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McCormick-Deering W series tractors

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McCormick-Deering W-9
McCormick-Deering W-D 9
TypeGeneral-use agricultural tractor
ManufacturerInternational Harvester
Production1940-1953
PropulsionRear wheels
Engine modelInternational Harvester C335 (gasoline)
Gross power44 horsepower (33 kW)
PTO power49.40 horsepower (36.84 kW) (belt)
Drawbar power44.15 horsepower (32.92 kW)
Drawbar pull4,365 pounds (1,980 kg)
Speed16.3 miles per hour (26.2 km/h) forward, 3.1 miles per hour (5.0 km/h) reverse
NTTL test369
Succeeded byInternational Harvester 660

The McCormick-Deering W series tractors were a range of standard-tread farming and industrial tractors produced by International Harvester that were derived from the Farmall letter series row-crop tractors of the 1940s and 1950s. Branded by International Harvester as McCormick-Deering products, with the same styling and red paint as the Farmall line, the W series had fixed wheel widths, lower height and wide front axles. Starting in 1956 the W series was integrated into the International Harvester numbering series and the McCormick-Deering branding was dropped.

Description

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In contrast to the letter series row-crop tractors, which were intended to straddle one or more rows in a field with high clearances and adjustable axles, the W tractors had fixed wheel widths and a generally lower profile with smaller rear wheels and wide front axles, since they were meant for plowing, orchards, wheatfields and other applications that did not require the row-crop features. The McCormick-Deering W series was closely aligned with the International Harvester industrial tractor series. Industrial tractors had different gearing and a foot-operated throttle. The W series retained the same Raymond Loewy styling as the letter series tractors.[1]

McCormick-Deering W-4

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The McCormick-Deering W-4 was based on the Farmall H and used the same International Harvester C152 152-cubic-inch (2,490-cubic-centimetre) displacement gasoline engine, with options for kerosene and distillate fuels. A five-speed sliding-gear transmission was standard, with fifth gear disabled on tractors that were delivered with steel wheels. Overall weight for single rear wheel tractors was about 3,800 pounds (1,700 kg). The W-4 was first produced in 1940.[2][3]

The industrial version was the International Harvester I-4. A McCormick-Deering O-4 was intended for vineyards and orchards, and had fenders and fairings designed to avoid snags on branches, with the exhaust routed underneath instead of overhead.[4] The OS-4 version only had the underslung exhaust, without the sheet metal guards.[5]

In 1953 the Super W-4 was introduced, with an International C164 engine with 164-cubic-inch (2,690-cubic-centimetre) displacement. A total of 35,868 W-4s of all versions were produced from 1940 to 1954.[2][6]

International Harvester 300

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In 1955 the Super W-4 was replaced by the International 300 Utility or W-300, with a 169-cubic-inch (2,770 cc) engine, giving the 300 utility a three-plow rating. McCormick-Deering branding was dropped. The W-300 was produced in 1955 and 1956. The W-300 was followed by the International 350 Utility pr W-350 in 1957–58.[7]

McCormick-Deering W-6

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The McCormick-Deering W-6 was the W-series version of the Farmall M, using the M's C248 engine, again in gasoline, distillate or kerosene versions. The remainder of the W-6 drivetrain was similar to the W-4's, but the tractor was heavier at 4,800 pounds (2,200 kg). A diesel version was also offered, the WD-6. The WD-6 was rated for three or four plows. As with the W-4, versions were made in W-6, WD-6, O-6, I-6 and ID-6 models.[8] OS-6 and ODS-6 models omitted the sheet metal guards, but kept the rearranged exhausts.

The immediate predecessor to the W-6 was the International W-30, a version of the Farmall F-30, which had a wide front axle in comparison to the F-30's narrowly-space front wheels. The W-30 was produced from 1932 to 1940.[9]

Super versions were introduced in 1952, using an IH C264 engine. A Super W6-TA and WD6-TA line was produced in 1954, with torque amplifier transmissions. Production of all models of the W-6 totaled 56,482 from 1940 to 1954.[10][11] Australian models, designated AW-6, were produced from 1949 to 1953.[12] The AW-7 followed in Australia, as a counterpart to the Farmall 400, from 1957 to 1960.[13][14][15][16]

International Harvester 400

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In 1955 the Super W-6 was replaced by the International 400 Utility or W-400, with a 264-cubic-inch (4,330 cc) engine. McCormick-Deering branding was dropped. The W-400 was produced in 1955 and 1956. The W-400 was followed by the International 450 Utility or W-450 in 1956–58.[9]

McCormick-Deering W-9

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Rear view of a W-D 9, showing the low profile compared to row-crop tractors

The McCormick-Deering W-9 departed from the letter series parallel, using much more powerful engines from International Harvester's crawler tractors, and heavier drivetrains. The W-9 was first produced in 1940 with the C335 engine used in the T-9 crawler. Running on gasoline, distillate or kerosene, it produced 44 horsepower (33 kW). Operating weight was over 10,000 pounds (4,500 kg). A WD-9 diesel version of the same displacement was available. Industrial tractors were the International I-9 and ID-9, and a special steel-wheeled rice field variant was the WR-9 and WDR-9. The Super W-9/WD-9 was produced in 1953 with greater torque.[17][18][19]

The predecessor to the W-9 was the McCormick-Deering W-40, a bigger version of the International W-30 with a six-cylinder engine, which was itself a wide-front-axle version of the Farmall F-30. A diesel-engine version was available, the WD-40. Both tractors were also sold as industrial tractors, the I-30 and ID-30. Production ran from 1934 to 1940.[20]

International Harvester 600

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International 650 tractor

The International Harvester 600 was a re-badged version of the Super W-9, with few changes, following the Farmall 100/200/300/400 numbering scheme, and dropping McCormick-Deering branding in favor of "International." 1,516 600s were produced in 1956 and 1957.[21][22] The International Harvester 650 was the successor to the 600, with a few more changes. 4,933 650s were produced in 1956 and 1957.[21][23] The 650 was succeeded by the restyled International Harvester 660 in 1959.[24]

References

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  1. ^ Klancher, Lee (2017). The Farmall Dynasty (1.2 ed.). Octane Press. pp. 141–150. ISBN 978-0-9821733-0-5.
  2. ^ a b Klancher, pp. 143-145
  3. ^ "McCormick-Deering W-4". TractorData. Retrieved 12 August 2021.
  4. ^ "McCormick-Deering O-4". TractorData. Retrieved 12 August 2021.
  5. ^ "McCormick-Deering OS-4". TractorData. Retrieved 12 August 2021.
  6. ^ "McCormick-Deering Super W-4". TractorData. Retrieved 12 August 2021.
  7. ^ Pripps, Robert N. (2020). The Field Guide to Classic Farm Tractors. Motor Books. pp. 112–113. ISBN 978-0-7603-6844-2.
  8. ^ "McCormick-Deering O-6". TractorData. Retrieved 12 August 2021.
  9. ^ a b Pripps, Robert N. (2020). The Field Guide to Classic Farm Tractors. Motor Books. pp. 114–115. ISBN 978-0-7603-6844-2.
  10. ^ Klancher, pp. 144-147
  11. ^ "McCormick-Deering W-6". TractorData. Retrieved 12 August 2021.
  12. ^ "McCormick-Deering AW-6". TractorData. Retrieved 12 August 2021.
  13. ^ "McCormick-Deering AW-7". TractorData. Retrieved 12 August 2021.
  14. ^ "McCormick-Deering OS-6". TractorData. Retrieved 12 August 2021.
  15. ^ "McCormick-Deering ODS-6". TractorData. Retrieved 12 August 2021.
  16. ^ "McCormick-Deering Super W-6". TractorData. Retrieved 12 August 2021.
  17. ^ Klancher, pp. 148-150
  18. ^ "McCormick-Deering W-9". TractorData. Retrieved 12 August 2021.
  19. ^ "McCormick-Deering Super WD-9". TractorData. Retrieved 12 August 2021.
  20. ^ Pripps fg 116-117>Pripps, pp. 116-117
  21. ^ a b Klancher, pp. 184-186
  22. ^ "International Harvester 600". TractorData. Retrieved 15 August 2021.
  23. ^ "International Harvester 650". TractorData. Retrieved 15 August 2021.
  24. ^ Klancher, pp. 186-190
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W-4 series

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W-6 series

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W-9 series

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W-40 series

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