The IS-1 (IS-85) heavy tank was a thorough modernization of the KV-1. The tank featured the 85-mm D-5T gun. The IS-1 entered mass production in October 1943, but work was discontinued at the beginning of 1944, as the IS-2 (IS-122) tank entered mass production in December 1943. A total of 107 vehicles were manufactured. Tankpedia specs »
Battles with IS
266 battles178 wins66.92% win ratio
Marks of Mastery expectation values
*Numbers are total experience points earned in a battle.
WN8 expectation values
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