VII
IS
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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.
Nation
U.S.S.R.
U.S.S.R.
Tier
Tier
VII
Type
Heavy Tank
Heavy Tank
Cost
Credits
1,424,000
Experience
49,480
Role
Breakthrough Heavy Tank
Breakthrough Heavy Tank
Crew
Commander
Radio Operator
Modules
Characteristics
Firepower
HP
Damage
Damage at 50 m
mm
Armor Penetration
HP/min
Damage per Minute
s
Aiming Time
m
Dispersion at 100 m
Improved dispersion at 100 m
pcs
Ammo Capacity
Mobility
/
/ t
Weight/Load Limit
hp
Engine Power
hp/t
Specific Power
km/h
Top Speed
deg/s
Traverse Speed
deg/s
Turret Traverse Speed
Survivability
HP
Hit Points
/ / mm
Hull Armor
/
/
/ / mm
Turret Armor
s
Suspension repair time
Spotting
m
View Range
m
Signal Range
Characteristics are specified for vehicles with crews trained to 100%.
