Farmall H

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 produced over the 14-year run. It succeeded the Farmall F-20. 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.

Farmall H
Two Farmall H tractors
TypeRow-crop agricultural tractor
ManufacturerInternational Harvester
Production1939–1954
Length125.25 inches (318.1 cm)
Width75.7 inches (192 cm)
Height74 inches (190 cm) to steering wheel)
Weight2,845 pounds (1,290 kg)
PropulsionRear wheels
Engine modelInternational Harvester C152
Gross power26 horsepower (19 kW)
PTO power26.20 horsepower (19.54 kW) (belt)
Drawbar power24.17 horsepower (18.02 kW)
Drawbar pull3,603 pounds (1,634 kg)
Speed16.3 miles per hour (26.2 km/h) forward, 2.7 miles per hour (4.3 km/h) reverse
Preceded byFarmall F-20
Succeeded byFarmall Super H, followed by Farmall 300 and 350, replaced by Farmall 340

Description and production

Styled by Raymond Loewy,[1][2] it was one of International Harvester's "letter series", replacing the Farmall F-20. The H was rated for two 14-inch (36 cm) plows.[3]

The H is equipped with a 4-cylinder in-line overhead valve with a 152-cubic-inch (2,490-cubic-centimetre) displacement and a 6-volt, positive ground electrical system with generator, (when so ordered or retrofitted). The sliding-gear transmission includes six total gears: five forward and one reverse. Early distillate 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 17 miles per hour (27 km/h), 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 44 inches (110 cm) to 80 inches (200 cm) in width to allow for different crop row widths. An optional extended axle allowed widths of up to 100 inches (250 cm).[4][5]

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 and its variants, yet could still use the same implements.[6] 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 100 acres (40 ha) or more of tilled land.[4][5]

H variants

Versions were produced for gasoline, distillate and kerosene fuels. Functional variants were the hiboy HV for high crops,with 30.25 inches (76.8 cm) of clearance, the W-4 with standard tread, the I-4 for industrial use, and the O-4 for orchard use.[4][7][8][5] About 392,000 Hs of all kinds were produced, and sold for between $850 and $1,650.[9]

Super H

In 1953 and 1954, International Harvester produced the Farmall Super H, which featured larger engine displacement of 164 cubic inches (2,690 cubic centimetres) and 32 horsepower (24 kW), along with sealed disc brakes, allowing it to be rated for two 16-inch (41 cm) plows. About 29,000 Super H tractors were produced.[4][6] The Super H was replaced by the Farmall 300.[7][10]

Farmall 300
Farmall 300
Farmall 300
TypeRow-crop agricultural tractor
ManufacturerInternational Harvester
Production1954–1956
Length136 inches (350 cm)
Width100 inches (250 cm)
Height77 inches (200 cm) (to steering wheel)
Weight5,361 pounds (2,432 kg)
PropulsionRear wheels
Engine modelInternational Harvester C169 (gasoline)
Gross power42 horsepower (31 kW)
PTO power38.16 horsepower (28.46 kW) (belt)
Drawbar power33.73 horsepower (25.15 kW)
Drawbar pull5,650 pounds (2,560 kg)
Speed16.2 miles per hour (26.1 km/h) forward, 3.1 miles per hour (5.0 km/h) reverse
NTTL test538
Preceded byFarmall H
Succeeded byFarmall 350

The Farmall 300 replaced the Super H in 1954, and was produced until 1956. It was restyled with chrome badging, adding a torque amplifier transmission and a 169-cubic-inch (2,770-cubic-centimetre) engine with a liquefied petroleum gas option, and dropping the option for distillate fuel. Variants included the IH 300 utility tractor, and a 300 hiboy model. Total production was 29,077, with an additional 170 high-clearance models.[11][12][13][14]

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 beginning in 1957. About 28,000 350s were produced.[15][16][17] 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.[18]

Comparable products

Comparable products to the H include the John Deere B, Case SC, Massey 101 Junior, and the Minneapolis-Moline RTU.[19] The Oliver Super 66, Ford 960 and John Deere 60 were comparable to the 300.[20] The Case 511B, Massey MF65 and Minneapolis-Moline 445 were comparable to the 450.[21]

See also

References
  1. Pripps, Robert N. (2020). The Complete Book of Farmall Tractors. Motor Books. pp. 58–59. ISBN 978-0-7603-6389-8.
  2. Klancher, Lee (2017). The Farmall Dynasty (1.2 ed.). Octane Press. p. 108. ISBN 978-0-9821733-0-5.
  3. "1952 Farmall H Tractor". San Benito County Historical Society. Archived from the original on 17 November 2015. Retrieved 15 November 2015.
  4. Klancher, Lee (2017). The Farmall Dynasty (1.2 ed.). Octane Press. pp. 123–131. ISBN 978-0-9821733-0-5.
  5. Pripps, pp. 65-69
  6. "Farmall Letter Series". SUNY Fredonia. Archived from the original on 26 November 2015. Retrieved 15 November 2015.
  7. "Farmall H". TractorData.com. Retrieved 15 November 2015.
  8. "Farmall H". TractorSpecs. Retrieved 5 August 2021.
  9. Pripps, p. 109
  10. Pripps, p. 95
  11. "Farmall 300". TractorData. Retrieved 5 August 2021.
  12. "Farmall 300". TractorSpecs. Retrieved 5 August 2021.
  13. Pripps, pp. 115-117
  14. "International Harvester 300". TractorData. Retrieved 24 August 2021.
  15. "Farmall 350". TractorData. Retrieved 5 August 2021.
  16. Klancher, p. 183
  17. Pripps, p. 153
  18. "International Harvester 350". TractorData. Retrieved 24 August 2021.
  19. Pripps, p. 66
  20. Pripps, p. 117
  21. Pripps, p. 123
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