ISU-122S

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ISU-122S
A heavy assault gun, built on the basis of the IS tank, was effective against German heavy tanks as well as fortifications. The prototype was built at the Chelyabinsk Kirov Plant in April 1944. The vehicle entered service in August of that year, and a total of 675 vehicles were manufactured in 1944 and 1945.

122 mm D-25S mod. 1944

10RKM

V-2IS

ISU-122S

Shell Types:

AP
APCR
HE

Equipment:

Consumables:

Firepower:

Ammunition32 (rounds)
Caliber122 (mm)
Damage390 / 390 / 530 (HP)
Penetration175 / 217 / 64 (mm)
Rate of Fire8.11 (rounds/min)
Average Damage per Minute3162 (HP)
Shells in the Magazine  
Time for Loading Between Shots  (s)
Time for Complete Loading  (s)
Gun Loading7.40 (s)
Aiming Time2.90 (s)
Dispersion at 100 m0.41 (m)

Mobility:

Weight/Load Limit45.82 / 54.40 (t)
Engine Power600 (h.p.)
Specific Power13.10 (h.p./t)
Top Speed43 (km/h)
Reverse Speed12 (km/h)
Traverse Speed27 (deg/s)
Gun Traverse Speed26 (deg/s)

Survivability:

Hit Points870 (HP)
Hull Armor90 / 90 / 60 (mm)

Spotting:

View Range350 (m)
Signal Range730 (m)
 

Crew:

Commander(Radio Operator)
Gunner
Driver
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