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Soviet Union's TG, TG-11, T-221, Grotte1 heavy tank
Design
A team of German engineers at the Bolshevik Factory's Experimental Design Mechanical Section (OKMO), in Leningrad, designed the TG-1 or T-22.1 It was also named the Grotte after the chief engineer.1
Variants
- TG1, TG-11, T-221: Had a 76.2 mm gun and two 7.62 mm machine guns.1
- TG-31, T-291: Had a 76.2 mm gun, two 37 mm guns, and two machine guns.1 Weighed 30 tons.1
- TG-51, T-421: Had 107 mm gun with other guns in other turrets.1 Weighed 100 tons.1
| TG1, TG-11, T-221 Heavy Tank | |
|---|---|
| Crew | 51,2,3 |
| Physical Characteristics | |
| Weight | 25 tons3, 30 tons1 |
| Length w/gun | |
| Length w/o gun | |
| Height | |
| Width | |
| Ground clearance | |
| Ground contact length | |
| Ground pressure | |
| Turret ring diameter | |
| Armament | |
| Main | 37 mm1 75 mm2 76.2 mm1,3 |
| OR | 76 mm1 |
| Secondary | 37 mm3 |
| MG | 4: MG1,2,3 2: 7.62 mm MG1 |
| Side arms | |
| Quantity | |
| Main | |
| Secondary | |
| MG | |
| Side arms | |
| Armor Thickness (mm) | 10 - 503, 301 |
| Hull Front, Upper | |
| Hull Front, Lower | |
| Hull Sides, Upper | |
| Hull Sides, Lower | |
| Hull Rear | |
| Hull Top | |
| Hull Bottom | |
| Turret Front | |
| Turret Sides | |
| Turret Rear | |
| Turret Top | |
| Engine (Make / Model) | |
| Cylinders | |
| Net HP | 3001,2,3 |
| Transmission | |
| Fuel type | Gasoline2 |
| Octane | |
| Capacity | |
| Performance | |
| Traverse | |
| Max Speed | 20 - 25 mph1,
25 mph2 32 - 40 kph1,3 |
| Cross Country | |
| Road radius | 93 miles1 150 km1 |
| Turning Radius | |
| Elevation Limits | |
| Fording depth | |
| Trench crossing | |
| Vertical Obstacle | |
| Suspension (Type) | |
| Wheels each side | |
| Return rollers each side | |
| Track length | |
| Tires | |
| Track width | |
| Track centers/tread |
Sources:
- Russian Tanks of World War II Stalin's Armored Might, by Tim Bean & Will Fowler, 2002
- Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
- Russian Tanks and Armored Vehicles 1917 - 1945, Wolfgang Fleischer, 1999
