| ISU-122 | |
|---|---|
 Polish ISU-122 | |
| Type | Self-propelled gun |
| Place of origin | Soviet Union |
| Production history | |
| No. built | 2,410 (all types) |
| Specifications | |
| Mass | 45.5 tonnes (50.2 short tons; 44.8 long tons) |
| Length | 9.85 m (32 ft 4 in) |
| Width | 3.07 m (10 ft 1 in) |
| Height | 2.48 m (8 ft 2 in) |
| Crew | 4 or 5 |
| Armor | front 90 mm (3.5 in) gun shield 120 mm (4.7 in) side 90 mm (3.5 in) |
Main armament | |
Secondary armament | 12.7 mm DShK AA machine gun, with 250 rounds |
| Engine | 12-cyl. 4-stroke diesel model V-2IS 520 hp (382 kW) |
| Power/weight | 11 hp/tonne |
| Suspension | torsion bar |
Operational range | Road: 220 km (140 mi) Cross-country: 80 km (50 mi)[1] |
| Maximum speed | 37 km/h (23 mph) |
The ISU-122 (acronym of Istrebitelnaja - or Iosif Stalin-based - Samokhodnaya Ustanovka 122) was a Soviet assault gun used during World War II, mostly in the anti-tank role.
- ^ Soviet Tanks and Combat Vehicles of World War Two (Steven J. Zaloga, James Grandsen) page 179.