IS-4 (Object 701)

Soviet Union (1946-Early 1970s) Heavy Tank – 224 IS-4 and 25 IS-4M Built Development of the IS-4 began as early as 1943 at the ChKZ plant in Chelyabinsk. After the complicated and convoluted development of the first series of prototypes under index Object 701, the project was abandoned. However, in 1946, the project was revived…

IS-3

Soviet Union (1944) Heavy Tank – 2,311 Built The peak of the Soviet heavy tank line The IS-3 was only superficially a major departure from previous heavy tanks, with a lineage including the KV-1 (1939), KV-1S, KV-85, IS-1 and the IS-2. The IS-3 had a new front hull and a new turret shape which became…