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United States' M4A6 medium tank, Sherman

Design

Production was canceled due to difficulties. Had the Caterpillar RD-1820 motor.

Production

Built by the Detroit Tank Arsenal (Chrysler).

Specifications

  M4A6
Crew 5
Physical Characteristics  
Weight 71,000 lb
Length 19' 10.5"
Height 9'
Width 8' 7"
Width over tracks  
Ground clearance 15.75"
Ground contact length 13' 6"
Ground pressure 13.4 psi
Turret ring diameter  
Armament  
Main 75 mm
75 mm M3
Secondary  
MG 3: MG
2: .30 cal MG
.50 cal MG, AA
Side arms  
Quantity  
Main 97
Secondary  
MG .30: 4,750
Side arms  
Armor Thickness (mm) 12
1" - 2"
Hull Front, Upper 50
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom  
Turret Front 75
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model) Ordnance RD-1820
Caterpillar D-200A
Bore / stroke  
Cooling  
Cylinders 9
Capacity  
Net HP 497
Power to weight ratio  
Compression ratio  
Transmission (Type)  
Steering  
Steering ratio  
Starter  
Electrical system  
Ignition  
Gear ratio - 1st gear 7.56:1
- 2nd gear 3.11:1
- 3rd gear 1.78:1
- 4th gear 1.11:1
- 5th gear 0.73:1
- Reverse 5.65:1
Fuel (Type) Diesel
Octane  
Quantity 150 gallons
Road consumption  
Cross country consumption  
Performance  
Traverse 360°
Speed - Road 25 mph
Speed - Cross Country  
Range - Road 100 miles
Range - Cross Country  
Turning radius  
Elevation limits -10° to +25°
Fording depth 3' 6"
Trench crossing 8'
Vertical obstacle 2'
Climbing ability  
Suspension (Type) Vertical volute.
Wheels each side  
Return rollers each side  
Tracks (Type)  
Length  
Width 16.5"
Diameter  
Number of links  
Pitch  
Tire tread  
Track centers/tread 6' 11"

Sources:

  1. The American Arsenal, 1996
  2. Tanks of World War II, Duncan Crow, 1979
  3. British and American Tanks of World War Two, The Complete Illustrated History of British, American, and Commonwealth Tanks 1933-1945, Peter Chamberlain and Chris Ellis, 1969
  4. Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
20th Century American Military History Crucial Site