The John Deere Model H tractor was a row-crop tractor produced by

John Deere Deere & Company, Trade name, doing business as John Deere (), is an American corporation that manufactures agricultural machinery, heavy equipment, forestry machinery, diesel engines, drivetrains (axles, Transmission (mechanical device), transmi ...

from 1939 to 1947.

Description and production

The H was introduced in 1939 as a much-scaled-down version of the

John Deere Model G The John Deere Model G tractor was a large three-plow row-crop tractor produced by John Deere from 1937 to 1953, with successor models produced until 1961. It was followed by the 70, 720, and 730. Description and production The G was released ...

. It was a general-purpose row-crop tractor, intended for smaller farms. As with most row-crop tractors, the spacing between the rear wheels could be adjusted to suit row spacings. The front wheels were offered with wide and narrow wheel arrangements, as well as high-crop and single front wheel versions. The tractor was equipped with a two-cylinder side-by-side engine of 99.7 cubic inches (1,634 cc) displacement. A cost-saving peculiarity of the H was that the engine output was through the

camshaft A camshaft is a shaft that contains a row of pointed cams in order to convert rotational motion to reciprocating motion. Camshafts are used in piston engines (to operate the intake and exhaust valves), mechanically controlled ignition syst ...

rather than through the

crankshaft A crankshaft is a mechanical component used in a reciprocating engine, piston engine to convert the reciprocating motion into rotational motion. The crankshaft is a rotating Shaft (mechanical engineering), shaft containing one or more crankpins, ...

. A three-speed transmission was provided. The H was produced only for

kerosene Kerosene, or paraffin, is a combustibility, combustible hydrocarbon liquid which is derived from petroleum. It is widely used as a fuel in Aviation fuel, aviation as well as households. Its name derives from the Greek (''kērós'') meaning " ...

fuel. Production ended in 1947. The

Model M Model M keyboards are a group of computer keyboards designed and manufactured by IBM starting in 1985, and later by Lexmark International, Maxi Switch, and Unicomp. The keyboard's different variations have their own distinct characteristi ...

was an indirect follow-on product.Pripps, pp. 58-59 58,584 Model Hs were built at the John Deere factory in

Waterloo, Iowa Waterloo is a city in and the county seat of Black Hawk County, Iowa, Black Hawk County, Iowa, United States. As of the 2020 United States census the population was 67,314, making it the List of cities in Iowa, eighth-most populous city in the st ...

.MacMillan, p. 69

References

External links

Test 312: John Deere H
at the

Nebraska Tractor Test Laboratory The Nebraska Tractor Test Laboratory (NTTL) is a program operated by the University of Nebraska in accordance with Nebraska law to test the performance of agricultural equipment that is to be sold in the United States for compliance with OECD stand ...

{{John Deere John Deere tractors Vehicles introduced in 1939 Vehicles discontinued in 1947