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United States' M13, M14, M17 Gun Motor Carriage

Design

Armor on sides and rear hinged down.

Production

  • M13: 535
    • Production: 1942
    • Manufacturer: Autocar Co., Diamond T Motor Co., White Motor Co.
  • M14: 1,905
    • Production: 1943
    • Manufacturer: International Harvester
  • M17: 1,000
    • Production: 1943 - 1944
    • Manufacturer: International Harvester

Variants

  • M13: The gun mount was developed by the W.L. Maxson Co. Standardized in September 1942. Once the M16 was ready it was designated Substitute Standard. Manufactured by Autocar Co., Diamond T Motor Co., and White Motor Co. M3 chassis. Had Maxson twin .50 cal MG turret. It's sight was a Navy Mark IX reflex. Elevation of 90° to - 11.5°. Could traverse 74° per second. 400-500 rounds per minute. Range was 7,200 yards. Feed boxes held 200 rounds.
  • M14: Designated Substitute Standard in October 1942. Manufactured by International Harvester Co. M5 chassis. Had 2 .50 cal MG in M33 mount. Many supplied to Britain.
  • M17: Designated Substitute Standard in December 1942. Manufactured by International Harvester Co. M5 chassis. Had 4 .50 cal MG in M45 mount.

Specifications

  M13, M14, M17
Crew Commander, driver, gunner, loaders (2)
Physical Characteristics  
Weight 20,000 lb
Length 20' 2 5/8"
Height 7' 5"
Width 7' 3.5"
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main M13, M14: 2: M2 .50 cal
M17: 4: M2 .50 cal
Secondary  
MG  
Side arms .45 Submachine gun
M1903 .30 Rifle
3: M1 Carbines
Grenades
Quantity  
Main 5,000
Secondary  
MG  
Side arms .45: 420
Grenades: 36
Armor Thickness (mm)  
Hull Front, Upper 12.72
Hull Front, Lower 6
Hull Sides, Upper 6
Hull Sides, Lower 6
Hull Rear 6
Hull Top  
Hull Bottom 6.35
Turret Front  
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model) White 160AX
Transmission  
Capacity  
Performance  
Traverse 360°
Speed - Road 45 mph
Speed - Cross Country  
Range - Road 180-215 miles
Turning Radius  
Elevation Limits M13: -10° to +90°
Fording depth 2' 8"
Trench crossing  
Vertical Obstacle 1'
Suspension (Type) Vertical volute
Wheels each side  
Return rollers each side  
Track length  
Tires  
Track width  
Track centers/tread 5' 3.25"

 

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