ISU-122S
Tank ID 59649
Vehicle description
Wargaming Tankopedia
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.
Description from the Wargaming Tankopedia · Language selected automatically
Technical profile
Standard configuration
Hit points
870
Weight
45.8 t
Forward speed
43 km/h
Reverse speed
12 km/h
View range
350 m
Signal range
730 m
Armour
| Front | Sides | Rear | |
|---|---|---|---|
| Hull | 90 | 90 | 60 |
| Turret | – | – | – |
Engine: V-2IS · 600 hp
Radio: 10RKM
Armament
Standard gun and ammunition
122 mm D-25S mod. 1944
Shell types
Penetration 131 / 175 / 219 mm
Penetration 163 / 217 / 271 mm
Penetration 48 / 64 / 80 mm
Marks of Excellence
Damage thresholds
Combined Damage (Damage + Assist + Tracking)
Approximation based on WN8 expected values — not an official Wargaming figure.
WN8 Expected Values
XVM reference
XVM Expected Values for WN8 calculation (per battle)
Community stats
Measured, not estimated
Average across every profile stored on WG-Watch — real battles instead of expected values.
Win rate
54.50 %
Avg. WN8
1,786
Battles
6,072
As of Aug 31, 2026
Rank 31 of 85 at Tier VII
Best players on this tank
By WN8
From the stored profiles, minimum 50 battles on this vehicle. Updated daily.
| # | Player | WN8 | Battles | Win rate |
|---|---|---|---|---|
| 1 | mailand eu | 4,921 | 57 | 63.16 % |
| 2 | Xilense eu | 4,896 | 83 | 71.08 % |
| 3 | Yzne eu | 4,317 | 124 | 63.71 % |
| 4 | skill4ltu eu | 4,309 | 126 | 65.87 % |
| 5 | SAMCRO81 eu | 2,641 | 238 | 57.56 % |
| 6 | Iceprince eu | 2,429 | 89 | 65.17 % |
| 7 | LovacBL na | 2,393 | 75 | 62.67 % |
| 8 | KzH_bis__DZE eu | 2,335 | 73 | 63.01 % |
| 9 | Chillerandy299 eu | 2,293 | 132 | 63.64 % |
| 10 | Octavius eu | 2,279 | 166 | 54.82 % |