Comparing: T14 vs. KV vs. KV-1

Developed between May 1942 and May 1943. Two prototypes were manufactured and tested. However, mass production was canceled, and T14 never became more than an experimental vehicle.

Developed by the Special Design Bureau No. 2 at the Kirov Plant in Leningrad in 1939. Produced from February 1940 through September 1942, with a total production of 2,769 KV-1 vehicles and 334 KV-2 vehicles.

Development started at the end of 1938. A prototype was produced in August 1939. The vehicle first saw combat in December 1939 at the Mannerheim Line. The tank was mass-produced from March 1940 through August 1942, with a total of 2,769 vehicles manufactured.