IS-3

/Vehicles/Allies/USSR/04-HeavyTanks/IosefStalin/Data/IS-3.htm | Up-dated:

IS-3

GENERAL DATA
Other Designation(s)	IS-3 [IS - Iosef Stalin, also IS-122, and JS-3]
Type	Heavy Tank	Radio Equipment	10RK
Manufacturer(s)	Factory No.100 Kirovskiy Works in Chelyabinsk (ChKZ or Tankograd)
Crew	4
Production Quantity	350	Production Period	1945

DIMENSIONS
Combat weight	46500 kg	Ground pressure	0.82 kg/cm²
Length /hull	6.7 m	Length w/Gun	10.0 m
Barrel Overhang	3.30 m	Height	2.45 m
Width	3.20 m	Ground clearance	0.5 m

ARMAMENT
Primary Armament	122 mm Gun D-25T L/43 (1)	Ammunition Carried	28
Traverse	360° (manual & electric)	Elevation	-3° to +20° (manual)
Traverse speed (360°)	?	Sight	TSh-17, POP
Secondary Armament	1 x 12.7mm DShK MG (2)		945
Secondary Armament	3 x 7.62 mm DT MG (3)	Ammunition Carried	2330
Location	1: Turret - 2: AA - 3: coaxial, turret rear

ARMOR
Assembly	Welding
Armor Detail (from the horizontal)	Front	Side	Rear	Top/Bottom
Hull	120 mm / 47°	90 mm / 90°	60 mm / 49°	20 mm / 0°
Superstructure	120 mm / 32° (glacis) 120 mm / 18°	90 mm / 30° + 30 mm 60°	60 mm / 41°	20 mm / 0°
Turret	160 mm / round	100-200 mm / 40° & round	110-200 mm / 50° & round	20 mm / 0-6°
Mantlet	200 mm / round	-	-	-

AUTOMOTIVE
Engine	V-2-IS (V-2K)	Type & Displacement	V12, 38.9 liters
Horsepower (maximum)	600 hp at 2000 rpm	Power/Weight Ratio	11.0 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 19 km/h off road	Range	150-225 km on road 120-175 km off road
Mileage	350 L/100 km on road 450 L/100 km off 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	Vehicles.com	TNT Hors-Série n°3	-

Drawings

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