SU-122
| GENERAL DATA | |||
| Other Designation(s) | SU-122 Model 1943
(SU = Samakhodnaya Ustanovka or Self-Propelled Gun) |
||
| Type | Assault Gun (*) |
Radio Equipment | 9R |
| Manufacturer(s) | Factory No.9 Ural
Heavy Machinery Factory (UTZM or Uralmash) |
||
| Crew | 5 (Driver, gunner, commander, 2 loaders) |
||
| Production Quantity | 1148 |
Production Period | December. 1942 - early 1944 |
(*) Tank Destroyer eventually
| DIMENSIONS | |||
| Combat weight | 30900 kg |
Ground pressure | 0.72 kg/cm² |
| Length /hull | 5.93 m |
Length w/Gun | 6.95 m |
| Barrel Overhang | 1.02 m |
Height | 2.32 m |
| Width | 3.00 m |
Ground clearance | 0.40 m |
| ARMAMENT | |||
| Primary Armament | 122 mm Howitzer M-30S (1) |
Ammunition Carried | 40 |
| Traverse | Manual (10°Left - 10°Right) |
Elevation | -3° to +25° (manual) |
| Traverse speed (360°) | - |
Sight | TSh-15 |
| Secondary Armament | PPSh-41 submachine-gun (2) |
Ammunition Carried | ? |
Grenades (3) |
24 model F-1, 5 anti-tanks |
||
| Location | 1: Hull front 2:- Hull inside |
||
| ARMOR | ||||
| Assembly | Welding & riveting
|
|||
| Armor Detail | Front |
Side |
Rear |
Top/Bottom |
| Hull | 45 mm / 30° |
45 mm / 90° |
45 mm / 45° |
20 mm / 0° |
| Superstructure | 45 mm /
40° |
45 mm /
70° (front) 45 mm / 50° (rear) |
45 mm /
50° 45 mm / 70° (crew) |
20 mm /
0° |
| Mantlet | 65 mm / round |
- |
- |
- |
| AUTOMOTIVE | |||
| Engine | V-2-34 |
Type & Displacement | V12, 38.9 liters |
| Horsepower (maximum) | 500 hp at 1800 rpm |
Power/Weight Ratio | 16.2 hp / ton |
| Gearbox | 5 forward, 1 reverse |
Fuel Capacity | 420 (+ 270 external) L Diesel |
| SUSPENSION | |||
| Type | Christie coil spring |
Road wheels | 5 independent double-road wheels |
| Track return rollers | - |
Sprocket-Wheels | Rear, double |
| Idler Sprockets | Front, double |
Shock absorbers | - |
| Track Type | Central guides, smooth steel links | ||
| Width | 550 mm |
Pitch | ? mm |
| Links(shoes) | 74 |
Track ground contact | 3.72 m |
| Track Type | entral guides, grooved steel links | ||
| Width | 550 mm |
Pitch | ? mm |
| Links(shoes) | 74 |
Track ground contact | 3.72 m |
| PERFORMANCES | |||
| Maximum Speed | 55 km/h on road, 25 km/h off road
|
Range | +270 km on road, +165 km off road
|
| Mileage | 155 L/100 km on road |
Maximum grade | 35° (from horizontal) |
| Trench crossing | 2.50 m |
Vertical obstacles | 0.80 m |
| Maximum fording depth | 1.30 m |
Minimum turning diameter | 7.60 m |
| Sources | |||
| OnWar.com | TNT Hors-Série n°3 | - |
|
Drawings |
File |
/USSR/Models/6-Self-PropelledGuns/SU-122/Bt-off.jpg)
/USSR/Models/Dioramas/Kursk/Bt-off.jpg)
