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M5 High-Speed Tractor
WW2 artillery tractor, Fort Lewis.jpg
M5 tractor in Fort Lewis Museum
Type Artillery tractor
Place of origin United States
Service history
Used by US Army & Belgian army
Wars World War II
Production history
Designed 1942
Manufacturer International Harvester
Variants 5
Weight 13.791 t
Length 5.03 m (16ft 6in)
Width 2.54 m (8ft 4in)
Height 2.69 m (8ft 10in)
Crew 1 + 10

Armor none
1 x M2 Browning machine gun
Engine Continental R6572 six-cylinder petrol engine
207 hp (154 kW)
Power/weight 15.0 hp/t
290 km (180 mi)
Speed 48 km/h (30 mph)

The M5 High-Speed Tractor was an artillery tractor used by the US Army from 1942.


The M5 is a fully track vehicle designed to tow the 105 mm Howitzer M2, and the 155 mm Long Tom field artillery, and carry the gun crew and ammunition. A winch and roller system allows the M5 to pull vehicles to the front or rear. Armament is a single anti-aircraft M2 Browning machine gun.


The M5 was standardized in October 1942 from the T21, a vehicle based on the tracks and suspension of the Stuart tank. International Harvester started production in 1942. The M5 did not serve in US Army for long after World War II, but Japan, Austria, Yugoslavia and Pakistan continued to use it.[citation needed]


  • M5 soft top, center driver, Vertical Volute Spring
  • M5A1 hard top, left driver, Vertical Volute Spring
  • M5A2 soft top, center driver, Horizontal Volute Spring
  • M5A3 hard top, left driver, Horizontal Volute Spring
  • M5A4 Half top, center driver, side ammo boxes, Horizontal Volute Spring

Surviving artifacts

  • Marshall Museum [1]
  • 1 at 45th ID Museum [2]
  • Museum of the American G.I., College Station, TX (unit is fully functional) [3]
  • 1 M5A2 at Armourgeddon Tank Driving, Husbands Bosworth, Leicestershire, UK Armourgeddon

Many M5 Tractors were used in British Columbia, Canada, as carriers for rock drills. The Chapman "Drilmobile", manufactured by Chapman Motor & Machine Shop of Delta, BC was designed specifically for logging road construction, and was quite popular.

See also


M5 tractor in Korea.

  • Trewhitt, Philip (1999). Armoured Fighting Vehicles. p 308: Dempsey-Parr. ISBN 1-84084-328-4. 
  • TM 9-2800
  • TM 9-786 Operating and Maintenance Instructions, 13-Ton, High Speed Tractor M5
  • TM 9-1786A Ordnance Maintenance for power train, tracks, 13-Ton, High Speed Tractor M5 (1944)
  • TM 9-1786B Ordnance Maintenance for engine, 13-Ton, High Speed Tractor M5 (1944)
  • TM 9-8627 Electrical equipment, Delco-Remy. 1953. Generators, regulators, distributors, starters, etc.
  • TM 9-1829A Speedometers, tachometers, recorders [4]
  • TM 9-2430-201
  • SNL G162

External links

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