M13, M14, M17 Gun Motor Carriage
Armor on sides and rear hinged down.
M13
M13 in the Battle of the Bulge.
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.
| M13, M14, M17 | |
|---|---|
| Crew | Commander, driver, gunner, loaders (2) |
| Physical Characteristics | |
| Weight | 20,000 lb |
| Length w/gun | 20' 2 5/8" |
| Length w/o gun | |
| 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° |
| Max Speed | 45 mph |
| Cross Country | |
| Road radius | 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" |
| Production | M13: Autocar Co., Diamond T Motor Co., White Motor Co. 1942 535 M14: International Harvester 1943 M17: International Harvester 1943-1944 |
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