IS-3 Model 1945

IS-3 Model 1945 was an armored vehicle (heavy tank, AFV or armoured fighting vehicle) in combat use during the Second World War (World War II or WWII) primarily on the Eastern Front. The IS-3 was a fully tracked all-terrain vehicle designed for military operations. IS-3, also known as the Stalin III tank or JS-3, was produced and deployed by the Red Army of the Soviet Union (USSR). The technical drawing (plan, layout or profile) shows the general appearance characteristics of the specified model (version) of the IS-3 tank for purposes of identification and reference. For more detailed information about this armored fighting vehicle, refer to IS-3.

IS-3 Model 1945
Class Vehicle
Type Armoured Fighting Vehicle
Manufacturer Factory No.100 Kirovskiy Works in Chelyabinsk
Production Period 1945 - 1945
Origin Russia (USSR)
Country Name Origin Year
Russia (USSR) 1945
Country Name Operational Year Retirement Year
Russia (USSR) View
ManufacturerName Production From Production To Quantity
Factory No.100 Kirovskiy Works in Chelyabinsk 1945 1945 350 View
Formal DesignationIS-3 Model 1945
Manufacturer(s)Factory No.100 Kirovskiy Works in Chelyabinsk (ChKZ or Tankograd)
Production Quantity350*Production Period1945*
TypeHeavy TankCrew4
Overall Length10.0 m (32' 10")Barrel Overhang3.3 m (10' 10")
Width3.20 m (10' 6")Height2.45 m (8' 0")
Combat Weight46500 kg (103000 lbs)Radio Equipment10RK
Primary Armament122mm Gun D-25Ammunition Carried28
Traverse (degrees)360°Elevation (degrees)-3° to +20°
Traverse speed (360°)n.a.SightTSh-17, POP
Secondary Armament2 x 7.62mm DT MG (coaxial, turret rear)Ammunition Carried1000x7.62mm
1 x 12.7mm DShK MG (AA)945x12.7mm

Engine Make & ModelV-2-IS (V-2K)Track Links87-90/track
Type & DisplacementV12, 38.9 litersTrack Width65 cm (26")
Horsepower (max.)600hp@2000rpmTrack Ground Contact436 cm (172")
Power/Weight Ratio11.0 hp/tonneGround Pressure0.82 kg/cm2 (11.7 psi)
Gearbox4 forward, 1 reverseGround Clearance0.45 m (1' 6")
FuelDieselTurning Radius0
Range on/off road150(225)/120(175) kmGradient36°
Mileage on/off road350/450 l/100kmVertical Obstacle1.0 m (3' 3")
Fuel Capacity520 (+ 270 external) lFording1.3 m (4' 3")
Speed on/off road37/19 km/hTrench Crossing2.5 m (8' 2")
Armor DetailFrontSideRearTop/Bottom
Superstructure120mm@32°(glacis)90mm@30° +

*A prototype was completed in November 1944. Production began sometime in 1945. The production quantity estimate is believed to be for the first six months of 1945. Production continued in the postwar period. The IS-3 is not believed to have not been ready for employment before hostilities ceased in the European theater of operations.

JWAFV, RT, IS2, GBT, RTAV, OOBTr, PH30r, Russian Military Zone

End notes