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1 424 000 
IS
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.
IS-85
12RT
V-2 (IS)
V-2-54 (IS)
IS-1
IS-2M
Shell Types:
AP
APCR
HE
AP
APCR
HE
AP
APCR
HE
Equipment:
Consumables:
Firepower: | |||||||||
| Ammunition | 68 (rounds) | ||||||||
| Caliber | 85 (mm) | ||||||||
| Damage | 180 / 180 / 300 (HP) | ||||||||
| Penetration | 164 / 194 / 44 (mm) | ||||||||
| Rate of Fire | 13.04 (rounds/min) | ||||||||
| Average Damage per Minute | 2348 (HP) | ||||||||
| Shells in the Magazine | |||||||||
| Time for Loading Between Shots | (s) | ||||||||
| Time for Complete Loading | (s) | ||||||||
| Gun Loading | 4.60 (s) | ||||||||
| Aiming Time | 2.50 (s) | ||||||||
| Dispersion at 100 m | 0.37 (m) | ||||||||
Mobility: | |||||||||
| Weight | 44.89 (t) | ||||||||
| Engine Power | 700 (h.p.) | ||||||||
| Specific Power | 15.60 (h.p./t) | ||||||||
| Top Speed | 34 (km/h) | ||||||||
| Reverse Speed | 14 (km/h) | ||||||||
| Traverse Speed | 38 (deg/s) | ||||||||
| Turret Traverse Speed | 38 (deg/s) | ||||||||
Survivability: | |||||||||
| Hit Points | 1280 (HP) | ||||||||
| Hull Armor | 120 / 90 / 60 (mm) | ||||||||
| Turret Armor | 100 / 90 / 90 (mm) | ||||||||
Spotting: | |||||||||
| View Range | 340 (m) | ||||||||
| Signal Range | 625 (m) | ||||||||
Crew: | |||||||||
| |||||||||
