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Iosif Stalin tank | |
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![]() IS-2 model 1943 and IS-3 at the Great Patriotic War Museum, Minsk, Belarus | |
Type | Heavy tank |
Place of origin | Soviet Union |
Service history | |
Used by | Soviet Union China Cuba Czechoslovakia East Germany Hungary Egypt Poland North Korea |
Wars | |
Production history | |
Designer | Zhozef Kotin Nikolay Dukhov |
Designed |
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Manufacturer | Kirov Factory, UZTM |
Unit cost | IS-2: 264,400 rubles[2] |
Produced |
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No. built | |
Specifications (IS-2 Model 1944[6]) | |
Mass | 46 tonnes (51 short tons; 45 long tons) |
Length | 9.90 m (32 ft 6 in) |
Width | 3.09 m (10 ft 2 in) |
Height | 2.73 m (8 ft 11 in) |
Crew | 4 |
Armor | IS-2 Model 1943: Hull front: 120 mm Lower glacis: 100 mm at 30° angle Turret front: 100 mm (rounded) Mantlet: 155 mm (rounded) Hull side: 90–130 mm at 9-25° Turret side: 90 mm at 20° angle. |
Main armament | D-25T 122 mm gun (28 rounds) |
Secondary armament | 1×DShK, 3×DT (2,079 rounds) |
Engine | 12-cyl. diesel model V-2 600 hp (450 kW) |
Power/weight | 13 hp/tonne |
Suspension | torsion bar |
Fuel capacity | 820 L (180 imp gal; 220 US gal) |
Operational range | Road: 240 km (150 mi) Cross-country: 180 km (110 mi) [5] |
Maximum speed | 37 km/h (23 mph) |
The IS tanks (Russian: ИС) were a series of heavy tanks developed as a successor to the KV-series by the Soviet Union during World War II. The IS acronym is the anglicized initialism of Joseph Stalin (Ио́сиф Ста́лин, Iosif Stalin). The heavy tanks were designed as a response to the capture of a German Tiger I in 1943.[7] They were mainly designed as breakthrough tanks, firing a heavy high-explosive shell that was useful against entrenchments and bunkers. The IS-2 went into service in April 1944 and was used as a spearhead by the Red Army in the final stage of the Battle of Berlin. The IS-3 served on the Chinese-Soviet border, the Hungarian Revolution, the Prague Spring and on both sides of the Six-Day War. The series eventually culminated in the T-10 heavy tank.