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United States' T6 medium tank


T6 medium tank :
United States' Grumman J2F Duck floatplane
Aberdeen Tank Museum


The 75 mm gun could fire a 14.4 lb shell at a muzzle velocity of 1,850'/sec. The .30 cal shells were 150 grains and could be fired at a muzzle velocity of 2,800'/sec.


  • T-6 medium tank: 2
    • Production: 1941
    • Manufacturer: US Ordnance Department


  T6 Medium Tank
Crew 5
Physical Characteristics  
Weight 30 tons
Length 18' 6", 19'
Height 8' 9", 9' 7.5"
Width 8' 8", 9' 5"
Width over tracks  
Ground clearance 17"
Ground contact length 147"
Ground pressure 13 psi
Turret ring diameter  
Main 75 mm
75 mm M2
MG 4: MG
4: .30 cal M1919A4 MG, coaxial, bow, front plate(2)
Side arms  
Side arms  
Armor Thickness (mm) 0.5" - 1"
Hull Front, Upper 2"-3"
Hull Front, Lower  
Hull Sides, Upper 1.25"-2.25"
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom  
Turret Front 3"
Turret Sides 2.5"-3"
Turret Rear  
Turret Top  
Engine (Make / Model) Wright Radial
Continental R975
Bore / stroke  
Cooling Air
Cylinders R-7, 9
Net HP 400
Power to weight ratio  
Compression ratio  
Transmission (Type) Synchromesh
5 forward, 1 reverse
Steering Controlled differential
Steering ratio  
Electrical system  
Fuel (Type) Gasoline
Quantity 146 gallons
Road consumption  
Cross country consumption  
Traverse 360°, power or hand
Speed - Road 25 mph, 26 mph
Speed - Cross Country  
Range - Road  
Range - Cross Country  
Turning radius  
Elevation limits  
Fording depth 40"
Trench crossing 7' 5"
Vertical obstacle 24"
Climbing ability 35° slope
Suspension (Type) Vertical volute springing
Wheels each side 3 two-wheel bogies
Return rollers each side 3
Tracks (Type) Steel with rubber blocks and rubber bushed track pins
Width 16.5"
Number of links 79
Pitch 6"
Tire tread Rubber
Track centers/tread 6' 1"


  1. Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
  2. Tank Data 2, Aberdeen Proving Grounds Series, E. J. Hoffschmidt and W. H. Tantum IV, 1969
  3. World War I and II Tanks, George Forty, 2012
20th Century American Military History Crucial Site