ISU-122S
| GENERAL DATA | |||
| Other Designation(s) | ISU-122 (ISU =
Iosef Stalin Ustanovka or Gun of Iosef Stalin) |
||
| Type | Assault Gun * |
Radio Equipment | 10R |
| Manufacturer(s) | Factory No.100
Kirovskiy Works in Chelyabinsk (ChKZ or Tankograd) |
||
| Crew | 5 (Driver, gunner, commander, 2 loaders) |
||
| Production Quantity | about 1400 |
Production Period | 1944-1945 |
(*) Tank Destroyer eventually
| DIMENSIONS | |||
| Combat weight | 46000 kg |
Ground pressure | 0.81 kg/cm² |
| Length /hull | 6.77 m |
Length w/Gun | 10.1 m |
| Barrel Overhang | 3.33 m |
Height | 2.5 m |
| Width | 3.25 m |
Ground clearance | 0.46 m |
| ARMAMENT | |||
| Primary Armament | 122 mm Gun D-25S (1) |
Ammunition Carried | 20-30 |
| Traverse | Manual (11°Left - 11°Right) |
Elevation | -3° to +16° (manual) |
| Traverse speed (360°) | - |
Sight | TSh-17 |
| Secondary Armament | 12.7mm DShK MG (2) |
Ammunition Carried | 500 |
| Location | 1: Hull front 2:- AA (commander's
cupola) |
||
| ARMOR | ||||
| Assembly | Welding
|
|||
| Armor Detail | Front |
Side |
Rear |
Top/Bottom |
| Hull | 90 mm / 60° |
90 mm / 90° |
60 mm / 49° (lower) 60 mm / 41° (upper) |
20 mm / 0° |
| Superstructure | 60 mm /
20° (glacis) 90 mm / 60° |
75 mm /
65° |
60 mm /
90° |
30 mm /
0° |
| Mantlet | 60-65 mm / round |
- |
- |
- |
| AUTOMOTIVE | |||
| Engine | V-2-IS (V-2-10) |
Type & Displacement | V12, 38.9 liters |
| Horsepower (maximum) | 600 hp at 2000 rpm |
Power/Weight Ratio | 13.0 hp / ton |
| Gearbox | 4 forward, 1 reverse |
Fuel Capacity | 520 (+270 external) L Diesel |
| SUSPENSION | |||
| Type | Torsion bars |
Road wheels | 6 double, steel |
| Track return rollers | 3 double |
Sprocket-Wheels | Rear, double |
| Idler Sprockets | Front, double |
Shock absorbers | - |
| Track Type | Central guides, Cast allow steel, dry pin | ||
| Width | 650 mm |
Pitch | 165.10 mm |
| Links(shoes) | 87-90 |
Track ground contact | 4.36 m |
| PERFORMANCES | |||
| Maximum Speed | 37 km/hon road, 16 km/h off road |
Range | 230 km on road, 150 km off road |
| Mileage | 350 L/100 km on road |
Maximum grade | 36° (from horizontal) |
| Trench crossing | 2.5 m |
Vertical obstacles | 1.0 m |
| Maximum fording depth | 1.3 m |
Minimum turning diameter | 0 m |
| Sources | |||
| OnWar.com | TNT Hors-Série n°3 | - |
|
Drawings |
File |
