The Farmall H is a medium-sized two-plow

row crop tractor A tractor is an engineering vehicle specifically designed to deliver a high tractive effort (or torque) at slow speeds, for the purposes of hauling a trailer or machinery such as that used in agriculture, mining or construction. Most common ...

produced by

International Harvester The International Harvester Company (often abbreviated by IHC, IH, or simply International ( colloq.)) was an American manufacturer of agricultural and construction equipment, automobiles, commercial trucks, lawn and garden products, household e ...

under the

Farmall Farmall was a model name and later a brand name for tractors manufactured by International Harvester (IH), an American truck, tractor, and construction equipment company. The Farmall name was usually presented as McCormick-Deering Farmall and l ...

brand from 1939 to 1954. It was the most widely produced of International Harvester's " letter series", with approximately 390,000 produced over the 14-year run. It succeeded the

Farmall F-20 The Farmall F-20 is a medium-sized two-plow row crop tractor produced by International Harvester under the Farmall brand from 1932 to 1939, with approximately 148,000 produced. It replaced the Farmall Regular The Farmall Regular, or just the ...

. The H was incrementally updated with new model numbers as the Super H, 300, and 350, but remained essentially the same machine. The original H used an International Harvester C152 4-cylinder in-line engine. Production of all versions lasted until 1963.

Description and production

Styled by

Raymond Loewy Raymond Loewy ( , ; November 5, 1893 – July 14, 1986) was a French-born American industrial designer who achieved fame for the magnitude of his design efforts across a variety of industries. He was recognized for this by ''Time'' magazi ...

, it was one of International Harvester's " letter series", replacing the Farmall F-20. The H was rated for two plows. The H is equipped with a

4-cylinder The engine configuration describes the fundamental operating principles by which internal combustion engines are categorized. Piston engines are often categorized by their cylinder layout, valves and camshafts. Wankel engines are often categorize ...

in-line overhead valve with a

displacement Displacement may refer to: Physical sciences Mathematics and Physics *Displacement (geometry), is the difference between the final and initial position of a point trajectory (for instance, the center of mass of a moving object). The actual path ...

and a 6-

volt The volt (symbol: V) is the unit of electric potential, electric potential difference (voltage), and electromotive force in the International System of Units (SI). It is named after the Italian physicist Alessandro Volta (1745–1827). Defi ...

, positive ground electrical system with generator, (when so ordered or retrofitted). The sliding-gear

transmission Transmission may refer to: Medicine, science and technology * Power transmission ** Electric power transmission ** Propulsion transmission, technology allowing controlled application of power *** Automatic transmission *** Manual transmission *** ...

includes six total gears: five forward and one reverse. Early

distillate Distillation, or classical distillation, is the process of separating the components or substances from a liquid mixture by using selective boiling and condensation, usually inside an apparatus known as a still. Dry distillation is the heat ...

and kerosene models started on gasoline and switched to their regular fuels once they were warmed up. A gasoline engine was added to the line in 1940. The top road speed was , but the fifth gear was not enabled on tractors sold with steel wheels, an option present in early models and during World War II, when rubber was rationed.The standard front wheels were closely-spaced nose wheels, with options for a single wheel or a wide front axle. Rear wheels could be adjusted from to in width to allow for different crop row widths. An optional extended axle allowed widths of up to .Pripps, pp. 65-69 The H was the smaller of the two prominent row crop tractors produced by IH from the late 1930s to the early 1950s, along with the

Farmall M The Farmall M is a large three-plow row crop tractor produced by International Harvester under the Farmall brand from 1939 to 1953. It was of International Harvester's "List of International Harvester vehicles#Farmall F and Letter Series (1924� ...

and its variants, yet could still use the same implements. As with the other letter-series IH tractors, the H used a modular design that allowed assemblies to be removed and replaced as units. All Hs had hydraulic lifts.The H was marketed to farmers with or more of tilled land.Pripps, pp. 65-69

H variants

Versions were produced for gasoline, distillate and kerosene fuels. Functional variants were the

hiboy A Hahn Hi-Boy is a specialized, high-clearance type of farm crop chemical applicator designed to operate in high crops without damaging them. The largest producer of hi-boys is Hagie Manufacturing Company of Clarion, Iowa, United States. The mo ...

HV for high crops,with of clearance, the W-4 with standard tread, the I-4 for industrial use, and the O-4 for orchard use.Pripps, pp. 65-69 About 392,000 Hs of all kinds were produced, and sold for between $850 and $1,650.Pripps, p. 109

Super H

In 1953 and 1954, International Harvester produced the Farmall Super H, which featured larger engine displacement of and , along with sealed

disc brake A disc brake is a type of brake that uses the calipers to squeeze pairs of pads against a disc or a "rotor" to create friction. This action slows the rotation of a shaft, such as a vehicle axle, either to reduce its rotational speed or to hol ...

s, allowing it to be rated for two plows. About 29,000 Super H tractors were produced. The Super H was replaced by the

Farmall 300 The Farmall H is a medium-sized two-plow row crop tractor produced by International Harvester under the Farmall brand from 1939 to 1954. It was the most widely produced of International Harvester's " letter series", with approximately 390,000 p ...

.Pripps, p. 95

Farmall 300

The Farmall 300 replaced the Super H in 1954, and was produced until 1956. It was restyled with chrome badging, adding a

torque amplifier A torque amplifier is a mechanical device that amplifies the torque of a rotating shaft without affecting its rotational speed. It is mechanically related to the capstan seen on ships. Its most widely known use is in power steering on automobiles. ...

transmission and a engine with a

liquefied petroleum gas Liquefied petroleum gas (LPG or LP gas) is a fuel gas which contains a flammable mixture of hydrocarbon gases, specifically propane, propylene, butylene, isobutane and n-butane. LPG is used as a fuel gas in heating appliances, cooking e ...

option, and dropping the option for distillate fuel. Variants included the IH 300 utility tractor, and a 300

model. Total production was 29,077, with an additional 170 high-clearance models.Pripps, pp. 115-117

Farmall 350

The Farmall 350 replaced the 300 in 1956 as an interim measure pending the introduction of the Farmall 340. Built from 1956 to 1958, it was slightly restyled from the 300. A Continental diesel engine was available as an option. The 350 was gradually replaced by the newly designed

Farmall 340 The Farmall 340 is a medium-sized row-crop tractor, first produced as part of the Farmall line by International Harvester in 1957. The 340 was a completely new design, unrelated to its predecessor the Farmall 350. Production ran until 1963 for th ...

beginning in 1957. About 28,000 350s were produced.Klancher, p. 183Pripps, p. 153 The 350 was produced as a utility tractor under the International Harvester 350 label, along with the IH 350 High-Utility high-clearance version, and the IH 350 Wheatland non-row-crop version.

Comparable products

Comparable products to the H include the

John Deere Deere & Company, doing business as John Deere (), is an American corporation that manufactures agricultural machinery, heavy equipment, forestry machinery, diesel engines, drivetrains (axles, transmissions, gearboxes) used in heavy equipment, ...

B, Case SC,

Massey Massey may refer to: Places Canada * Massey, Ontario * Massey Island, Nunavut New Zealand * Massey, New Zealand, an Auckland suburb United States * Massey, Alabama * Massey, Iowa * Massey, Maryland People * Massey (surname) Educati ...

101 Junior, and the

Minneapolis-Moline Motec Industries was a large tractor and farm and industrial machinery producer based in Hopkins, Minnesota known for its Minneapolis-Moline tractor line. It was the product of a merger of three companies in 1929: Minneapolis Steel & Machinery (M ...

RTU.Pripps, p. 66 The Oliver Super 66, Ford 960 and John Deere 60 were comparable to the 300.Pripps, p. 117 The Case 511B, Massey MF65 and Minneapolis-Moline 445 were comparable to the 450.Pripps, p. 123

References

External links

NTTL Test #334 - Farmall H - Gasoline
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 standa ...

archive
NTTL Test #492 - Farmall Super H
at the Nebraska Tractor Test Laboratory archive
NTTL Test #538 - McCormick Farmall Model 300
at the Nebraska Tractor Test Laboratory archive
NTTL Test #539 - International 300 Utility
at the Nebraska Tractor Test Laboratory archive
NTTL Test #573 - McCormick Farmall Model 300 LPG
at the Nebraska Tractor Test Laboratory archive
NTTL Test #574 - International 300 Utility LPG
at the Nebraska Tractor Test Laboratory archive
NTTL Test #611 - McCormick Farmall 350 Gasoline
at the Nebraska Tractor Test Laboratory archive
NTTL Test #609 - McCormick Farmall 350 Diesel
at the Nebraska Tractor Test Laboratory archive
NTTL Test #610 - International 350 Utility
at the Nebraska Tractor Test Laboratory archive
NTTL Test #615 - International 350 Utility Gasoline
at the Nebraska Tractor Test Laboratory archive
NTTL Test #619 - International 350 Utility LPG
at the Nebraska Tractor Test Laboratory archive
NTTL Test #622 - McCormick Farmall 350 LPG
at the Nebraska Tractor Test Laboratory archive {{commons category Farmall tractors Vehicles introduced in 1939 Raymond Loewy