Comparing: Object 244 vs. KV-2

A further development of the experimental tank Object 237. The Object 244 featured a more powerful gun. The fighting compartment was slightly changed: the radio was placed in a turret recess, a more efficient fan was installed, and the ammo rack and periscopic sight were modified. The driver's compartment and engine-transmission compartment were not modified. The vehicle never entered service due to problems with the gun barrel.

Heavy assault tank. Developed on the basis of the KV-1 in January 1940, with a total of 334 vehicles manufactured from 1940 through 1941. The KV-2 tanks were used in action in 1941, with most of the vehicles lost the same year.