SU-122 Assault Gun

ISU-122 Assault Gun

Designer:

F. F. Petrov

Manufacturer:

Tankograd Complex at Chelyabinsk

Role:

Tank Destroyer / Assault Gun

Year Adopted:

1944

Weight:

46 Tons

Operational Status:

Russia - Obsolete
(2,410 total production)

Armament:

1x 122mm D-25S Cannon with 20-30 rounds (late model)
1 x 122mm A-19S Cannon with 30 rounds (early models)

1x 12.7mm DShK machine gun with 250 rounds

Engine:

W-2-IS, 12 cylinder 4-stroke Diesel engine, producing 600 hp at 2000 rpm

Suspension:

Torsion bar

Crew:

5 men

Armor:

Upper Body Front/Sides:

Hull Front:

Hull Side:

Hull Rear:

Hull top:

Bottom:


75 - 90mm	(3.0 - 3.5 inches)
60 - 90mm	(2.4 - 3.5 inches)
90mm	(3.5 inches)
60mm	(2.4 inches)
20 - 30mm	(0.8 - 1.2 inches)
20 - 30mm	(0.8 - 1.2 inches)

Length:

Overall:

Hull Only:


9.18 meters	(30 feet, 1 inch)
6.77 meters	(22 feet, 4 inches)

Height:

2.48 meters

(8 feet, 1 inch)

Width:

3.07 meters

(10 feet, 1 inch)

Maximum Speed:

37 kilometers per hour

(23 miles per hour)

Range:

220 km

(137 miles)

Fuel Capacity:

520 - 560 liters

(137 - 148 gallons)