Holt Tractor on:
[Wikipedia]
[Google]
[Amazon]
The Holt tractors were a range of
Between 1908 and 1913, twenty-seven of the first 100 Holt caterpillar track-type tractors were used on the
They were widely used by the British, French and American armies in the
Holt tractor models
{{DEFAULTSORT:Holt Tractor Artillery tractors Caterpillar Inc. vehicles Holt Manufacturing Company World War I vehicles of the United Kingdom
The Holt tractors were a range of continuous track
Continuous track or tracked treads are a system of vehicle propulsion used in tracked vehicles, running on a continuous band of treads or track plates driven by two or more wheels. The large surface area of the tracks distributes the w ...
haulers built by the Holt Manufacturing Company of Stockton, California
Stockton is a city in and the county seat of San Joaquin County, California, San Joaquin County in the Central Valley (California), Central Valley of the U.S. state of California. It is the most populous city in the county, the List of municipal ...
which were named after company founder Benjamin Holt.Between 1908 and 1913, twenty-seven of the first 100 Holt caterpillar track-type tractors were used on the
Los Angeles Aqueduct
The Los Angeles Aqueduct system, comprising the Los Angeles Aqueduct (Owens Valley aqueduct) and the Second Los Angeles Aqueduct, is a water conveyance system, built and operated by the Los Angeles Department of Water and Power. The Owens Valley ...
project, which provided a good proving ground for these machines.
Military use
They were widely used by the British, French and American armies in the First World War
World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
for hauling heavy artillery including the BL 9.2-inch howitzer and the BL 8-inch howitzer. Around 2,000 Holt 75s along with 698 Holt 120s and 63 Holt 60s saw military use during the war. The French Schneider CA1
The Schneider CA 1 (originally named the Schneider CA) was the first French Third Republic, French tank, developed during the First World War.
The Schneider was inspired by the need to overcome the stalemate of trench warfare which on the Wester ...
and Saint-Chamond and German A7V tanks were based on Holt tractors.
Specification
There were at least three models used for military purposes: the Holt 75, the Holt 120 and to a lesser extent the Holt 60. The Holt 75 was first produced in 1913. It used two tracks for steering. It had a maximum speed of and had agasoline engine
A petrol engine (gasoline engine in American and Canadian English) is an internal combustion engine designed to run on petrol (gasoline). Petrol engines can often be adapted to also run on fuels such as Autogas, liquefied petroleum gas and Common ...
. In addition to US production 442 Holt 75s were built in Britain by Ruston & Hornsby in Lincoln. Production of the Holt 75 was to continue post war until 1924.
The model had a tiller-type steering wheel at the front that was usually covered. It weighed about . It was developed in direct response to a request for a heavy artillery tractor. The prototype was produced in 1914 with production beginning in 1915.
The Holt 60 which saw limited use in the war was introduced in 1911.
Literature
* Holt Tractors Photo Archive: An Album of Steam and Early Gas Tractors,
References
External links
Holt tractor models
{{DEFAULTSORT:Holt Tractor Artillery tractors Caterpillar Inc. vehicles Holt Manufacturing Company World War I vehicles of the United Kingdom