
KV-4The project of N. L. Dukhov developed in April 1941. A prototype was to be produced by November 1941. However, the work was discontinued due to the outbreak of the Soviet–German war.
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122 mm D-25T (KV-4) (damage per shot: 390):
107 mm ZiS-24 (damage per shot: 320):
107 mm ZiS-6 (KV-4) (damage per shot: 300):
559
815
1081
1322

















122 mm D-25T (KV-4) (damage per shot: 390):
107 mm ZiS-24 (damage per shot: 320):
107 mm ZiS-6 (KV-4) (damage per shot: 300):
Expected
frags:
0.83
Expected
spot
0.82
Expected
defense points
0.82
Expected
winrate
52.56%












Tier VII field modification
available for tier IX-X tanks
Tier VIII field modification
available for tier X tanks
+3% to vehicle hit points
-3% to the aiming circle size
-5% to aiming speed
+3% to view range
+15% to additional stun duration
+10% to stun duration