A further modification of the KV-1 heavy tank series developed in the summer of 1942. It passed into Red Army service on August 20, 1942. Compared to its predecessors, KV-1S had several design features which allowed for the tank’s weight to be reduced to 42.3 tons. Also, the KV-1S had increased top speed, maneuverability, and durability. However, the 76-mm ZIS-5 gun remained. This, coupled with reduced and inefficient armoring, made the new vehicle basically equal to the T-34 in terms of battle performance. A total of 1,083 vehicles of this modification were manufactured. This tank was widely used on all fronts of the Great Patriotic War.
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76 mm ZiS-5 (damage per shot: 110):
122 mm Howitzer S-41 (damage per shot: 450):
85 mm S-31M (damage per shot: 160):
76 mm ZiS-5 (damage per shot: 110):
122 mm Howitzer S-41 (damage per shot: 450):
85 mm S-31M (damage per shot: 160):
Expected
frags:
1.18
Expected
spot
1.27
Expected
defense points
1.01
Expected
winrate
56.56%
Tier VII field modification
available for tier IX-X tanks
Tier VIII field modification
available for tier X tanks
+3% to vehicle hit points
+10% to suspension durability
+5% to hull traverse speed
-7% to maintaining speed when crossing all terrain types
-3% to the aiming circle size
-5% to aiming speed
+3% to view range
+15% to additional stun duration
+10% to stun duration