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Soviet Union's KV-1 Model 1940 heavy tank,
KV-1A heavy tank:
Produced in 1940. Longer L/41.5 76.2 mm gun installed in a new cast cradle and mantlet. The turret had armor plates that were welded together. The 76.2 mm shells were improved. Had all steel bogie wheels.
| KV-1 19402 | KV-1A | |
|---|---|---|
| Crew | 52 | 44, 512 |
| Physical Characteristics | ||
| Weight | 43.5 tons2 | 43.5 tons4,12 |
| Length w/gun | 6.75 m2 | 22.3'12 6.8 m4 |
| Length w/o gun | ||
| Height | 2.71 m2 | 8.88'12 |
| Width | 3.32 m2 | 10.93'12 3.35 m4 |
| Width over tracks | ||
| Ground clearance | 0.45 m2 | 0.52 m4 |
| Ground contact length | 13.8'12 | |
| Ground pressure | 0.75 kg/cm2 2 | 0.7 kg/cm2 4 |
| Turret ring diameter | ||
| Armament | ||
| Main | 76.2 mm 1939 L-112 76.2 mm 1940 F-227 |
76.2 mm L/414 76.2 mm M1940 L/41.512 |
| Secondary | ||
| MG | 3 - 4: 7.62 mm DT MG2 | 2: MG4 3: MG12 |
| Side arms | ||
| Quantity | ||
| Main | 111 - 1142 | 1114,12 |
| Secondary | ||
| MG | 3,0242 | 2,0804, 3,02412 |
| Side arms | ||
| Armor Thickness (mm) | ||
| Hull Front, Upper | 752 | 754, 11012 |
| Hull Front, Lower | ||
| Hull Sides, Upper | 752 | 754, 75 - 7712 |
| Hull Sides, Lower | 90 | |
| Hull Rear | 60-752 | 754 |
| Hull Top | 30-402 | 354,12 |
| Hull Bottom | 30-402 | 354,12 |
| Turret Front | 902 | 35 - 11012, 754 |
| Turret Sides | 752 | 754 |
| Turret Rear | 752, 110 | 754 |
| Turret Top | 352 | 354 |
| Engine (Make / Model) | V-2K6, W-2-K2 | W-24, V-2K12 |
| Bore / stroke | 4 stroke2 | |
| Cooling | ||
| Cylinders | V-122 | 1212 |
| Capacity | ||
| Net HP | 55012 | |
| Power to weight ratio | 13.8 hp/ton2 | |
| Compression ratio | ||
| Transmission (Type) | 5 forward, 1 reverse4 | |
| Steering | ||
| Steering ratio | ||
| Starter | ||
| Electrical system | ||
| Ignition | ||
| Fuel (Type) | Diesel2,6 | Diesel12 |
| Octane | ||
| Quantity | 600 - 615 liters2 | 650 liters4 |
| Road consumption | ||
| Cross country consumption | ||
| Performance | ||
| Traverse | 360° | 360° |
| Max speed | 35 kph2 | 22 mph12 35 kph4 |
| Cross country speed | ||
| Road radius | 335 km2 | 140 miles12 335 km4 |
| Cross country radius | 94 miles12 200 km4 |
|
| Turning radius | 9.5 m4 | |
| Elevation limits | ||
| Fording depth | 1.45-1.6 m2 | 1.45 m4 |
| Trench crossing | 2.8 m2 | |
| Vertical obstacle | 0.9-1.2 m2 | |
| Climbing ability | 36°2 | |
| Suspension (Type) | Torsion Bars4 | |
| Wheels each side | 64 | |
| Return rollers each side | ||
| Tracks (Type) | ||
| Length | ||
| Width | 2' 3.5"12 0.7 m4 |
|
| Diameter | ||
| Number of links | ||
| Pitch | ||
| Tire tread | Steel4 | |
| Track centers/tread |
Sources:
- Russian Tanks of World War II Stalin's Armored Might, by Tim Bean & Will Fowler, 2002
- Russian Tanks and Armored Vehicles 1917-1945, by Wolfgang Fleischer, 1999
- The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
- Panzer Truppen The Complete Guide to the Creation and Combat Employment of Germany's Tank Force 1933-1942, Thomas L. Jentz, 1996
- Panzer Truppen The Complete Guide to the Creation and Combat Employment of Germany's Tank Force 1943-1945, Thomas L. Jentz, 1996
- Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
- Jane's World War II Tanks and Fighting Vehicles The Complete Guide, Leland Ness, 2002
- Tanks of World War II, Duncan Crow, 1979
- Battle Winning Tanks, Aircraft & Warships of World War II, David Miller, 2000
- Tank Data, Aberdeen Proving Grounds Series, 1968?
- The Illustrated Guide to Tanks of the World, George Forty, 2006
- Airfix Magazine Guide 22 Russian Tanks of World War 2, John Milsom and Steve Zaloga, 1977
