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Soviet Union's TG, TG-1, T-22, Grotte 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. It was also named the Grotte after the chief engineer.

Variants

  • TG, TG-1, T-22: Had a 76.2 mm gun and two 7.62 mm machine guns.
  • TG-3, T-29: Had a 76.2 mm gun, two 37 mm guns, and two machine guns. Weighed 30 tons.
  • TG-5, T-42: Had 107 mm gun with other guns in other turrets. Weighed 100 tons.

Specifications

  TG, TG-1, T-22 Heavy Tank
Crew 5
Physical Characteristics  
Weight 25 tons, 30 tons
Length  
Height  
Width  
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main 37 mm
75 mm
76.2 mm
OR 76 mm
Secondary 37 mm
MG 4: MG
2: 7.62 mm MG
Side arms  
Quantity  
Main  
Secondary  
MG  
Side arms  
Armor Thickness (mm) 10 - 50, 30
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 300
Transmission  
Fuel type Gasoline
Octane  
Capacity  
Performance  
Traverse  
Speed - Road 20 - 25 mph, 25 mph
32 - 40 kph
Speed - Cross Country  
Range - Road 93 miles
150 km
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:

  1. Russian Tanks of World War II Stalin's Armored Might, by Tim Bean & Will Fowler, 2002
  2. Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
  3. Russian Tanks and Armored Vehicles 1917 - 1945, Wolfgang Fleischer, 1999
20th Century American Military History Crucial Site