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Holt75pk

The Holt 75 tractor, circa 1914

The Holt tractors were a range of caterpillar tractors built by the Holt Manufacturing Company, which was named after the founder Benjamin Holt.

Military Use Edit

They were most famously used by the British, French and American armies in World War I for hauling heavy artillery: including BL 9.2 inch Howitzer and the BL 8 inch Howitzer. By 1916 more than 1000 were in use by British and by the end of the war around 10,000 had been used.[1]

Holt tractor hauling a 9.2 inch Howitzer to a forward area

A Holt tractor hauling a 9.2 inch Howitzer to a forward area in The Battle of the Somme July–November 1916

Specification Edit

There were at least two models used for military purposes:

  • The Holt 75 - A 75 h.p. model used two tracks for steering. It had a maximum speed of 15 miles per hour (24 km/h) and had a gasoline engine.[2]
  • The Holt 120 - A 120 horsepower (89 kW) model weighed about 18,000 pounds (8,200 kg). This had a tiller-type steering wheel at the front that was usually covered by the canopy.[3]

LiteratureEdit

  • Holt Tractors Photo Archive: An Album of Steam and Early Gas Tractors, ISBN 9781882256105
8inchHowitzerMk1BeingTowedSomme1916

8 inch Howitzer Mk V being towed by a Holt tractor at the Battle of the Somme, 1917

See alsoEdit

ReferencesEdit

External linksEdit

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