The KV kind tank that research to create victories in the competition of this hefty kind tank from factory of Kirov in 1939, ising called after KV-1.KV-1 first batch amount creates in 1942 February, at the start of the production model amount calls the KV-1 model 1941 " small Turret", very first item in KV-1 sorts L-11s 76.2 mm of artillery; July of 1940, the hefty enter the musical organization of KV tank manufacturing be transfered by the factory of Kirov the 100 factory production, henceforth the KV-1 that produce all changed to pack better types F-32s in function 76.2 mm of artillery.
