The KV kind tank that research to produce victories in competition of this heavy kind tank through the factory of Kirov in 1939, ising known as after KV-1.KV-1 first batch volume produces in 1942 February, at the start of the production model number calls the KV-1 model 1941 " little Turret", very first material in KV-1 types L-11s 76.2 mm of artillery; July of 1940, the heavy enter the series of KV tank production be transfered by the factory of Kirov the 100 factory production, henceforth the KV-1 that produce all changed to pack better kinds F-32s in function 76.2 mm of artillery.
