KV-1 No. 10033 in the tests in February 1942. It turned out that the more powerful engine tangible positive effect is not given. Needed a more serious modernization of the machine
Transmission “group 21-212”, developed by N. F. By sassarini. It has become one of the most important elements of the future KV-1s
Scheme of work checkpoint “group 21-212”
Upgraded radiators, which made it possible to establish a normal operating temperature of the engine
KV-1s 15001 after replacing the crawler tracks to narrow tracks. Well see the main difference between the grab bars welded to the turret roof
KV-1s 15001 during testing, winter in 1942-43 tank tested a new track with the track width of 650 mm. are clearly visible new tow hooks, they later appeared on 15002
Assembling the KV-1s at the Chelyabinsk Kirov plant, September 1942. It is clearly seen that tanks have road wheels from KV-1, and in their buildings and towers are no handrails