SU-122
| SU-122 | |
|---|---|
SU-122 | |
| Type | Self-propelled howitzer |
| Place of origin | Soviet Union |
| Service history | |
| Used by | Soviet Union |
| Wars | World War II |
| Production history | |
| Designer | F. F. Petrov |
| Designed | 15 April – December, 1942 |
| Manufacturer | UZTM |
| Produced | December 1942 – summer 1943 |
| No. built | 638 |
| Variants | See variants |
| Specifications | |
| Mass | 30.9 tonnes (68,122 lb) |
| Length | 6.95 m (22 ft 10 in) |
| Width | 3 m (9 ft 10.1 in) |
| Height | 2.32 m (7 ft 7 in) |
| Crew | 5 |
| Armor | 45 mm (1.77 in) |
Main armament | 122 mm M-30S howitzer |
Secondary armament | none |
| Engine | Klimov model V-2 V-12 diesel engine 493 hp (368 kW) (500 PS) |
| Power/weight | 16 hp/tonne |
| Suspension | Christie |
Operational range | Road: 210 km (130 mi) 300 km (190 mi) (with added fuel tanks) Cross-country: 120 km (75 mi) 150 km (93 mi) (with added fuel tanks) |
| Maximum speed | 55 km/h (34 mph) |
The SU-122 (from Samokhodnaya Ustanovka 122 mm) was a Soviet self-propelled howitzer or assault gun used during World War II. The number "122" in the designation represents the caliber of the main armament, a 122 mm M-30S howitzer. The chassis was that of the T-34.