruppamento Tattico ‘Tantillo’, assigned to the 185ª Divisione paracadutisti ‘Folgore’.
On 6th November, VIII Battaglione Bersaglieri Blindato Autonomo assigned to the 101ª Divisione Motorizzata ‘Trieste’ lost 12 armored cars out of the 30 left, which were abandoned in the attempt to retreat. The unit was then used in the rearguard defense of the Italian-German troops retreating towards Tunisia, succeeding on several occasions in stopping units of the LRDG or scouting units of the British 8th Army.
In January 1943, because of the losses suffered, the battalion was disbanded and the vehicles and the remaining soldiers joined the III Gruppo Corazzato ‘Nizza’.
Regio Esercito – Italy
18° Reggimento Esplorante Corazzato Bersaglieri and 10º R\\aggruppamento Celere Bersaglieri in Corsica
On 1st February 1942, at the depot of the 5º Reggimento Bersaglieri (English: 5th Bersaglieri Regiment) in Siena, the 18° Reggimento Esplorante Corazzato Bersaglieri was created.
The 18° RECo Bersaglieri had at its disposal the I Gruppo Esplorante (English: 1st Reconnaissance Group) consisting of the 1ª Compagnia Autoblindo (English: 1st Armored Car Company) with 17 AB41 armored cars, 2ª and 3ª Compagnia Carri Armati L6/40 and 4ª Compagnia Motociclisti. The II Gruppo Esplorante consisted of the 5ª Compagnia Semoventi L40 da 47/32 and 6ª Compagnia 20 mm anti-aircraft guns. After a few days, the two L6/40 tank companies were reassigned to form the LXVII Battaglione, officially formed in Siena on 25th February 1942.
On 3rd January 1943, the 18° RECo Bersaglieri was assigned to the 4ª Armata Italiana deployed in Provence, with garrison tasks in the vicinity of Toulon, in view of possible enemy landings.
On 25th July 1943, the regiment returned to Turin, but the 1ª Compagnia Blindata, renamed as the 7ª compagnia, went to reinforce the 10º Raggruppamento Celere Bersaglieri in Corsica (English: 10th Bersaglieri Fast Regiment in Corsica). There, it was used to patrol the coastal roads of Corsica to prevent partisan attacks and to monitor the Mediterranean Sea.
After the Armistice of 8th September 1943, the company took part in the clashes against the 16. SS-Panzergrenadier-Division “Reichsführer-SS”.
After 25th September 1943, Free French troops arrived on the island and sided with the Italians. On 29th September, the Franco-Italian offensive against the Germans began and was successful. The Germans were forced to hastily re-embark for the mainland from Bastia. By 5th October, all the Germans had fled or surrendered. The French confiscated the heavy weapons from the Italian units.
III Gruppo ‘Lancieri di Firenze’
The III Gruppo ‘Lancieri di Firenze’, with a Command Company, an Armored Car Company, and a Motorcyclist Company, had a total of 18 AB41s and an unknown number of motorcycles.
A gruppo squadroni of the Reggimento ‘Lancieri di Milano’, and 4 other groups of squadrons, were passed under the orders of the III Gruppo ‘Lancieri di Firenze’, under the command of Colonel Sardella. These were meant for training with a view of expanding them into mixed regiments to be sent to North Africa.
The ‘Lancieri di Firenze’ was created on 1st February 1942 and assigned to the 2ª Divisione celere ‘Emanuele Filiberto Testa di Ferro’, where it remained for little more than a month. On March 10th 1942, the unit was sent to Albania without armored cars but equipped with horses. The armored cars were transferred in July 1942 to the Raggruppamento Esplorante Corazzato ‘Lancieri di Montebello’.
V Gruppo Corazzato ‘Nizza’
A V Gruppo Corazzato ‘Nizza’ (English: 5th Armored Group) was also created, but its operational service is virtually unknown. Nicola Pignato and Filippo Cappellano’s book ‘Gli autoveicoli da combattimento dell’esercito italiano’, mentions in the ‘L’Esercito e i suoi Corpi’ chapter that the Italian Army Archive has no references of the V Gruppo. ‘La meccanizzazione dell’esercito fino al 1943’, written by Lucio Ceva and Andrea Curami, concludes by saying that the authors believe that the V Gruppo Corazzato ‘Nizza’ did exist and was originally planned for use in North Africa, but was then diverted to Sicily in 1943.
In order to support their hypothesis, the authors refer to a discussion with Ambassador Umberto Bozzini, a former cavalry lieutenant at the time and apparently an expert on these units. The fate of the unit and if it was equipped with AB41 armored cars is unknown. A short article by Nicola Pignato and Fabrizio d’Inzeo mentions that the V Gruppo was equipped with 36 armored cars.
XL Battaglione Bersaglieri Corazzato
The XL Battaglione Bersaglieri Corazzato was created on 15th February 1942 at the Scuola di Cavalleria in Pinerolo and was used as a training unit. It was equipped with an unknown number of AB40 and AB41 armored cars, probably enough to equip 2 or more companies.
Reggimento Motorizzato ‘Cavalleggeri di Lucca’
On 20th February 1943, the Army General Staff ordered the establishment of the Reggimento Motorizzato ‘Cavalleggeri di Lucca’, which was created on 1st March 1943 at the Deposito Reggimentale of the Reggimento Corazzato ‘Vittorio Emanuele II’ in Bologna. This unit had a squadrone comando composed of 2 anti-aircraft platoons with 20 mm automatic guns and 1° Squadrone Motociclisti. The Motorcycle Squadron was also assigned an armored car platoon with 4 AB41 armored cars in total.
The unit also had a self-propelled squadron with Semoventi M42 da 75/18, two Auto-transported Mortar Squadrons, a Support Weapons, and an anti-aircraft Squadron. It was employed to keep public order in Bologna and in various localities of the Romagna region, at the disposal of the Comando della Difesa Territoriale di Bologna (English: Command of the Territorial Defense of Bologna).
On 1st April 1943, the 135ª Divisione Corazzata ‘Ariete II’ (English: 135th Armored Division) was created at the Deposito Reggimentale of Ferrara. It incorporated the Raggruppamento Esplorante Corazzato ‘Lancieri di Montebello’ as its reconnaissance group and the Reggimento Motorizzato ‘Cavalleggeri di Lucca’ as a mechanized unit.
In July 1943, the 135ª Divisione Corazzata ‘Ariete II’ was transferred from Ferrara to Rome by railway. The convoys that carried the RECo ‘Lancieri di Montebello’ and the ‘Cavalleggeri di Lucca’ stopped at Castelnuovo di Porto. The Motorized regiment received its armored cars, while the RECo ‘Lancieri di Montebello’ completed its ranks. Then the regiment and the RECo resumed their way to Rome, arriving in Isola Farnese, where the armored cars were unloaded and traveled by road to Olgiata, north of Rome.
Plotone Autonomo Autoblindo
In the Soviet Union, the 156ª Divisione di Fanteria ‘Vicenza’ was sent with two AB41 armored cars in the Plotone Autonomo Autoblindo (English: Autonomous Armored Car Platoon). These vehicles were used together with some L6/40 light tanks and L40 47/32 self-propelled guns, but were probably quickly abandoned due mechanical wear and tear.
Nuclei Esploranti Corazzati
In Naples, on 5th June 1943, the 9° Nucleo Esplorante Corazzato or NEC (English: 9th Armored Exploring Squad) of the 9ª Divisione di Fanteria ‘Pasubio’ was created. It had two platoons and a command car for a total of 9 AB41s.
In Palermo, on 5th June 1943, the 28° Nucleo Esplorante Corazzato of the 28ª Divisione fanteria ‘Aosta’ was created. It was probably composed of two platoons with a total of 8 AB41s, but there is no information on its service and it is uncertain if the armored cars were even delivered.
Other NECs included the 12° Nucleo Esplorante Corazzato of the 12ª Divisione fanteria ‘Sassari’, which took part in the Defense of Rome between 8th to 10th September 1943.
The 30° Nucleo Esplorante Corazzato of the 30ª Divisione fanteria ‘Sabauda’ was created on 1st August 1943. It received 8 AB41 armored cars. On 10th September 1943, the division was assigned to the defense of Sardinia and blocked the way of the Germans, which wanted to occupy Cagliari, the capital of the islandi. After the battle, the division joined the newly born Italian Co-Belligerent Army and moved to Sicily, in the areas of Enna and Caltanissetta. There, however, the Allies requisitioned all its armored vehicles due to the armistice clauses.
On 13th November 1942, at the Scuola Centrale Truppe Celeri (English: Central School for Fast Troops) in Civitavecchia, the Nucleo Esplorante Corazzato ‘Lancieri di Milano’ was created. As with some of the other NECs, nothing is know about its service.
X Battaglione Esplorante Corazzato
Another 17 AB41 armored cars were assigned to the X Battaglione Esplorante Corazzato (English: 10th Armored Reconnaissance Battalion) of the 10ª Divisione di Fanteria Motorizzata ‘Piave’ (English: 10th Motorized Infantry Division) on 15th July 1943. The battalion, together with the division, took part in the desperate defense of Rome in September 1943, defending the northern section of the city.
Raggruppamento Esplorante Corazzato ‘Lancieri di Montebello’
On 15 July 1942, in Ferrara, at the Deposito Reggimentale del III Gruppo ‘Lancieri di Firenze’, the Raggruppamento Esplorante Corazzato ‘Lancieri di Montebello’ was created. It was composed of a command company and an armored car company, with a total of 18 AB41s previously belonging to the ‘Lancieri di Firenze’.
It had a theoretical force of 70 armored cars, but was never completely equipped. The unit was also equipped with four motorcycle squadrons, two self-propelled squadrons with Semoventi M41 da 75/18, and two self-propelled squadrons with Semoventi L40 da 47/32.
This unit was employed for about a year in public order tasks and was reorganized with a Squadrone Comando (4 AB41 armored cars), 1° Squadrone (17 AB41 armored cars), 2° Squadrone (17 AB41 armored cars) and 3° Squadrone Motociclisti.
In July 1943, the R.E.Co. was transferred by railway to Rome. The convoys that carried it stopped at Castelnuovo di Porto station, where the last armored cars were delivered to the R.E.Co., and then near Rome, in Isola Farnese, the armored cars were unloaded and traveled by road to Olgiata, north of Rome. During this period, the soldiers improved their training and the unit was reorganized with: Squadrone Comando with 4 AB41 and I Gruppo with a Squadrone Comando del Gruppo (English: Group’s Command Squadron) with 4 AB41 armored cars.
The I Gruppo had at their disposal 1° Squadrone Autoblindo (17 AB41 Armored cars), 2° Squadrone Autoblindo (17 AB41 Armored cars), and 3° Squadrone motociclisti (86 motorcycles, 10 Breda Modello 1930 light machine guns) for a total of 42 armored cars. II Gruppo had at their disposal: the Squadrone Comando del Gruppo (4 semoventi L40 da 47/32), the 4° Squadrone Motomitraglieri (90 motorcycles, 10 Breda Mod. 30), the 5° Squadrone Semoventi da 75/18 (12 semoventi M42 da 75/18) and the 6° Squadrone Semoventi da 47/32 (12 semoventi L40 da 47/32). The III Gruppo was composed of: Squadrone Contraereo da 20 (12 Cannoni-Mitragliere da 20 mm) and Squadrone Zappatori Traghettatori (English: Sapper and Ferryman Battalion) with 12 assault boats and other equipment for crossing waterways.
On 8th September 1943, the Raggruppamento Esplorante Corazzato received the news of the signing of the Armistice of Cassibile.
The Raggruppamento Esplorante Corazzato ‘Lancieri di Montebello’ and the 135ª Divisione Corazzata ‘Ariete II’ received orders from Italian Prime Minister, Pietro Badoglio, to defend the city from the Germans. On the morning of 9th September 1943, the AB41s headed to Rome where the 21ª Divisione di fanteria ‘Granatieri di Sardegna’ has erected defensive positions. Between 9th and 10th September, they fought supported by the Italian infantry on the Tiber River against the Germans that were trying to capture the city.
During the night of 8th September, the 21ª Divisione di fanteria ‘Granatieri di Sardegna’ was deployed in the southern sector of Rome on a 28 kilometers long front, divided into two sectors with a total of 13 strongholds to which were added 14 internal checkpoints that barred the main roads. These defenses were initially erected by the Italians some days earlier to defend from an Allied attack, as the Italian Army High Command feared an Allied landing near Rome at any moment. However, they would soon be used to defend against Italy’s former ally.
The 1° Reggimento Granatieri was entrusted with the first seven strongholds: from the first to the fourth to the I Battaglione on the right bank of the Tiber, the other three to the III Battaglione, while the II Battaglione was placed in divisional reserve in the western sector in the area between Abbazia Tre Fontane and Forte Ostiense. The other six strongholds were entrusted to the 2° Reggimento Granatieri.
The first unit that suffered the first losses against the Germans was the Polizia dell’Africa Italiana which first encountered German forces in the fuel depot of Mezzocammino and, attacked by surprise, was forced to withdraw on 8th September, abandoning some equipment. These events took place to the south of the V Caposaldo (English: 5th Stronghold) in front of the Ponte della Magliana, the quicker way to reach Rome.
Around 11 pm, the V Caposaldo was attacked by the German attack from the 3. Panzergrenadier Division and some units of the 26. Panzer Division. The reserve battalion was called to intervene and slowed down the German attack, but shortly after the Germans began to advance again.
A German column equipped with armored cars tried to reach Rome across the Magliana Bridge but was hit by machine gun fire from Captain Pomares’ Machine Gun Company and was forced to turn back hastily, leaving dead and wounded behind. At about 2 am, the Regimental Command asked for reinforcements for the total reoccupation of the position that had lost some smaller strongholds.
The Raggruppamento Esplorante Corazzato ‘Lancieri di Montebello’, under the command of Colonel Umberto Giordani, then entered into action. It was ready to enter in action from 11:30 pm in its barracks in Isola Farnese, but only at 2:30 am was it called to intervene. It arrived from the north of Rome, crossed the streets of Rome at full speed during the night, crossed San Paolo, crossed the Via Ostiense, and at 5 am of 9th September it arrived with its AB41 armored cars and some Semoventi L40 da 47/32 self-propelled guns near the Magliana bridge, at the headquarters of the 1° Reggimento Granatieri.
The motorcyclist units were employed in diversionary and garrison actions to prevent German surprise attacks from other directions, while the 6° Squadrone Semoventi da 47/32 with ten self-propelled guns and the 2° Squadrone Autoblindo with an unknown number of armored cars were passed under the control of the I Battaglione, while the 1° Squadrone Autoblindo, with the commander of the I Gruppo, were maintained in second line defending the Granatieri’s headquarter.
After a night of intense fighting, the morning of 9th September saw the resumption of the action for the total reconquest of the 5th stronghold. At 7 am, the II Battalion of Major Costa’s Grenadiers, supported by ten Semoventi L40 da 47/32 and some armored cars, began the action to reconquer the position under attack. The Battaglione Allievi Carabinieri, Bersaglieri, and soldiers and perhaps some armored cars of the Polizia dell’Africa Italiana (both the police and the ‘Lancieri di Montebello’ had AB41 armored cars in Rome and the sources do not specify if also the police vehicles that took part in the battle) also took part in this action. At 10:30 am, the 5th stronghold was entirely recaptured by Italian soldiers.
During an attack, the 2° Squadrone Autoblindo the German units to retreat and they recaptured and brought back to the Italian lines a FIAT 626NM medium truck, which had previously been abandoned by the PAI, armed with two machine guns and with 20 MAB 38A submachine guns and some ammunition crates.
After the V Caposaldo was reoccupied, the 1° Reggimento Granatieri ordered Lieutenant Silvano Gray de Cristoforis, probably a AB41’s platoon commander of the 1° Squadrone Autoblindo, to attempt an attack on the German rear positions.
This plan was to reach the Caserma della Cecchignola barrack, where some trucks and trailers loaded with barrels of fuel had been abandoned. This was a desperate action ordered by the commander of the ‘Lancieri di Montebello’, which immediately needed fuel for its armored vehicles.
Under enemy fire, Lieut. Gray de Cristoforis’s unit reached the Caserma della Cecchignola and managed to transport back to the Italian lines two trailers full of fuel barrels that were used to refuel all the Italian vehicles in the area for the rest of the day.
At 2:00 pm, the Germans launched a violent counterattack, with mortar fire inflicting serious lossed on the V Caposaldo. The grenadiers were about to surrender and the 4° Squadrone Motomitraglieri was sent to reinforce them and attempted a counterattack in which the commander, Captain Cipriani, was wounded and the unit was forced to retreat to new defensive positions.
The 6° Squadrone was no longer receiving ammunition and its self-propelled guns were running out of shells. However, the commander decided to remain in position, under the heavy enemy fire, to keep the troops’ morale.
The combat restarted at around 5 pm, with mortar fire, attacks from German paratroopers, and aircraft machine gunning at low altitudes, which caused many casualties.
The Italian grenadiers, supported by the units of armored cars and self-propelled vehicles, resisted on the positions of the V Caposaldo, while the motorcyclists of the 3° Squadrone on the Strada Ardeatina, supported the front line units.
Subsequently, the Italian troops withdrew to the following positions:
Via Ostiense was barricaded by the 3° Squadrone Motociclisti, elements of the 1° Battaglione of the Polizia dell’Africa Italiana, elements of the Battaglione Carabinieri that had recently arrived to replace the Battaglione Allievi Carabinieri, a platoon of the 5° Squadrone Semoventi da 75/18, and a platoon of armored cars.
Via Laurentina was barricaded by the 1° Squadrone Autoblindo, by about a platoon of paratroopers, put together during the free days in Rome before the attack and recently arrived on site.
The 6° Squadrone Semoventi da 47/32 was made to fall back to the command of the 2° Gruppo where, during the night, also the other units of the ‘Lancieri di Montebello’ would arrive.
The new defensive line stopped a German attack. Around 10 pm, a company of Italian paratroopers arrived and after this, the night passed quite quietly.
The new German attack took place at dawn, involving the stronghold on Via Laurentina. The Italians started to attack with the armored cars and some self-propelled guns of the Raggruppamento Esplorante Corazzato to force the German forces to retreat. These attacks were easily repelled as the narrow streets forces the Italian vehicles to drive only in the middle of the road and were as a consequence more vulnerable to enemy mortar and to anti-tank fire from the 4,2 cm PaK 41 German Fallschirmjäger squeeze bore cannons.
At least three AB41 armored cars of the Raggruppamento Esplorante Corazzato were destroyed during the attack by some German tanks and armored cars.
At dawn, the situation was desperate, and Colonel Giordani, commander of the line, tried to receive reinforcements from the 21ª Divisione di Fanteria ‘Granatieri di Sardegna’, on which he still depended. The situation became more critical when the Battaglione Carabinieri was called to intervene in another sector of the defensive line and the 1° Battaglione of the Polizia dell’Africa Italiana had almost completely been destroyed.
The vice-commander of the division, General de Rienzis, informed Colonel Giordani that an armistice with the Germans had already been agreed, and therefore, ordered the Raggruppamento Esplorante Corazzato to retreat.
At 10:30 am the radio station of the 21ª Divisionedi Fanteria recalled them and ordered the Raggruppamento Esplorante Corazzato to return to battle, to position itself at Porta San Paolo and to resist to the bitter end, waiting for the arrival of the rest of its armored corps, already on the move.
Once in position, the Raggruppamento Esplorante Corazzato ‘Lancieri di Montebello’ realized that it was by itself, as all the other units either did not receive the order to return to action or ignored it. A unit of recruits of the 4° Carristi, and a battery of the 60° Gruppo Semoventi da 105/25, of the 135ª Divisione Corazzata ‘Ariete II’ helped to defend the defensive line while a group of recruits commanded by Lieutenant Colonel Nisco without armored cars of the Reggimento ‘Genova Cavalleria’, were sent to guard the Ostiense station and the adjacent streets.
After a morning of fighting, the German column joined some other German troops and approached Porta San Paolo, an ancient gate of the 4 meter thick Aurelian Walls, which dated back to Roman times, which was insurmountable even for German tanks.
The fight in the Porta San Paolo lasted until 5:00 pm and was really fierce. The Italian soldiers were also joined by civilians and police officers from the capital that fought the Germans with hunting weapons or by throwing stones.
The armored cars of the Raggruppamento Esplorante Corazzato ‘Lancieri di Montebello’ were destroyed one by one by anti-tank fire. After these actions, the surviving armored cars were abandoned or returned to the base with the survivors.
During the defense of Rome, the Raggruppamento Esplorante Corazzato ‘Lancieri di Montebello’ lost 5 officers and 15 NCOs and soldiers with an additional 13 officers and 68 NCOs and soldiers wounded. Between 16th and 17th September 1943 the commander, Colonel Umberto Giornani, delivered the surviving vehicles and equipment (the number of AB41s in running order is unknown), and on 18th September 1943, disbanded the unit, allowing the soldiers to return to their homes.
9ª Compagnia Autoblindo Autonoma and other units
The last 12 AB41 armored cars were given to the 9ª Compagnia Autoblindo Autonoma that was assigned to the 11ª Armata Italiana in Greece, like the 8ª Compagnia Autoblindo Autonoma. On 31st August 1943, it was disbanded and the 12 armored cars with their crews were assigned to the Comando Generale Regi Carabinieri, which commanded the Gruppo Autonomo Carabinieri dell’Egeo (English: Aegean Sea Autonomous Carabinieri Group).
Other AB41s were delivered for a fee to some Italian units. Two AB41s with SPA ABM 1 engine (one had the number plate Regio Esercito 352B) were given to the Colonna Celere Confinaria ‘M’ (English: Fast Border Column) of the Rijeka Prefecture on 16th May 1942 and one AB41 to the Milizia Nazionale Portuaria (English: National Port Militia) on 4th October of the same year, for 410,313 Italian Liras.
Regio Esercito – Balkans
In the Yugoslavian theater, in the beginning, no AB41 armored cars were meant to be used. Due to the tenacious partisan resistance, the Italian High Command was forced to supply some armored cars to the Italian units of occupation in Yugoslavia.
Most AB41s deployed in this sector were placed within modest-sized units on the platoon or company scale. They were rarely mentioned in official documents and it is difficult to provide an adequate account of their operational service.
8ª Compagnia Autoblindo Autonoma
The 8ª Compagnia Autoblindo Autonoma (English: 8th Autonomous Armored Car Company), with 12 AB41 armored cars, was created in June 1943. It was meant to be shipped to Montenegro but, due to the need for armored vehicles to patrol and escort convoys in Greece, the unit was eventually delivered to the 11ª Armata Italiana in Greece.
IV Gruppo Corazzato ‘Nizza’
The IV Gruppo Corazzato ‘Nizza’ (English: 4th Armored Group) had two mixed squadrons, one armed with L6/40 light tanks and the other with 18 AB41 armored cars. It was sent to Albania. Some sources do not mention the use of L6/40 light tanks, but mention 36 armored cars. This could mean that a squadron was theoretically armed with tanks, but in fact, it was equipped with armored cars.
The IV Gruppo Corazzato ‘Nizza’ was the largest unit equipped with AB41s in the Yugoslavian front. It was part of the Raggruppamento Celere. It was employed in counter-partisan operations and as an escort to columns. After the Armistice in September 1943, the 2º Squadrone Autoblindo, under the orders of Captain Medici Tornaquinci, joined the 41ª Divisione di fanteria ‘Firenze’ in Dibra, managing to open the way to the coast through bloody battles against the Germans, particularly in Burreli and Kruya. After the battle, the IV Gruppo Corazzato ‘Nizza’ dispersed. Many officers and soldiers went back to Italy, reaching Apulia by makeshift means and concentrating at the Cavalry Center in Artesano to join the Allied forces.
Other units used in this teather were created on 13th January 1942: the 1° Plotone Autonomo, 2° Plotone Autonomo, 3° Plotone Autonomo, and the 4° Plotone Autonomo (English: 1st; 2nd; 3rd and 4th Autonomous Platoon), with a total of 10 AB41 armored cars that arrived in 1942 and 6 in 1943. These units were assigned to the 2ª Armata Italiana deployed in Slovenia and Dalmatia.
A total of 20 AB40 and AB41s in the ‘Ferroviaria’ (English: Railway) version were deployed in Yugoslavia to prevent partisan sabotage to the railway lines in the Balkans. They were assigned to the Compagnia Autoblindo Ferroviarie Autonoma (English: Autonomous Railway Armored Car Company).
Given the increased activity of Partisan forces in occupied Yugoslavia, the Italians were forced to introduce more and more armored vehicles in order to secure vital communication and supply lines. While most of these were improvised armored trucks, a number of more modern AB41 armored cars were also sent.
The usage of AB41s during 1942 is generally poorly documented. For example, Partisan sources do not specify in much detail which Italian vehicles they faced. The AB41s were sometimes used as security vehicles for the forced deportation of Yugoslav civilians into concentration camps located in Italy. One well-documented engagement of the Italian AB41 happened in April 1943 in a village named Brlog. There, two partisan operated L3 light tanks were chasing retreating Italian and Croatian soldiers. At Brlog, one AB41 was waiting in ambush for the partisan tanks to arrive. Once spotted, the AB41 began engaging the enemy armor. The L3 tanks were armed with only two machine guns and lacked infantry support, and thus could do anything against the AB41. One L3 was hit by several 2 cm armor-piercing rounds, killing both crew members. The partisans were soon reinforced with two additional L3s and one Hotchkiss tank (either a Hotchkiss H-35 or H-39 captured from the Germans).
While the AB41 2 cm rounds could do little against the Hotchkiss’ armor, its crew nevertheless engaged the partisan tank. The Italian crew managed to damage the tank’s optics and even wounded its crew. As it could not destroy the tank, the Italians retreated from the village. During the retreat, the armored car managed to damage two more L3 tanks. After the Italian capitulation, the remaining AB41s were mostly taken over by the Germans. Smaller numbers were captured by Croatian forces, but also by the Yugoslav Partisans.
Other Operators
Italian Partisans
The surviving Esercito Nazionale Repubblicano and Guardia Nazionale Repubblicana AB41s were captured or destroyed in the cities of Milan and Turin on 25th April 1945. During this time, some fought the more numerous and stronger partisan forces that descended from the mountains to free the cities of northern Italy from fascist and German occupation. In the days before the general insurrection, in Turin and Milan, some AB armored cars were captured and used by the partisans. There is evidence that one was destroyed on the Via XX Settembre by German-manned anti-tank weapons in Turin. After the German and Italian surrender, two or three of them took part in the partisan parade in Turin.
When the Gruppo Squadroni Corazzati ‘San Giusto’ was disbanded on 27th April 1945, the AB41 stored in the depot in Mairano was taken by the partisans and reused against the German garrison at Cividale del Friuli on 28th April 1945. It also participated in an attack against the city of Udine on 30th April.
Italian Co-Belligerent Army
After the Armistice, part of the Italian soldiers joined the Esercito Cobelligerante Italiano (English: Italian Co-Belligerent Army) under Allied command.
The IX Battaglione d’Assalto (English: 9th Assault Battalion) of the Corpo Italiano di Liberazione or CIL (English: Italian Liberation Corp) had 3 AB41 armored cars in service since July 1944. These were used to free some cities in the Italian region of Marche.
The Squadrone ‘F’, composed of Italian soldiers under the British 6th Armoured Division, was equipped after March 1944 with an AB41 Platoon (4 armored cars, according to sources). These probably belonged to the 7ª compagnia of the 10º Raggruppamento celere bersaglieri in Corsica, which was aggregated to the CIL in February 1944.
Commonwealth
Some AB41s were captured by Commonwealth troops and the British Army supplied some of these armored cars to the Australian and Polish forces. The most famous was perhaps the AB41 of the ‘Polish Carpathian Lancers’ captured from the Italians and used against its former owner and the Germans in Egypt between May and August 1942. After that, it was requisitioned by British High Command and transported by sea to the United Kingdom, more specifically, to the School of Tank Technology (STT) in Chobham. After about a year, in May 1943, the British information service created a report on the AB41.
The British highly appreciated the armored car in the two versions encountered in Africa, AB40, and AB41. According to reports prepared by the British, in addition to the major criticisms regarding low-quality armor, the engine was considered reliable although difficult to maintain, the turret to be small and cramped, but the AB41 were deemed fast and well-armed, the vehicle was very effective in the task of long-range patrol and reconnaissance.
Germany
After September 8th, 1943, the Germans occupied all the assembly lines of the factories of central and northern Italy and captured the majority of the remaining Italian vehicles.
Around 200 AB41 armored cars were requisitioned, 20 were captured still in the factory and 23 were produced for the German Army, where they were renamed Panzerspähwagen AB41 201(i). A small number of the AB41s were supplied to the Esercito Nazionale Repubblicano, with the Germans preferring to keep the few AB43s which were much more popular with German crews. In German service, the AB41 was used by the Divisions of the Waffen-SS, Luftwaffe, Wehrmacht, and Todt Organization, seeing service in France, Germany, Italy, and the Balkans. In the Balkans, they were used in anti-partisan operations and for patrolling airfields or military bases. Some units that used them were: 41. Panzer Spah Zug, 71. Infantry Division (1943-1944) and 162. Infantry Division, SS Polizei Gebirgs Regiment 18 and Gendarmerie Reserve Kompanie Alpenland-3.
In France and Germany, they were used against Allied troops. Photographic evidence shows what looks like a destroyed AB41 used by the Germans in the last-ditch attempt to defend Berlin from Soviet forces between 25th April and 2nd May 1945.
France
During the Second World War, AB41 armored cars came under the control of French forces in two separate contexts.
With the fall of the last Axis possessions in Tunisia in May of 1943, along with more than 240,000 prisoners taken, considerable quantities of ground equipment were left, including a variety of Italian armored vehicles. While these were generally of little interest for the by this point fairly well-equipped British and American forces, the French Army of Africa, which had joined the allies just a couple of months prior in November of 1942, was still equipped with few armored vehicles, mostly obsolete pre-1940 tanks such as the Char D1, and did press into service several types of Italian vehicles, including the AB41. Two different photos of the AB41 in French service exist. One shows a column of these vehicles operating under an unknown branch in 1946. This photo shows a total of 10 vehicles, which shows that the number of vehicles captured and used by the French was not necessarily negligible. Another photo, dated from as late as 1949, shows a crew of the French Gendarmerie, a form of military police, in front of an AB41, near Bône, once again in Algeria. This suggests that the Italian armored cars remained in service for several years for security operations. The date of the vehicle’s retirement from service in French North Africa is unknown, though nothing has ever emerged that suggests the vehicles were still in service by the time of the Algerian War which began in 1954.
In the summer of 1944, after the breakthrough of Operation Cobra, Allied troops began to liberate vast areas of France, the FFI (Forces Françaises de l’Intérieur / French Forces of the Interior), organized vast uprisings which liberated considerable amounts of territory neglected by German troops attempting to contain the Normandy landings. Those resistance fighters captured a number of different vehicles that had been used by German troops engaged in anti-partisan duties in France. This included German-made vehicles, previously captured French ones, but also at least one Italian-made AB41 armored car that had presumably been captured by the Wehrmacht following the Italian armistice of September 1943 and then put back to use in anti-partisan operations in France.
The vehicle was used by an FFI company operating in Brittany at the same time German troops were being expelled from the region by a mixture of American troops and French resistance fighters. That armored car had been captured in the town of Guingamp. It was included into what was called the “Compagnie de choc Bretagne” (Eng. Bretagne shock company), which then took part in FFI operations further south, against the “forteresse du Médoc”, a fortified German-held pocket on the Southern bank of the estuary of the River Gironde, which held until it was taken by FFI fighters on 20th April 1945, after a week of fighting which resulted in around 1,300 dead soldiers of both sides.
Another photo of an AB41 in use by French forces in metropolitan France exists, but its context is disputed. Showing an AB41 from the back along with FFI troops using a variety of equipment of both American and German origin, this photo has been taken to show FFI troops used to contain the pocket of Royan (a german pocket north of the Gironde’s estuary) or to have been taken post-war.
Yugoslavia
The Kingdom of Yugoslavia’s Army had tried to negotiate the purchase of the AB armored cars, but due to the Axis invasion in April 1941, this was never fulfilled.
During the war, the AB41 would see service with nearly all involved factions in Yugoslavia.
The Independent State of Croatia’s (NDH – Nezavisna Država Hrvatska) Army asked the Italians for a number of AB41s but only got 10 L/33 and L/35 light tanks. After the capitulation of Italy, they may have captured a few AB armored cars.
The Italians operated some AB40s and AB41s from 1942 to 1943 until their surrender to the Allies in Yugoslavia.
Yugoslav Communist Partisans managed to capture a number of AB armored cars during September 1943. While they did see action against the Axis forces, all were either destroyed or were hidden by the Partisans to avoid being captured by the Germans. By late 1944, they managed to capture more with some surviving after 1945.
After the war, some AB41 armored cars remained in service with the new Yugoslav People’s Army (YPA) under the name ‘SPA 7 t’ until they were replaced with more modern Soviet-made vehicles.
Greece
After September 8, 1943 6° Reggimento di cavalleria ‘Lancieri di Aosta’ (English: 6th Cavalry Regiment) began to enter into an agreement with Ellinikós Laïkós Apeleftherotikós Stratós or ELAS (English: Greek People’s Liberation Army) and the British Army to continue the war on their side against the Germans.
One year later, on October 14, 1944, ELAS disarmed the regiment that had been fighting alongside them for a whole year, killing some Italian soldiers who tried to resist.
The weapons they captured went to equip the ELAS troops, among the vehicles there was at least one AB41 armored car that was used during the final stages of the Liberation of Greece.
There is a photo of the armored car during its use with Greek partisans, date and location unknown, but probably after World War II, during the Greek Civil War.
Italian Republic
After the war, from 1945 to 1954, some AB41 and AB43 armored cars were used by the Polizia di Stato (English: Italian State Police) in the Reparti Celeri (English: Fast Departments) and used with certainty in Turin, Udine, and Rome. After 1954, they were withdrawn from service and almost all of them were scrapped, though a couple were sold to museums and private collectors.
A small number of AB41 armored cars were also used by the Arma dei Carabinieri (English: Arm of Carabiners) in their Reparti Mobili (English: Moving Departments).
In both cases, the operations in which the armored cars were used are unknown. The few times they were seen outside the barracks were for parades or training. In the 1950s there were many strikes by workers in Italy to demand better working conditions that often ended up occupying entire factories for days, slowing down the country’s economy and creating quite a few inconveniences for the political establishment and factory owners. The Partito Comunista Italiano or PCI (English: Italian Communist Party) supported workers’ strikes and trade union struggles and gained more and more support among the population. The situation caused concern to the Italian state which feared a coup supported by the Soviet Union as had already happened in Czechoslovakia. In fact, many leaders of the PCI had been partisans during the war and some of them were on good terms with members of the Communist Party of the Soviet Union (CPSU). For example, Enrico Berlinguer, one of the leading figures in the Party at the time, was received by Stalin himself during a visit to the Soviet Union in 1946.
In order to dissuade workers from armed occupations of factories or worse the attempted coup d’état, the Italian state destroyed most of the military equipment it did not use to prevent it from falling into the wrong hands and ordered the Police and Carabinieri to keep the AB41s efficient to use them as a deterrent during demonstrations. In 1954, the arrival of new security vehicles allowed AB armored cars to be removed from service.
Camouflage
The armored cars were painted in the factory in Kaki Sahariano Chiaro (English: Clear Khaki Saharan) color, which was lighter than that used on Italian tanks. In Africa, the vehicles always remained in basic camouflage with only few armored cars being modified by the crews. Usually were used camouflage nettings or tarpaulins to better hid the vehicles.
Initially, there was a theoretical maximum of four squadrons (or companies) for each group (or battalion), each identified by a different color 20 x 12 cm rectangle, on which one to three white vertical stripes were painted to indicate the platoon. The colors were: red for the first squadron, blue for the second squadron, yellow for the third squadron, green for the fourth squadron , black for the command company of the group, and white with black platoon stripes for the regimental command squadron .
As the conflict went on, there was also a change in the structure of the armored squadrons (or companies), as a fourth, and sometimes a fifth, platoon were added on the African and Balkan fronts.
In 1941, the Italian High Command ordered the units to paint a 70 cm diameter circle to ease aerial identification, but this was rarely applied on the turrets or on the engine deck.
By the time the African Campaign was over and the first clashes in Sicily in July 1943 were underway, factories began to paint their armored cars with the ‘Continentale’ camouflage adopted by the Royal Army in the summer of 1943. Over the Kaki Sahariano Chiaro were added stains of Reddish Brown and Dark Green. This camouflage was also adopted on the FIAT-SPA AS42 and the Semoventi M42M da 75/34 and Semoventi M43 da 105/25 before the armistice of September 1943.
Some units independently painted some mottos on the armored cars, such as “A Colpo Sicuro” (English: Sure Shot), or symbols. The III Gruppo Corazzato ‘Nizza’, for example, painted the symbol of the unit, a stylized bomb with a flame, on some vehicles.
During the North African Campaign, some armored cars of the Italian Army received the Croci di Savoia (English: Savoia’s Cross) painted in white to aid air identification.
The AB41s of the Reggimento Esplorante Corazzato ‘Lancieri di Montebello’ were painted in Kaki Sahariano Chiaro but, when they were sent to Rome for the defense of the city, during the trip, in Castelnuovo di Porto, they were painted with green and brown spots when they were still on the freight wagons.
Of the armored cars of the Esercito Nazionale Repubblicano and the Guardia Nazionale Repubblicana, there is not much information about their camouflage. The 18 AB41s of the Gruppo Corazzato ‘Leonessa’ had all been produced before the armistice and found in warehouses or had been repaired by soldiers loyal to Mussolini and were not all painted in the same way until December 1944 when they were repainted in the ‘Continentale’ camouflage scheme.
They received only the symbol of the Gruppo Corazzato ‘Leonessa’, the red ‘M’ with a beam, and the ‘GNR’ written in black underneath. The armored cars of the Gruppo Corazzato ‘San Giusto’ and the Raggruppamento Anti Partigiani, instead, were painted in ‘Continentale’ camouflage, the RAP ones received also a Repubblica Sociale Italiana‘s flag on the sides.
Vehicles captured by the Yugoslavs did not receive new camouflage but had new markings, usually the Free Yugoslavian flag or red stars painted on the sides of the superstructure and turret to avoid friendly fire.
After the war, the AB41s of the Polizia di Stato were painted in a reddish shade called Amaranth Red which was the color of all Italian police vehicles until 1954, while the Carabinieri and Esercito Italiano armored cars were painted in NATO Green.
Variants
Between 1941 and 1943, several vehicles based on the armored car chassis were designed, most of them were just prototypes due to the Armistice of 8th September 1943, while others were accepted in service before the Armistice or were produced only for the Germans.
Unnamed AB wooden training vehicle
To train drivers with dual driving, a vehicle was created on the same chassis as the AB. The vehicle had a wooden structure similar to that of the AB’s superstructure with two benches, one at the front for the frontal driver and an instructor, and a second at the back, for the rear driver and another instructor. This version was produced in an unknown quantity and supplied to the Training Center of Pinerolo.
AB41 Command Armored Car
The AB41 Command was developed as an artillery observation vehicle for armored units. The turret was removed and replaced with a large armored plate on the roof with a 4-piece door. This vehicle was unarmed, with 3 personal weapon slots and only had the forward driving position. The vehicle carried four officers and a map table. A second prototype of the Command AB42 armored car had different armor on the roof and two of the four armored doors were equipped with armored glass windows.
In mid-1943, the first prototype was accepted by the Italian High Command and 50 vehicles were ordered. These were not produced because of the Armistice. When the factories were captured by the Germans, they did not consider this variant useful for their purposes and the project was abandoned.
Semovente da 47/32 su Scafo AB41
Another prototype was the Semovente da 47/32 su Scafo AB41, also known as ‘AB41 Cannone’, it was armed with a Cannone da 47/32 Mod. 1935. The turret, the rear machine gun, the rear driving position, the radio equipment, and the armored superstructure were removed. A 47/32 Mod. 1935 cannon with a shield to protect its operators were installed in the center of the superstructure together with various other modifications to the hull. The number of projectiles carried was 100 rounds while the thickness of the armor of the gun shield was 10 mm. The crew consisted of 4: the driver, the gunner, the loader, and the commander. The speed and range remained unchanged, as was the SPA ABM 2 8-cylinder, 88 HP petrol engine.
This was Ansaldo’s first proposal to arm the AB armored cars with a 47 mm cannon. Due to the limited use of the vehicle, the project was shelved, but Ansaldo continued to develop an AB armed with a 47 mm cannon.
AB42
Another prototype based on the AB41 was the Autoblinda Alleggerita Mod. 1942 or AB42, a vehicle based on the AB41 hull but with many modifications to make it a more suitable combat vehicle in North Africa. The turret was replaced by a lower profile one armed with the same 20 mm cannon. This version was designed for infantry support and combat rather than reconnaissance. The rear machine gun and the second driving position were removed. Although it was lighter, weighing only 6 tons, the engine was replaced with a 108-hp FIAT-SPA ABM 3 and the armor was better angled which greatly increased crew protection.
Due to the end of the North African Campaign and due to the fact that too many changes had to be made to the assembly lines to produce the new version, the project was abandoned.
AB43 ‘Cannone’
In the early months of 1943, Ansaldo proposed the new version of the AB armed with a 47 mm cannon called Autoblinda Mod. 1941 con cannone da 47/40 Mod. 1938 not officially known as AB43 ‘Cannone’. The AB41 superstructure was modified with 90° inclined sides and removing the rear machine gun. The larger and shorter turret was armed with a powerful 47/40 Mod. 38 cannon, the same as the M15/42 medium tank. The ammunition capacity was 63 rounds for the cannon and 744 rounds for the coaxial machine gun. Due to the weight increase to over 8 tons, the same 108 hp engine of the AB42 was installed in the engine compartment which allowed the armored car to reach a speed of 88 km/h. Approved in May 1943, the armistice blocked the plans of the Royal Army.
AB43
In 1943, it was also proposed to mount the Mod. 1942 turret of the AB42 on the AB41 hull with the new ABM 3 engine. The resulting vehicle was called AB43 and about 100 were produced and used exclusively during the war on all front by the Germans, who denominated it Beute Panzerspähwagen AB43 203(i). After the war, the Italian police used them until 1954, also in the ‘Ferroviaria’ version.
Camionetta SPA-Viberti AS42 ‘Sahariana’
In 1942, a prototype of a Camionetta (Italian term for military big jeeps or unarored reconnaissance vehicle) on the chassis of the AB41 was presented to the Italian High Command, for a completely different task compared to those of the AB41. The SPA-Viberti AS42 ‘Sahariana’ was a large car with a central fighting compartment and the same engine as the AB41 at the back. This Camionetta was used for really long-range reconnaissance, ambush and to counter the British Long Range Desert Group (LRDG).
These vehicles could be armed with several weapons, including the Cannone-Mitragliera Breda 20/65 Modello 1935 automatic cannon, the Cannone da 47/32 Modello 1935 anti-tank gun, or the Solothurn S-18/1000 anti-tank rifle and a maximum of three Breda Mododello 37 or 38 medium machine guns. The vehicle had 9 mm of armor on the front and around the combat compartment, while the engine compartment had only 5 mm of armor. The AS42 usually had Pirelli Tipo ‘Libia’ tires, had a range of 535 km, and could carry up to twenty-four 20-liter Jerry cans (20 with petrol and 4 with water), giving it a total maximum range of over 1,200 km. Another difference when compared to the AB41 was the absence of the rear driver position and the steering, which was done using only the front wheels because the vehicle was designed also to participate in skirmishes against other similar vehicles, not only for reconnaissance.
Another version of the vehicle, called SPA-Viberti AS42 ‘Metropolitana’, used for ‘continental’ soil, differed only by the adoption of 11.5 x 24″ Pirelli Tipo ‘Artiglio’ tires and that two huge boxes of ammunition were used instead of ten petrol jerry cans.
In total, of the two versions, about 200 vehicles were produced. The sources are not very clear as production records were destroyed during the war. These vehicles fought in North Africa, Italy, and, after 8th September 1943, captured by German forces, they were used in France, Ukraine, and finally Germany. They too, after the war, were reused by the Italian police until 1954.
AB41 Ferroviaria
In 1941 the German Army, the Hungarian Army, and the Royal Italian Army attacked Yugoslavia and divided the occupied territories. Soldiers who escaped capture and civilians immediately organized a clandestine resistance that led to several sabotage and attacks. To defend the railways, fundamental to bring supplies to the various Italian and German strongholds, on 24 January 1942, the High Command of the Royal Italian Army ordered Ansaldo and FIAT to find a solution.
To date, 9 AB41 armored cars have survived, three have become monuments at Italian Army barracks, four are on display in museums, two in Italy, one in Egypt in the El Alamein War Museum, and the last in South Africa in the Museum of Military History in Johannesburg.
There are also two vehicles still running, one in France in the city of La Wantzenau and the second in Italy, in Grosseto, at the Barracks of the 3° Reggimento ‘Savoia Cavalleria’.
Conclusion
The chassis of the AB series, from which several vehicles were produced, was well designed for the Italian standards of the period. The armament, speed, and armor were adequate for a reconnaissance vehicle. It was used on all fronts during the war with good results, from the arid African deserts to the harsh Russian winters. After the war, the AB41 was used for many more years by the Police and Carabinieri in Italy and by the French Gendarmerie in Africa.
Autoblinda AB41, February 1941, Libya. The Saharan kaki tone was the most common in Africa, but a variety of complex spotted patterns were also tried later.
Autoblinda AB41 of the long range reconnaissance patrols of the Bersaglieri, a cavalry unit attached to the Ariete Division, Libya, May 1941.
Autoblinda AB41, Italy, November 1942, 15° Reggimento Cavalleria of Brescia.
AB41 specifications
Dimensions (L-W-H)
5.20 x 1.92 x 2.48 m
Total Weight, Battle Ready
7.52 tons
Crew
4 (front driver, rear driver, machine gunner/loader, and vehicle commander/gunner)
Propulsion
FIAT-SPA 6-cylinder petrol, 88 hp with 195 liters tank
Speed
Road Speed: 80 km/h
Off-Road Speed: 50 km/h
Range
400 km
Armament
Cannone-Mitragliera Breda 20/65 Modello 1935 (456 rounds) and Two Breda Modello 1938 8 x 59 mm medium machine guns (1992 rounds)
Armor
8.5 mm Hull
Turret
Front: 40 mm
Sides: 30 mm
Rear: 15 mm
Total Production
667: 435 with ABM 1 Engine, 232 with ABM 2 Engine
Sources
With the precious help of Marisa Belhote who shared photos and information on the AB41 employed by the French resistance and gendarmerie.
Thanks also to Marko Pantelić who shared information and photographs of the Yugoslavian AB41.
I Mezzi Blindo-Corazzati Italiani 1923-1943 – Nicola Pignato.
La Meccanizzazione dell’Esercito Italiano fino al 1943 Tomo 2 – Andrea Curami e Lucio Ceva
Gli Autoveicoli Da Combattimento dell’Esercito Italiano – Nicola Pignato e Filippo Cappellano.
Le Autoblinde AB 40, 41 e 43 – Nicola Pignato e Fabio D’Inzéo. http://polejeanmoulin.com/page33/
Bojan B. Dumitrijević and Dragan Savić (2011) Oklopne jedinice na Jugoslovenskom ratištu,
Institut za savremenu istoriju, Beograd
Bojan B. Dumitrijević (2010), Modernizacija i intervencija, Jugoslovenske oklopne jedinice 1945-2006, Institut za savremenu istoriju
Italian Tanks and Combat Vehicles of World War II – Ralph A. Riccio
Oklopne jedinice na Jugoslovenskom ratištu 1941-1945, Institut za savremenu istoriju, Beograd – B. B. Dimitrijević and D. Savić (2011)
Arsenal 42 – A. Radić (2011)
https://digilander.libero.it/lacorsainfinita/guerra2/43/corsica1943.htm
http://www.regioesercito.it/reparti/cavalleria/regcav9.htm
Aggredisci e vincerai – Salvatore Loi
Italia 43-45 I Mezzi delle Unità Cobelligeranti – Luigi Manes
Italian Armored & Reconnaissance Cars 1911-45 – Filippo Castellano and Pier Paolo Battistelli
Le autoblinde AB 40, 41 e 43 di Nicola Pignato e Fabio d’Inzéo
combattentiliberazione.it
Syrian Arab Republic (2013-Present)
Wheeled Self-Propelled Gun – Unknown Number Built
The 130 mm M-46 Field Gun on the IVECO TRAKKER truck chassis and the 130 mm M-46 Field Gun on the Mercedes-Benz Actros 4140 truck chassis are two Wheeled Self-Propelled Guns (W-SPGs) developed by the Syrian Arab Republic in the early 2010s. They were meant to provide troops with a highly mobile cheap and easy-to-produce self-propelled gun to provide support.
Due to the outbreak of the Syrian Civil War after an escalation of violence on March 15, 2011, development was halted. Production resumed during the war by Syrian Arab Armed Forces troops in specialized workshops.
Genesis of the Syrian Artillery
Between the 1950s and 1970s, Syria received over a thousand artillery pieces from the Soviet Union for use in the Arab-Israeli conflicts. These included about 600 122 mm D-30 howitzers, 400 122 mm D-74 howitzers, and no more than ten 180 mm S-23s.
A few dozen D-30s went to arm the T-34-D-30 122 mm self-propelled gun on the hull of the venerable T-34-85 medium tank. Over the decades, these artillery pieces have been joined by some Soviet-made self-propelled guns, such as almost 400 2S1 Gvozdika, 100 2S3 Akatsiya, and 18 2S9 Nona self-propelled mortars.
According to military expert Yuri Lyamin, a self-propelled gun on the frame of an 4-axle truck armed with a 130 mm gun was already in development before 2011. It can be assumed that the project was influenced by the Cuban self-propelled guns of the Jupiter series, officially presented to the world in 2006, since the Republic of Cuba and Syrian Arab Republic still maintain close international relations today.
It is also possible to assume that the development of the SPG was shelved after the outbreak of the Civil War, as the Syrian state needed most funds to finance the war.
With the beginning of the Civil War in 2011, the fragmentation of forces and the loss of huge quantities of material ending up in the hands of the rebels, the Islamic State, or destroyed in combat, it was necessary to put a self-propelled gun into service as soon as possible. The result was a 130 mm M-46 Field Gun on an IVECO TRAKKER chassis, with great off-road capability and an unrivaled (in the conflict) firing range of 27 km with standard rounds.
Design
IVECO TRAKKER Frame
The chassis on which the Syrian wheeled self-propelled gun is based is the chassis of the heavy IVECO TRAKKER 8×8 420 produced by the Italian company IVECO Veicoli Industriali (Industrial VEhicles COrporation). It has a sturdy chassis and good off-road capabilities.
The truck entered production in 2004, having many different variants: 4×2, 4×4, 6×4, 6×6, 8×4 and 8×8. The lightest option weighs 18 tonnes (vehicle and cargo), with the heaviest at 72 tonnes (of which 50 tonnes are cargo).
The truck comes in different configurations: heavy duty truck, tractor unit, fire truck, and worksite vehicle. It can be equipped with different engines with different horsepower outputs too, from the least powerful at 360 hp for the 4×2 to 560 hp in some 8×8 vehicles.
This powerful heavy duty truck, produced for both the civilian and military markets (the Bundeswehr has ordered 1,048 in the Geschützte TransportFahrzeuge or GTF version in January 2021), has excellent performance with reduced costs and consumption. The naming convention for this truck is rather simple, being composed of the cabin type, the horsepower output of the engine, and the drive type (8×4 or 8×8).
The engine of the Syrian TRAKKERs is the IVECO Cursor 13, a 6 cylinder in-line engine with a 12.88 liters capacity, delivering 420 hp at 1,900 rpm. The truck has a 1,200 liters fuel tank, with fixed geometry supercharging and a Waste-Gate (WG) valve.
Its total weight is 1,345 kg. It is liquid-cooled with 4 valves per piston. The engine is equipped with Electronic Diesel Control (EDC) and a Fixed Geometry Turbo with Aftercooler (TCA). The engine also complies with the European Euro VI emission standards.
The cabin of the Syrian IVECO TRAKKER is of the AT (Active Time) type, with a width of 2.30 meters, a height of 3.10 meters, and a length of 1.70 meters.
Of the four wheel axles, the first two are steered in order to reduce the turning radius. The maximum weight of the vehicle (loaded) is 72 tonnes according to the regulations of the Italian laws. The self-propelled weighs less than 30 tonnes with the modifications and the gun mounted.
The transmission is a German-built 16 gears manual ZF-16 with reduction gear.
The IVECO trucks used by Syria were probably purchased from Libya, which produced them at the Libyan Trucks and Bus Company in Tripoli. From photographic evidence, at least 4 such SPGs have been produced on the chassis of this truck.
Mercedes-Benz Actros 4140 Frame
Another version of this self-propelled gun is based on the Mercedes-Benz Actros 4140 8×4 chassis.
Like the IVECO TRAKKER, this too is a heavy duty truck. It entered production in 1996 and is still in production in different versions: 4×2, 4×4, 6×4, 6×6, 8×4 and 8×8. The lightest version weighs 18 tonnes with a full load, and heavier versions can carry a maximum load of 44 tonnes and a towable load of 135 tonnes.
The Syrian version is equipped with an OM501LA III/5 6 cylinders in-line engine, with a 11.946 liters capacity, delivering 400 hp at 1,800 rpm. IT has a 1,200 liter fuel tank with a Unit Pump System (UPS).
The cab of the Mercedes-Benz Actros 4140 is a model ‘S’, designed for everyday use, with a width of 2.50 meters, a total height of over 3 meters, and a length of 2.30 meters. The maximum weight of the vehicle is 44 tonnes full load. The transmission is semi-automatic, with a 16-speed gearbox.
It is unclear how many SPGs have been produced on the Mercedes chassis in Syria. Photographic evidence shows that there are at least four different vehicles with differences between them regarding cab protection.
The Self-Propelled Gun
The 130 mm M-46 Field Gun SPG keeps the chassis and the cabin of the truck unchanged, removing only the cargo bay.
The cabin is kept intact, except for the removal of the rear view mirrors. The cabin is covered by an armored structure that protects it on each side. This has a simple square construction with two side doors without slits. These can be opened to the back. On the front, there were two hatches for inspection of the engine compartment, with grilles for radiator cooling. Two more hatches in the front cover the windscreen, with slits for the driver and commander. The two hatches are lowered while driving for better visibility.
A very serious problem on TRAKKER chassis vehicles is the absence of rear-view mirrors and side and rear slits. This inability to see beyond the frontal arc of the vehicle causes problems when driving with a convoy or on congested roads with civilian vehicles.
The self-propelled guns on the Mercedes-Benz Actros 4140 hull have both a fully covered cab and two side hatches on the side doors, which can be lowered to allow the driver and commander to have a side view as well.
At least three self-propelled guns on a Mercedes hull have been armored only partially. The armor plates cover only the front windscreen and the upper part of the doors and the rear, leaving the rest of the cabin uncovered.
Behind the armored cabin is the travel lock and, in some cases, a structure made of welded iron tubes to hold the muzzle brake. Behind the travel lock, there are four boxes on each side. The first two, which are smaller, contain the launch charges, while the last two, which are larger, contain the 130 mm rounds.
There also appears to be a large box between the two rows of ammunition boxes, but the purpose is somewhat uncertain. It could be used to transport spent casings or to transport the crew’s personal equipment.
Finally, on the back of the vehicle, is the gun mounting in the center. The left side has a walkway for the crew to operate around the gun, while on the right side is a box, probably for spare optics.
On the sides, some vehicles have some supports for rods used for waterproof sheets. These can be used to protect the cannon from the sand. Behind the gun are two hydraulic jacks connected to a spade that is lowered when the self-propelled gun is in position.
The spade lifts the two rear axles off the ground and also the second front axle, decreasing the recoil stress transferred to the truck frame. The spade also has two steps to facilitate access for the gun loaders.
Generally, photos show the vehicles loaded with the crew’s personal items, waterproof sheets to cover the vehicle from the weather and sand, and barrels or bottles of water.
Armament
The armament is a 130 mm M-46 L/55 towed field gun of Soviet origin. It was developed between 1946 and 1950 on the basis of the 130 mm M-36 naval gun and produced between 1951 and 1971. It was initially designated M1954 by Western analysts, after the year when it was publicly shown for the first time.
It has a horizontal sliding-wedge breech and hydro-pneumatic recoil dampers. Syria had received around 650 pieces from the Soviet Union during the 1950s and the 1980s and another unknown quantity from Egypt, which even today produces a variant of the M-46 as the M59-1M. The M59-1M is actually a license built Type 59-1, which in turn is the Chinese license build of the M-46.
The Chinese and Soviet models have different carriages. The Type 59-1 has the carriage of the Type 60 (a copy of the Soviet 122 mm D-74), but the cannon and the breech remain identical.
Keeping the original mounting, the gun has an elevation of +45°, while the original depression of -2.5° is no longer possible due to the vehicle cab. The artillery piece, despite losing the wheeled carriage, probably maintains a limited traverse of 25° to either side. Firing at higher traverse angles would probably cause the vehicle to become unstable and overturn.
The gun could be equipped with an OP4M-35 direct fire sight with a field of view of 11º and a magnification of ×5.5 or an APN-3 active/passive night sight, but these are probably not used given the lack of direct fire ability due to the lack of depression.
There are no photos of the self-propelled guns in action, so it is not possible to know the exact number of crewmembers operating on each vehicle. It can be assumed that there are 6 or 8 crewmembers operating the gun, as on vehicles of similar characteristics, such as the Cuban Jupiter V wheeled self-propelled gun.
The driver and commander sit inside the cabin (on the IVECO, while on the Mercedes-Benz, there are three seats inside the cabin). The other crewmembers must be transported in another vehicle that probably also carries more ammunition for the gun.
The M-46 weighs 2,780 kg without the wheeled carriage and the shield. Its rate of fire is probably as on the standard M-46 field gun, from 6 to 8 rounds per minute.
Due to the improvised nature of the vehicles, the stability of the chassis is severely strained during shooting, despite the spade lifting the vehicle. In some photos, parts of the armor plates are absent, as the shock from firing blew them off.
Ammunition
The vehicle carries four boxes of ammunition, for a total of 24 rounds, with another four boxes with separate charges. On top, behind the ammunition boxes, more crates of ammunition are sometimes carried. This solution allows the crews to carry a few more rounds on each vehicle.
The M-46 can fire different types of projectiles developed over the decades, not only by the Soviet Union, but also by Israel, China, Vietnam, and Iran. These are mainly High-Explosive (HE), High-Explosive Fragmentation (HE-Frag), Armor Piercing (AP), Rocket Assisted Projectile, Illuminating, and Smoke shells.
The separate charge casing has a dimension of 130 x 845 mm R. The Syrian SPGs could fire a wide range of 130 mm ammunition:
Penetration against a 90° Rolled Homogeneous Armor Plate (millimeters)
500 m
1,000 m
1,500 m
2,000 m
3,000 m
4,000 m
BR-482
APCBC-HE-T
250
240
225
210
180
150
Penetration of a 60° Rolled Homogeneous Armor (millimeters)
At distances
500
1,000
1,500
2,000
3,000
4,000
BR-482
APCBC-HE-T
205
195
185
170
145
120
Foreign rounds used by Syria
Name
Nation of origin
Type
Total weight (kg)
Round weight (kg)
Explosive mass (kg)
Muzzle velocity (m/s)
Range (m)
Iran
HERA*
57.7
32
970
42,000
BEE4
China
ERFB-BB**
44,000
Note
* High-Explosive Rocket Assisted
** Extended Range Full Bore – Base Bleed
Operational Use
Very little is known about the service of the 130 mm M-46 Field Gun on IVECO and Mercedes-Benz chassis. Some were spotted in Damascus during the Battle of Damascus from July to August 2012 and in the Battle of Aleppo in 2016, where they mostly hit ISIS (Islamic State of Iraq and Syria) positions, but also Free Syrian Army rebel units that were fighting against President Bashar Al-Assad.
In mid-July 2017, they were used against ISIL (Islamic State of Iraq and the Levant) terrorists in the Eastern Hama region. The vehicles were photographed in both monochromatic sand yellow and a two-tone camouflage composed of dark green with sand colored patches.
One photo from 2017 shows as many as 6 self-propelled guns lined up in the desert, some with two-tone camouflage and others monochromatic.
Conclusion
Although the exact operational history of these vehicles is unknown, some conclusions can be based on the scant online information.
The wheeled self-propelled guns on IVECO and Mercedes-Benz chassis are economical, easy-to-modify, low-consumption, and low-maintenance vehicles. The modification also made the 130 mm M-46 Field Gun much easier to deploy, being carried on an 8×8 truck with decent off-road characteristics and high speed instead of being towed by a slow prime mover.
These W-SPG provide Syrian ground troops with adequate artillery fire with a maximum range of 44 km, but it is unclear how many were built and if they will be maintained following the end of the Syrian Civil War, whenever that may come.
Specification 130 mm M-46 Field Gun on IVECO TRAKKER Chassis
Crew
probably 6 , driver, commander, gunner and 3 loaders
Propulsion
IVECO Cursor 13 delivering 420 hp at 1,900 rpm with 1,200 liters tank
Democratic People’s Republic of Korea (1949-1980s)
Light Reconnaissance Armored Car – Unknown Number Built
After the birth of the Democratic People’s Republic of Korea (DPRK) on September 8th, 1948, the Soviet Union, which supported the small communist nation on the Korean peninsula, began to provide several thousand military vehicles to form the Korean People’s Army – Ground Force (KPA-GF). Among these vehicles, there were some BA-64 light armored reconnaissance all drive armored cars. These had proven themselves during the Second World War when used appropriately.
Used by the KPA during the Korean War, the BA-64 still proved to be valuable, even if the weapons of war had changed and the limitations of this 1942 armored car began to be evident.
Despite the moderate performances of the BA-64 during the three years of war, the Korean People’s Army kept the armored car in service for several decades, finally withdrawing them from service in the 1980s.
Soviet Armored Car Genesis
The first domestically-built armored cars to be used by the Russians date back to 1913, when the Russian Empire ordered 15 light armored cars and 3 trucks armed with machine guns from the Russo-Balt Wagon Factory. In 1914, the Russian Imperial Army created the first Automobile Corp, with a company of Russo-Balt armored cars that had their baptism of fire in mid-October 1914.
During the First World War, the Russians used armored cars of various makes and qualities extensively, with soldiers and generals having the opportunity to appreciate their characteristics.
During the Russian Civil War (7 November 1917 – 16 June 1923) and the Polish-Soviet War (14 February 1919 – 18 March 1921), the armored cars produced in Russia or purchased from abroad during WW1 were used extensively with good results, satisfying the expectations of the Soviet generals. The Soviet High Command decided to continue the development of armored wheeled vehicles.
In the 1920s, the only model of Soviet armored car in production was the BA-27 (BA stands for ‘БронеAвтомобиль’, Armored Car in Russian). It was built by the Avtomobilnoe Moskovskoe Obshchestvo, AMO (Eng: Moscow Automobile Plant), on the chassis of the AMO-F-15 truck. This was a license production version of the Italian FIAT F-15 truck.
Other projects included the FAI and FAI-M, BA-20, and BA-I, the last of which gave birth to the powerful series of Soviet Heavy Armored Cars, from the BA-3 to the more modern BA-11.
The BA-64 Light Armored Car
After the beginning of Operation Barbarossa, the Red Army High Command realized that the older light armored cars in service were no longer adequate for the Eastern Front. Thus, less than a month after the start of the German invasion, the development of a new light reconnaissance armored car began at the Gorkovsky Avtomobilny Zavod or GAZ (Eng: Gorky Automobile Plant).
After an attempt to modernize the BA-20, the GAZ Bureau designers resumed the design of the LB-62, a light armored car based on the GAZ-62 chassis with a T-40 light tank turret. This was developed after analyzing a captured German Sd.Kfz. 221. The new vehicle had an armored structure with fully welded plates, mounted on the chassis of the new all-drive GAZ-64 which had just gone into production at the Gorkovsky Avtomobilny Zavod.
By January 9th, 1942, the first prototype was ready. On February 17th, evaluation tests began, and on March 8th, 1942, it was presented to Stalin at the Kremlin. Finally, on March 14th, 1942, after due modifications, the armored car was accepted into service.
The new octagonal turret was open-top, so that the machine gun could also be fired at aerial targets.
The armament consisted of a Degtyaryova Tankovy (English: Degtyaryov Tank – DT) gas-operated, flapper blocking light machine gun chambered for the standard Soviet 7.62 x 54 mm R cartridge with a firing rate of 550 rounds per minute. This type of machine gun was the tank version of the famous Degtyaryova Pekhotny (Degtyaryov Infantry – DP) Model 1927, developed by Vasily Degtyaryov in 1927. The DP had entered service with the Red Army in 1928.
The version for armored vehicles was developed and entered service in 1929 starting from the base of Degtyaryova Aviatsionny (Degtyaryov Aeronautica – DA), also being named DT-29.
The machine gun did not have a wooden stock but an adjustable metal stock, so as to occupy less space when not in use. The ammunition consisted of 20 round-shaped 63-round magazines, for a total of 1,260 rounds. The vehicles fitted with RP-12 radios (about 40% of the vehicles produced) had only 17 magazines, for a total of 1,071 rounds.
The crew consisted of only two, a driver and a commander/machine gunner/radio operator. The interior of the armored car was very basic. Eleven magazines for the machine gun were stowed on the right, with 9 on the left. On the left side was a medical kit, an engine ignition battery, a fire extinguisher and, on the vehicles on which it was mounted, a radio.
The driver had a steering wheel, a dashboard with a speedometer and other dials and a gear shift lever, clutch, accelerator, and brake as well as 4 spare vision blocks in a rack on the right side.
There were two access doors, one on either side of the driver. There was also a large frontal armored slot to see where to drive. On mid-production vehicles, two vision slits were added, allowing a driver to see towards the sides of the vehicle and use their personal weapon for close defense.
A commander could exit the top of the turret and had two side slits from which to observe the battlefield. In addition to the DT-29 machine gun, the crew could also rely on their personal automatic weapons and 6 to 8 F-1 fragmentation hand grenades (depending on the model of BA-64) stowed on the sides of the armored car.
The motor was the GAZ-MM (sometimes called GAZ-64-6004) in-line 4-cylinder liquid-cooled 3,280 cm³ engine delivering 50 hp at 2,800 rpm. This guaranteed a top speed on-road of almost 80 km/h. The fuel tank was mounted at the rear, behind the gunner, holding 90 liters of fuel and offering a 560 km range, adequate for a 2.4 tonnes vehicle.
The BA-64B version was based on the chassis of the GAZ-67, which was almost identical to the GAZ-64, but with new K-23 carburetors (and later K-23B carburetors). These increased the maximum power of the engine to 54 hp. This engine is sometimes called GAZ-64-6004-B.
The gearbox had four forward and one reverse gears. The drive to the front-wheels could be disengaged by the driver to consume less fuel. The front suspension consisted of two elliptical springs and one hydraulic shock absorber for each wheel. The suspension of each of the rear wheels consisted of one semi-elliptical spring and two hydraulic shock absorbers. From February 1943 onward, two additional shock absorbers were added to the suspension on the front wheels and the springs were strengthened.
The wheels of the armored car were of the size 7.00-16″ and were of two types: ‘GK’ or ‘Combat’, filled with spongy rubber that resisted bullets but limited the maximum speed to 40 km/h; or conventional tires of the same size, that guaranteed a maximum speed of almost 80 km/h on the road.
A total of 9,069 BA-64 armored cars were produced between April 1942 and 1946, of which 6 were prototypes of various experimental models, 3,903 BA-64s, and 5,160 BA-64Bs.
The Democratic People’s Republic of Korea
Exactly 3 months after the end of the hostilities in Europe, on August 8th, 1945, Stalin declared war on Japan. On August 15th, the troops of the Soviet Red Army crossed the border that separated the Soviet Union from Korea, advancing without meeting Japanese resistance and entering Pyongyang on August 24th.
As previously agreed with the Western Allies, the Soviet troops ended their advance about halfway down the Korean peninsula, at the 38th parallel. There, they waited for the US troops that landed on the southern part of the peninsula on September 8th.
After an attempt to unify the two states failed, on August 15th, 1948, the Republic of Korea was proclaimed in the south, with its capital at Seoul and presided over by Syngman Rhee. On September 9th, 1948, the birth of the Democratic People’s Republic of Korea was proclaimed in the north, with its capital at Pyongyang. This embryonic Stalinist state was guided by the first of a dynasty, the ‘Great Leader’, Kim Il-sung.
The BA-64 during the Korean War
At the outbreak of the Korean War, on June 25th, 1950, the forces of the Korean People’s Army were divided into two armies. The 1st Army, under the command of General Kim Ch’aek, consisted of the 1st, 3rd, 4th, and 6th Infantry Divisions, and the 105th Armored Brigade. They were ordered to take the Ongjin Peninsula and Seoul, the capital of the ROK.
The 2nd Army, commanded by General Kim Kwang-hyop, was instead composed of the 2nd, 5th, and 7th Infantry Divisions, with the task of invading the central-eastern part of South Korea, in the direction of Inje. In total, there were 54 BA-64 and BA-64B armored cars in the KPA’s ranks, which had arrived from the Soviet Union before the war.
The BA-64 reconnaissance armored cars played a secondary role to the SU-76Ms and T-34sof the Korean People’s Army, the only other armored vehicles in service with Kim Il-sung’s army.
Along with a few GAZ-AA trucks equipped with DShK heavy machine guns, the armored cars were used in the early stages of the war as infantry support vehicles, a task not suitable on a vehicle with such limited protection and armament.
During the fighting of the early days of the war, the BA-64s encountered many difficulties. Although the ROKA had no armored vehicles, apart from 200 M8 Greyhounds donated by the US Army before the war, the poorly organized ROKA forces made extensive use of anti-tank weapons such as 57 mm M1 cannons, M1 Bazookas and derivatives, and 57 mm and 75 mm M18 and M20 recoilless rifles. These were not very effective against the mighty T-34-85s, in large part, due to their technical limitations and the training and inexperience of their operators, but could deal with the lighter and far less protected BA-64.
At about 1800 hrs of June 26th, 1950, around 20 junks and less than 10 motor gunboats and motor torpedo boats of the Korean People’s Navy approached Gangnyeongpo, the northern tip of the Gimpo peninsula, controlled by the Republic of Korea Army. The 5th Company of the 2nd Battalion of the 12th ROKA Regiment opened fire and annihilated the KPA troops that were landing, as well as sinking a platoon of armored vehicles. These were probably BA-64 light armored cars or simple trucks mistaken for armored vehicles. They were aboard a junk that was hit by several 37 mm Armor-Piercing (AP) shells from an M8 Greyhound armored car.
As the offensive continued, the BA-64s became increasingly rare. After the first phase of the Korean advance there was a counter-attack by UN troops, led by a daring landing at Inchon, 40 km southeast of Seoul. This amphibious operation, planned by General MacArthur and executed on September 15th, 1950, led to the almost total annihilation of the Korean People’s Army troops south of Seoul.
To avoid being surrounded, the North Korean soldiers had to flee north, abandoning some intact BA-64s due to a lack of fuel. In some cases, some BA-64s were ditched during the replacement of a blown tire or other minor repairs, not due to a lack of spare parts, but due to a lack of time. One of these, abandoned down to a lack of fuel, was the BA-64B of the 603rd Reconnaissance Battalion assigned to the 105th ‘Seoul’ Armored Division. It was captured together with the GAZ-67 staff car of some North Korean officer near Busan in September 1950.
In Incheon, after the landing of the Marines of the X Corps, composed of the 1st Division supported by the 1st Marine Tank Battalion, 7th Marine Division, and the 73rd Tank Battalion, no DPRK tanks were encountered. The only armored vehicle that engaged the U.S. troops was a BA-64, which was hit and destroyed by a 90 mm shell fired from M26 Pershing number 34, commanded by Sergeant Cecil Fullerton, of the 1st Marine Tank Battalion.
During the Second Battle of Seoul, fought between September 22nd and 27th, 1950, some BA-64s of the Korean People’s Army 43rd Tank Regiment were destroyed, but there is no more information.
During this initial part of the war, several tens of BA-64 and BA-64B armored cars were lost. By late December 1950, the time of the arrival of some replacements from the Soviet Union and China, the KPA had only 60 BA-64 armored vehicles in service.
As the fighting progressed, the number of BA-64s on the frontlines diminished, being relegated to patrolling the conquered areas and maintaining law and order in cities such as Seoul.
As the war progressed, they returned to their reconnaissance role, patrolling areas where there was a possibility of encountering enemy units. If they sighted enemy troops, the armored cars would turn around and return to friendly positions.
While this tactic worked during World War II when German patrols were armed at most with automatic weapons, it could not work in the 1950s. UN troops almost always patrolled with the support of an anti-tank squad armed with Bazookas or recoilless rifles which could easily destroy BA-64s even at long range. M20 75 mm recoilless rifles, for example, could easily destroy BA-64s before they were even in range of the DT-29 machine gun.
The People’s Republic of China received around 50 BA-64s in 1945 during the Chinese Civil War, left behind by Soviet soldiers in Manchuria. Some sources report that, after the victory of Mao Tse Tung’s troops, the People’s Republic of China received a number of BA-64 in 1949 from the Soviet Union. This is not confirmed by Soviet records, which state that they started to arm the People’s Liberation Army in 1950. Of the 50 BA-64s that arrived in China during the Civil War, some, which survived the fighting, may have ended up in the Korean peninsula fighting alongside communist units.
After the initial phases of the war, there was a long stalemate that lasted from July 1951 to July 1953. At this period, the few BA-64s still in service returned to a reconnaissance role and no longer undertook offensive or support roles. Nine years after its development, the small reconnaissance armored car was still effective while being vulnerable to any anti-tank weapon or reconnaissance vehicles of the UN troops, such as the South Korean M8 Greyhound armored cars, M24 Chaffee light tanks used by various nations, and British Humber medium scout cars.
Some vehicles were allegedly modified by crews on the battlefields, as Soviet crews did in World War II, with 12.7 x 108 mm DShK heavy machine guns and 14.5 x 114 mm PTRD-41 and PTRS-41 anti-tank guns. These weapons created ergonomic problems for the crew and made the armored car heavier and more unstable, but provided some additional offensive options against the more powerful UN vehicles.
Captured BA-64s
During the war, at least half a dozen BA-64 and BA-64B armored cars were captured by UN troops. Two unit numbers are known, the BA-64B numbered ‘718’ and the BA-64B numbered ‘749’, which was captured together with another armored car, two Soviet M72 motorcycles and other equipment on a North Korean train on July 7th, 1950.
‘718’ and another BA-64, captured in September 1950, were packed up and shipped to the Aberdeen Proving Ground in the United States of America. Another BA-64B was modified by the mechanics of the 24th US Infantry Division by removing the turret, front plate, fenders, and headlights for better visibility. They used it with new US markings as a staff car for the 21st Infantry Regiment until spare parts ran out.
In recent years, BA-64B number ‘718’ has been restored at the Aberdeen Proving Ground, undergoing a long and laborious restoration process. It should have been on display at the Southern New England Military Museum, but that does not appear to have happened yet. The fate of the second BA-64 that arrived in the USA is unknown.
Post-War DPRK Service
After the Korean war, the BA-64 and BA-64B armored cars were kept in service in the reconnaissance units of some mechanized and armored divisions of the Korean People’s Army for another ten years.
The exact number of BA-64 and BA-64Bs used by the Korean People’s Army – Ground Force is not known, but it is possible that the DPRK received around 200 and 300 before, during, and after the Korean War.
From the experiences gained during the war, Korean commanders realized that the presence of vehicles so limited in armament and protection was not necessary. This led subsequent developments to focus on heavier and more powerfully armed tracked vehicles.
In the 1960s, the remaining BA-64s were passed on to second-line units and to the Workers-Peasants Red Guards, a paramilitary force in the DPRK, which kept them in service until the mid-1980s.
In 2013, Adam Åberg of the Blekinge Institute of Technology wrote a paper entitled “Vehicle Design – The Concept of Recontextualization” in which he made the claim that the BA-64s were still in service in the DPRK at the time.
If this was true, the DPRK was the only nation to keep this obsolete vehicle in service up to the 2010s. It can be supposed that, if this were true, the BA-64s were only used for training or ceremonial purposes. Their only value today would be their ease of maintenance.
Conclusions
The BA-64 was an outdated light reconnaissance armored car by the time of the Korean War, suffering a very revealing number of losses during the early stages of the war, when it was employed as an infantry support vehicle.
As the war went on, the BA-64 and BA-64B armored cars still in service were used for reconnaissance, a task that they could still perform fairly well. They would remain in service even after the war’s end, although the date they were taken out of service is unknown.
BA-64 specifications
Dimensions (L-W-H)
3.66 x 1.53 x 1.90 m
Total Weight, Battle Ready
2.42 tonnes
Crew
2 (commander/radio operator/machine gunner and driver)
Propulsion
GAZ-64-6004 in-line 4-cylinder liquid-cooled 3,280 cm³ engine delivering 50 hp
Islamic Republic of Iran (2016-Present)
Main Battle Tank – 800 To Be Built
The Karrar (English: Striker) is Iran’s latest Main Battle Tank (MBT). It is one of the first produced entirely by Iran and was first unveiled in 2016 and officially entered active service in 2020. It is produced on the basis of the Soviet T-72 and its external shape is inspired by the most modern Russian T-90 export version, the T-90MS ‘Tagil’. In spite of this, Iran denies any Russian involvement in the vehicle’s development.
The Karrar is a cheap modernization for Iran’s obsolete T-72 fleet meant to keep them competitive with small modifications to the production line.
Context – The T-72 and Iran
During the Iran-Iraq War (1980 to 1988) Iran was able to capture, according to some estimates, up to a hundred Iraqi T-72 Ural tanks. These were superior to the Soviet, Chinese, and North Korean MBTs in service with Iran.
In the years following the war, Iran bought 200 second-hand T-72M and T-72M1 tanks from Belarus which, after the collapse of the Soviet Union, could no longer afford to keep them in service.
In the mid-1990s, licensed production of the T-72S began in Iran at the Bani Hashim Defense Industrial Complex. Iran currently has an estimated number of around 565 T-72s in service.
Selling armament to some factions in the Syrian Civil War and also being involved in the war against the Islamic State in Iraq, Iran could see that the early production models of the T-72 which were in service were no longer able to counter present-day threats. Thus, Iran decided to purchase more modern tanks.
In December 2015, the commander of Iran’s ground forces, Brigadier General Ahmad Reza Pourdastan, announced that Iran was interested in purchasing T-90s from Russia. This was meant to equip Iran in a manner adapted to a more modern warfare environment, in anticipation of the end of UN sanctions.
Two months later, Pourdastan himself backtracked, stating that Iran was no longer interested in buying Russian tanks because it was able to produce an MBT of equal capabilities. The Iranian Army began development of a new vehicle based on the T-72 but with more advanced systems.
The Karrar Prototype
The Karrar, designed by the Organization of Defense Industries of the Islamic Republic of Iran, was first unveiled in August 2016. On March 12th, 2017, it was announced by Iranian Defense Minister, Brigadier General Hossein Dehghan, that an assembly line for the Karrar would soon be built at the Bani Hashim Defense Industrial Complex. There, production of 800 new tanks would begin in 2018.
The prototype was presented to the public in Teheran and had a distinctive two-tone black and light gray camouflage and a sheet-metal armor sleeve to protect the gun barrel.
Apart from these features, the Karrar prototype differed from the regular Karrar in the arrangement of Explosive Reactive Armor (ERA) bricks on the turret, the arrangement of the smoke launchers, and the different remote controlled station on the turret.
Design of the Tank
Turret
The Karrar has a hexagonal welded turret, with the tank commander on the right side, with a cupola, and the gunner on the left side, with a hatch.
The commander’s cupola has eight periscopes for a 360° view and an independent stabilized periscope connected to the anti-aircraft gun. The periscopes have a day/night infrared camera, giving the commander the possibility to survey the battlefield in any lighting and weather conditions.
The gunner has a frontal optic with day and night cameras on the left side of the turret and a smaller auxiliary optic in front of his hatch. The gunner’s sight has two small doors that can be closed to protect it from bullets, dust, and splinters.
The gunner’s hatch has a small round door that can be opened, as on the Russian T-90s, for more ventilation in desert operations or to mount a snorkel kit. This suggests that the Karrar also has the ability to mount a snorkel kit to cross some bodies of water.
The gunner’s sight also has a searchlight on the right side that can be used during night operations.
The commander’s periscope and the gunner’s sight are connected to the tank’s Fire Control System (FCS), which, together with other subsystems, such as a turret-mounted anemometer and a laser rangefinder (mounted on top of the gun), calculates the firing calculation needed to hit a target with maximum accuracy, whether stationary or moving, during day or night.
A Russian source claims that some elements of the FCS were developed based on Western technology mounted on tanks inherited after the Iranian Revolution, such as the Chieftain Mark 3P and 5P (P for Persian) and M60A1 Patton. For obvious reasons of secrecy and due to the impossibility of gathering objective information about the Karrar, this statement cannot be confirmed.
The silhouette of the turret is very reminiscent of the Russian T-90MS even if, as already mentioned, Iran has always denied the involvement of the Russian Federation in the development of the Karrar.
On the right side of the turret, the commander has the Battle Management System, composed of a display with a GPS map with the position of the tank, of allied troops, and enemy positions. This is used to monitor the battlefield. The communication system is based on an unknown model of radio produced in Iran.
The MBT is equipped with twelve smoke launchers of unknown model and caliber with six on each side . The grenade launchers are connected to a Laser Warning Receiver that spots laser beams that are pointed at the vehicle through four turret-mounted detectors offering 360° monitoring. If a laser-guided ATGM or the laser rangefinder of a tank aims their laser beams at the Karrar, the Laser Warning Receiver will automatically fire a salvo of smoke grenades to conceal the vehicle.
The front and the sides of the turret are equipped with reactive armor, while the back is protected by slat-armor to provide protection against RPGs.
On the back of the Karrar’s turret, there is a bustle divided into several compartments. Most likely, one is used for ammunition stowage to refill the automatic loader. This bustle is equipped with blow-out panels. In case the ammunition compartment is hit, instead of triggering a chain reaction that would destroy the tank, these panels vent the power of the explosion upwards, outside the tank, saving the crew.
Hull
The hull is divided into three compartments: the engine compartment at the back, the automatic loader carousel and turret basket in the middle, and the driver’s compartment at the front.
Above the driver there is a hatch, and in front a periscope. Two cameras are connected to a display, probably with day/night capabilities. One is at the front and one at the rear for a clear view of the situation around the tank. Two LED headlights are used for night driving.
Vehicle and performance data, such as speed, fuel consumption, range, engine rpm, etc. are projected on a display for monitoring. The display also projects a GPS map of where the Karrar is operating, allowing the driver to choose the best way to reach a destination.
Externally, the hull of the Karrar is very reminiscent of an updated T-72 or a T-90, with which it shares most of the mechanical components. As the Bani Hashim Defense Industrial Complex was already producing the T-72S under license, the Iranians have only modified the assembly line for the turret, keeping the production line of the hulls with few changes.
Armor
The armor is composed, according to official Iranian information, of composite materials. This information is confirmed by photographic sources that appeared on social media, depicting the turret of the Karrar under construction. The space left free for composite materials between two layers of ballistic steel in the frontal arc is well visible in these.
In addition to the composite armor, Explosive Reactive Armor bricks are mounted on the front and sides of the hull and turret.
These ERA bricks are not the same ones mounted on previous models of Iranian MBTs, which were copies of the Soviet ERA Kontakt-5. They are claimed to be a new version of Explosive Reactive Armor which is more modern, lighter and more effective. Some analysts identify these as a copy of the Russian 3rd Generation Relikt ERA.
According to Iranian General Massoud Zavarei, who is in charge of the Army Ground Force Organization that works on military research and self-sufficiency of the Iranian military industry, this armor is entirely produced in Iran and has been developed without the help of other nations.
Not much can be said certainly about the effective thickness of the armor. If the materials of the composite armor and of the Explosive Reactive Armor are somewhat comparable to those of the Russian T-90 equipped with a welded turret, the Karrar would have a protection of up to 1,150-1,350 mm on the front of the turret and up to 800-830 mm on the front of the hull against High-Explosive Anti-Tank (HEAT) projectiles. This theoretical thickness also changes according to the type of projectile, reaching a maximum of 950 mm on the turret and 750 mm on the hull against Armor Piercing Discarding Sabot Fin Stabilized (APDSFS) projectiles.
The rear sides of the turret, behind the rows of ERA bricks, have spaced and slat-armor, while the sides of the hull are protected by skirts equipped with Explosive Reactive Armor and polymer tiles that protect the wheels. The rear of the hull also has slat-armor, like the turret.
The rear of the vehicle is not protected by any kind of additional armor, but has supports for spare tracks, towing cables and external fuel drums.
The roof of the turret is covered with Explosive Reactive Armor bricks to protect the vehicle from high trajectory missiles, such as Javelins.
Engine and Suspension
Like the hull, the suspension seems to be unchanged from that of the T-72, with 6 road wheels per side connected to torsion bars, a rear sprocket, and a front idler wheel.
The tracks are an interesting object of discussion. On the prototype, the tracks were of the double pin rubber padded type, like those mounted on western MBTs, such as the M1 Abrams or Leopard 2. It seems that, on the production models, the tracks are single-pin tracks with rubber-bushed pins, like on the previous T-72 Soviet tanks.
The use of ‘Western style’ tracks is not out of the ordinary. The Russian Federation, the People’s Republic of China, and the Democratic People’s Republic of Korea, the three largest non-western MBT producing nations in recent years, have also started to use double pin rubber padded type tracks on their T-14 Armata, Type 99, and M-2020 tanks respectively.
It is possible that the decision to use the old tracks is due to an attempt to reduce costs, along with the removal of the metal cover from the cannon. It may also have been implemented because the production line of the new tracks has not kept up with production and, in order to speed up the entry into service, it was preferred to keep the old tracks for now.
Not much information has been released about the engine, with Iranian sources claiming that it is a diesel engine delivering 1,200 hp.
During a visit to the factory where the Karrars are produced by Iranian Amy officials, a datasheet placed on a Karrar stated that the tank’s engine delivers 1,000 hp.
This has created some doubts for analysts. 1,000 hp is not completely adequate for a vehicle like the Karrar, which weighs 51 tonnes. For comparison, the Russian T-90MS ‘Tagil’, which weighs 48 tonnes, has a V-92S2F2 engine that delivers a maximum of 1,130 hp.
According to some analysts, if the engine delivers 1,200 hp, it could be one supplied by Russia or produced under license. This hypothesis is supported by the fact that the engine used on the T-72S, already produced in Iran, has an 840 hp output. There are currently no reports of the production of a diesel engine with such characteristics and power in Iran.
Recently, it is claimed that a 1,300 hp diesel engine has entered production in Iran. Such an engine could, in the future, be used on the Karrar, increasing the available power and therefore the maximum speed of the tank.
According to Iranian sources, the Karrar’s top speed on the road “is over 70 km/h”, with a range of about 550 km with the internal tanks. As on the T-72, the fuel tanks hold 1,200 l of fuel, but the installation of two external 200 l drum tanks is possible, which would increase the range by about 20%.
Main Armament
The main armament of the Karrar is a 125 mm smoothbore cannon derived from the Soviet 2A46M L.48. This weighs about 2.5 tonnes and is capable of firing any type of projectile developed for the Soviet 125 mm cannon.
The prototype of the Karrar was equipped with a sheet-metal armor sleeve that does not seem to have a real utility other than purely aesthetic. It has been eliminated on the serial production vehicles.
The maximum elevation of the cannon is +14°, while the depression is -6°.
The gun has a fume extractor as on the Russian version. It is not known if the gun can be replaced, as the Russian gun, in less than an hour.
Unfortunately, there is no information about the automatic loader. It can be assumed that it is a derivative of the one used by the T-72. The difference between the Karrar and the T-72 is that, for the Iranian tank, the ammunition that cannot be stowed inside the carousel is stowed in the rear turret bustle and not in the crew compartment, thus eliminating a threat for the well-being of the crew.
Secondary Armament
The secondary armament consists of two machine guns, a MGD 12.7, the Iranian copy of the Soviet DShKM 12.7 x 108 mm heavy machine gun, in an anti-aircraft position in a remote-controlled turret, mounted together with the commander’s independent periscope. It can also be used at night thanks to the night and thermal cameras. In the production model, the machine gun is completely covered by a sheet-metal armor sleeve.
The second machine gun is a coaxially mounted Russian 7.62 x 54 mm R PKT, the standard machine gun of all the Soviet and Russian MBTs. Some sources have speculated that the coaxial machine gun was removed, given the sheet-metal armor sleeve mounted around the gun. However, on production models, the presence of the machine gun hole is clearly visible.
Ammunition
The Karrar’s gun is capable of firing all Soviet 125 mm ammunition developed over the past decades and manufactured under license in Iran. High-Explosive Fragmentation Fin-Stabilized (HE-Frag-FS) munitions have a maximum range of 9,200 meters, while APDSFS shells are effective up to about 2,000 meters.
There is no information on what ammunition Iran produces under license. However, it can be assumed that, like other nations using the 125 mm gun, Iran employs, in addition to HE-Frag-FS, many types of APDSFS, many types of HEAT-FS (and Shrapnel-FS ammunition.
Iran has stated that the Karrar can fire, like the T-72 and T-90, a copy of the 9M119 ‘Svir’. This Anti-Tank Guided Weapon (ATGW) is fired by the tank from the gun as a normal munition and is then guided on the target using the laser beam of the laser rangefinder.
The Iranian missile, called ‘Tondar’ (Eng: Thunder), has, according to data released by Iran, a maximum range of 4,000 meters and a penetration of 700 mm steel, which translates into less power than the 9M119. The Russian missile has a range of 5,000 meters and a penetration of 900 mm. It is not clear if the Tondar has a dual HEAT warhead like the Soviet missile.
Service
After having completed the assembly line and started production, the first Karrar units have been delivered to units by the beginning of 2020, a little bit later than initially stated by the Iranian Ministry of Defence. This was probably due to the Covid-19 pandemic that has also slowed down the Iranian military industry.
There is no data yet on the armored units to which the Karrar has been delivered. It is plausible that it will be delivered to units operating the T-72 to complement them and, when production ends, replace them as front-line tanks.
In order not to waste the T-72s already in service, the Iranian Army has developed a new upgrade of the T-72 which is considered a cheap version of the Karrar. Its name is T-72M Rakhsh.
On 22nd December 2021 during the ‘Payambar-e Azam 17’ (Eng: The Great Prophet 17), one of the biggest military exercises held in southern Iran, a new version of the Karrar MBT was spotted, equipped with a camouflage netting used as multi-spectral camouflage that probably makes the vehicle invisible against thermal infrared radar detection.
Conclusions
After witnessing the obsolescence of the early versions of the T-72 in the Middle East conflicts, the Republic of Iran has decided to upgrade its T-72 fleet in an inexpensive way. The Karrar keeps the T-72 hull almost unchanged, but is equipped with a new turret, Fire Control System and armor. It is a simple way to keep the T-72 operatives for a long period of time.
Karrar MBT specifications
Dimensions (L-W-H)
9.5 x 3.7 x 2.3 m
Total Weight, Battle Ready
51 tonnes
Crew
3 (driver, commander and gunner)
Speed
~70 km/h/h
Range
500 km
Armament
125 mm smoothbore cannon copy of the 2A46M, one coaxial 7.62 mm machine gun and a remotely controlled 12.7 mm
Democratic People’s Republic of Korea (1973-Present)
Self-Propelled Gun – Unknown Number Built
The Chuch’e p’o (Korean: 주체포) was the first heavy Self-Propelled Howitzer (SPH) independently developed in the Democratic People’s Republic of Korea (DPRK) for the Korean People’s Army – Ground Forces (KPA-GF).
This vehicle was developed as an ultra-long-range mobile artillery system meant to strike sensitive targets in the Republic of Korea (ROK) without having to cross the Korean Demilitarized Zone and expose the artillery to opposing counter-battery fire.
The Chuch’e p’o (English: Main Gun) is also named M1978 Koksan by the US Department of Defense, as it was first seen by US and South Korean analysts in 1978. This vehicle has had a fairly notable export success by DPRK standards, being sold to Iran in several tens of units.
Korean People’s Army SPGs
The first self-propelled guns of the KPA were an estimated 300 SU-76Ms received from the Soviet Union before and during the Korean War. However, most were destroyed during the war and, as of July 1953, there were only 127 left, which were quickly decommissioned.
After the war, the Democratic People’s Republic of Korea also had a very small number of ISU-122s in service, left in the small communist nation by China as soon as the war ended.
Some sources also mention the use of some SU-100s in service after the war. The Stockholm International Peace Research Institute even goes as far as estimating 100 units delivered after the war, and the KPA Journal states that there were still some in service as of 2010, even if no photos of them are available.
The first Korean-produced SPGs appeared in the late 1960s when the Korean heavy industry was still underdeveloped. The first vehicles were simply Soviet ATS-59 artillery tractors with the roof and the sides of the cabin removed and a Soviet D-20 152 mm or a M-46 130 mm gun mounted in the rear cargo bay. The guns were modified by the Koreans with an SM-4-1 coastal gun muzzle brake.
In 1972, from this simple vehicle, a family of self-propelled guns known as Tokchon was developed. This comprised different vehicles, such as the M1974 and M1977 armed with a Korean 152 mm cannon derived from the Romanian A411 gun.
The M1991 and M1992 were armed with a version of the 130 mm M-46 cannon mounted on the ATS-59 with a superstructure to protect the crew, while the M1975 and M1981 were armed with the same cannon but without the superstructure.
Chuch’e p’o
The M1978 was developed in the early 1970s by the newly formed Second Economic Committee. Its main purpose was to hit sensitive targets in the Republic of Korea and its capital, Seoul, while taking cover behind the Demilitarized Zone.
Its maximum range was 43 km with conventional projectiles. This meant that a projectile could take more than a minute to hit a target south of the 38th Parallel, allowing the gunners to fire a couple of shots and move to another firing position while avoiding the enemy’s response fire.
The origin of the hull
The origin of the hull is still under discussion. It could be that of the Soviet T-54 or T-55 Main Battle Tanks or of the Chinese version, the Type 59. All three vehicles were supplied to the Korean People’s Army by the Soviet Union and the People’s Republic of China.
The T-54-2 and T-54-3 arrived in the Democratic People’s Republic of Korea between the mid and late 1950s but in very limited numbers. They could not even fully complete the ranks of the 105th “Seoul” Armored Division. In the 1960s, the first T-55s arrived and, according to KPA sources, the first license-built T-55s left the factories in 1968.
However, when the KPA realized that its heavy industry was not advanced enough to provide the Army with the armored vehicles they needed, as production of domestic armored vehicles was slow, several batches of Type 59s (and new batches of T-55s) were purchased from China and the Soviet Union in the mid-to-late 1960s.
The T-54-2 or T-54 Model 1949 was produced in the Soviet Union between 1949 and 1952 and was the first version of the Soviet tank to go into production in large numbers in the USSR. It was armed with a 100 mm D-10T cannon with 34 rounds available and a V-54 water-cooled V12 diesel engine with a maximum power output of 500 hp.
The next version, the T-54-3 or T-54 Model 1951, was produced from 1952 to 1954 and differed from the previous version through its new turret that eliminated the previous shot traps, and new optics for the gun.
The T-55 probably arrived in DPRK in the A version, which was produced after 1958 and had some upgrades. The most important were the new V-55 engine with a maximum power of 580 hp, the ammunition count increased to 43 rounds, a smoke extractor and a new NBC (Nuclear, Biological and Chemical) protection system.
The maximum speed of all three tanks was over 50 km/h, with a maximum range of 450 km (600 with external tanks) and a weight between 35 and 36 tonnes.
The Type 59 was produced from 1959 onwards and was essentially a copy of the T-54A with a Model 12150L water-cooled V12 diesel engine and a maximum power output of 520 hp. The gun was essentially the same, with a smoke extractor and a different name, while range, weight and top speed remained unchanged from the Soviet versions.
The hull of the vehicles was heavily modified for the Chch’e’po (which is also why it is difficult to identify which hull it is based upon).
The origin of the main gun
The main armament of the Koksan is a very powerful 170 mm cannon with a barrel length of more than 8 m, meaning it is roughly an L/50. Its caliber is very unusual. In fact, no Soviet, Chinese or even Western artillery pieces have the same caliber.
There is a dispute on the exact origin of this huge weapon given the abnormal caliber. Some sources, like the Korean People’s Army Journal (which is not written by the North Koreans), argue that it may be a derivative of the German 17 cm Kanone 18 in Mörserlafette 170 mm L/47 produced in 1942, which was presumably provided to the Koreans after the Korean War by the Soviets. Some also claim that, along with the guns, the Soviets provided stocks of German ammunition that the Koreans used, but this hypothesis seems more of a conspiracy theory than a real story.
A more sensible hypothesis is that the cannon was derived from the 149 mm Type 96 L/52 Japanese coastal defense cannon. Some examples of this weapon were placed in four Korean fortresses to defend from invasion during World War II, under the command of the 17th Japanese Army.
Two of these fortresses ended up in North Korean territory after the partition of the Korean peninsula in 1945. These were the Rashin Fortress in the eponymous city, on the border with the Soviet Union, and the Wŏnsan Fortress port city on the east coast. The actual origin of the Koksan’s cannon remains unclear and it is also possible that the North Koreans independently developed the cannon.
The cannon has an estimated rate of fire of 2 rounds every 5 minutes. It can fire at least three types of projectiles, including High Explosive – Fragmentation (HE-Frag) with a range of 43 km, enough to hit, for example, Incheon and Seoul from behind the DMZ.
The second type of projectile known for the 170 mm is a High Explosive Rocket-Assisted Projectile (HE-RAP), a type of fragmentation round with independent propulsion that increases the range of the projectiles to 54-60 km, making it one of the longest range projectiles in the world. This range was surpassed only in 2020 by the Extended Range Cannon Artillery (ERCA), which hit a target 70 km away.
However, this ammunition has some disadvantages. It creates very strong friction with the barrel, causing rapid wear of the rifling.
Some sources report that a chemical munition capable of releasing an unknown type of toxic gas on impact has also been developed. If it actually exists, its characteristics are unknown.
The Self-Propelled Gun
The turret and almost all of the top armor plate of the donor tank were removed, although the front part of the upper plate, with the driver’s hatch, remained unchanged. An armored plate was welded to cover the hull and three rails were welded on top, on which the gun could slide.
When the vehicle is in motion or parked in a barracks, the gun mount is centrally located, roughly where the turret was mounted on the tank. This is done in order not to have the center of gravity of the vehicle too far back. The gun is fixed in position by clamps that are fixed to the rails. When the gun has to be fired, the mounting is slid back. At the rear of the vehicle are two spades. These allow the vehicle to transfer most of the recoil directly to the ground, reducing the stress on the suspension.
The spades are attached to the back of the hull and are hydraulically positioned. They can be folded in two, thus taking up less space.
The gun mount has handwheels for elevation and traverse on the left side. Because of the height of the breech from the ground, the Koksan has two walkways with rails on either side of the gun. This allows the gun crew to load the cannon and access the controls.
Before firing, the crew rotates the walkways 90° outward, so that they do not obstruct the recoil of the gun.
At the front, the position of the driver remained unchanged, with his hatch on the left and a hatch added on the right, probably for the vehicle commander when on the move. On the frontal armor plate, the headlights on the right and the towing hooks were maintained, but a large travel lock was added to support the gun during marching.
The fenders house both external fuel tanks and spare tracks, like on normal T-54s, T-55s, and Type 59s, and storage boxes for the tools of the gun crew.
Crew
The crew of eight includes the driver, vehicle commander, gunner, and a gun crew of five. Due to the limited space available, only the driver and commander have a seat inside the hull, while the remaining crew members must be transported on a support vehicle that also carries ammunition. No ammunition is carried on the vehicle itself.
It is not known whether there is a special ammunition transport truck of Korean make or some indigenously modified version of Chinese or Soviet trucks. It is possible that regular trucks are used for resupply.
It is assumed that, for each battalion of 12 Koksan self-propelled vehicles, there are at least 30 trucks available. These are most likely Sungri-58 or Sungri-61 models, the backbone of the North Korean logistics services.
The Sungri-58 and Sungri-61 were produced by the Sungri Motor Plant in Tokchon, north of Pyongyang, from 1958 and 1961, respectively, based on the Soviet GAZ-51 and GAZ-63 trucks. The two trucks can carry up to 30 soldiers or a total of about 2 tons of munitions for a maximum ground weight of 3.5-4 tons.
In the Korean People’s Army service
The M1978 went into production in 1973. However, due to production problems, a sizable production rate was reached only in the following years. The first three dozen examples were spotted by military analysts in the small town of Koksan, halfway between Pyongyang and the DMZ, in 1978, well after production was already underway. This gave the US Department of Defense (DoD) designation for the vehicle, M1978. The vehicle was kept secret for several years, not being shown on parades or exercises until at least 1987.
The Koksan is supposed to be in service with the independent battalions of the General Staff Department’s Artillery Command. Each battalion has 12 Koksans and 30 trucks, with a total of 150-190 soldiers. It is divided into 3 batteries with four Koksans each and a headquarters unit.
In 1989, a new variant of the North Korean heavy SPG appeared. The M1989 has a longer boat-shaped hull, allowing the transport of 12 170 mm projectiles, four crew members rather than 2, and a man-portable Igla or Strela surface-to-air missile on board.
The total number produced is not known, but some analysts have proposed a total number of 500 between the two variants.
The M1978 Koksans are still serving in the Korean People’s Army. The last major exercise they participated in was on March 25, 2016, near Wonsan Airport. Supreme Leader Kim Jong-un was also present.
During the training exercise, which was held on the sea bank, the island of Hwangt’o-Do was targeted by about one hundred M1978s and M1989s. The craters on the island are still visible on Google Maps in 2021.
Propaganda video presented by Ri Chun-hee of the Korean Central TV showing off the training.
Export
The very unusual caliber and the isolation of the nation have limited its potential export success. However, it must be remembered that the Democratic People’s Republic of Korea does export military equipment.
On September 22nd, 1980, the Iraqi Army, under the orders of Saddam Hussein, attacked by surprise the newly formed Islamic Republic of Iran (IRI). They hoped to catch the Iranians unprepared due to the chaos created by the February 1979 revolution that had brought Ruḥollāh Khomeynī to power.
The goal of the Iraqis was to take control of the oil-rich Khuzistan region and try to stem the expanding influence of Iran and its revolution that were taking root in Iraq.
Seeing in this war the possibility of regaining control of Iran, the United States and other Western nations supported Iraq in the war. The inadequacy of the Iraqi armed forces and the unexpectedly strong Iranian resistance meant that, after an initial lightning advance, Iran regained its footing. After less than two months, the war ground to a stalemate that lasted eight months, during which Iran reorganized and pushed back the invaders.
In June 1982, a peace treaty attempted by Saddam Hussein failed and the war continued for another six years, ending only on August 20th, 1988 without territorial changes.
The Democratic People’s Republic of Korea had a decisive role in equipping Iran. In fact, due to the embargoes placed on the Persian nation, North Korea acted as an intermediary between the People’s Republic of China and the Soviet Union on one side, and Iran on the other, selling billions of dollars worth of tanks, missiles, airplanes, artillery, multiple rocket launchers, ammunition and small arms to the Iranians.
China and the Soviet Union would send the weapons to North Korea, where they would be loaded onto merchant ships bound for Iran, often still in the original crates. In other cases, North Korea sold the Islamic Republic of Iran Army (IRIA) domestically produced versions of Chinese or Soviet weapons or even weapons developed in Korea.
An unknown number of M1978 Koksans was supplied to the IRIA in 1987, along with some ammunition stocks. These self-propelled artillery vehicles were used to bombard Iraqi positions, although it is not known exactly in which engagements they were used and with what results.
It seems that some were used in an artillery unit under the command of future General Qasem Soleimani to hit the city of Basra in Operation Karbala-5. One fact that is reported is that the Iranians were provided with HE-RAP ammunition that allowed them to hit targets at a distance of 60 km, arousing the interest of international observers.
There is no certain data available, but some photos show the self-propelled guns in standard North Korean military green camouflage. Other photos show a two-tone camouflage, military green, and khaki. It can be assumed that the vehicles arrived in Iran in military green and the Iranians camouflaged them later with their own colors.
About thirty Koksans were captured during the final stages of the war by the Iraqis, while others are still in service with the Islamic Republic of Iran Army and shown in some parades in Tehran.
Iraqi Koksan
At least one of the captured vehicles was displayed by the Iraqis, together with a Chonma Main Battle Tank.
The Iraqis appreciated the firepower and the incredible range and decided to produce their own version, often mistakenly confused with the original Koksan or considered a variant of it.
Given the almost non-existence of the Iraqi heavy industry, the armament of the new self-propelled artillery was the powerful 180 mm S-23 L/49 gun mounted on a German-made BLG-60 bridge crane vehicle.
This new vehicle, of which almost nothing is known except the various photos of the only example produced, had, if the characteristics of the cannon remained unchanged, a firing rate of about one round every two minutes and a maximum range of 30 km with HE-Frag standard rounds and 44 km with HE-RAP rounds.
The Iraqi Koksan was captured in 2003 by U.S. troops near the al-Anbar University, in the eponymous region of al-Anbar. The specimen was left to rust until 2008, when the Americans removed it from the grounds where it was located.
As with many North Korean vehicles, not much is known about the Koksan’s technical specifications or its deployment, but despite the usual stereotypes levied at military equipment produced in the Democratic People’s Republic of Korea, the M1978 proved its worth and firepower in the Iran-Iraq war, proving to be a good weapon even in the hands of the poorly trained Iranian Pasdaran.
With such a vehicle, in the unlikely event of a new war against the Republic of Korea, the Korean People’s Army could provide excellent support or barrage fire, hitting targets up to 60 km from its position. However, this is also a tool of geopolitical blackmail, as, in case of war with South Korea, the Koksan can fire at heavy population centers, such as Seoul, before they can be evacuated and thus cause significant civilian casualties.
Korean People’s Army Journal Volume 2 Number 6 – Joseph S. Bermudez Jr.
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