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McCormick-Deering O-4
McCormick O-4
McCormick O-4 Grove & Orchard model
Model history
Model introduced 1940
Model discontinued 1953
Model status Discontinued
Preceded by 10-20 Orchard
Engine Specification
Engine make International
Engine model C-152
Fuel type gasoline
Power hp 24 belt, 21 drawbar
Governed rpm 1650
Displacement cu in /(litre) 152 ci
No. of Cylinders 4
Bore in (mm) 3.375 in
Stroke in (mm) 4.25 in
Cooling system Water
Naturally aspirated, Turbo or Supercharged na
Transmission Details
Transmission type sliding gear
Clutch Rockford single dry disc
Gearbox make International
Forward 5
Reverse 1
Drive 2-WD
Linkage Category Unknown
Tyre Sizes (std/options)
Front 6.00-16 4-ply
Rear 13-26 6-ply
Tractor Dimensions
Length (inches/metres) 120 in
Width (inches/meters) 60 in
Height (inches/meters) 56 in
Weight (nominal) lb/kg 3965 lb
Turning circle (nominal) inches/meters 20 ft
Wheelbase 67 in
Other info
Factories Rock Island, Illinois, USA
Plow rating 2-14"
Nebraska Tests No. 353
Approximate Cost new in (year) $1095 (1941)
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The McCormick-Deering O-4 was built by International Harvester from 1940 to 1953 in Rock Island, Illinois, USA.

Model History Edit

For Company history see
Main article: International Harvester

The McCormick-Deering O-4 orchard tractor was based on the W-4 standard. The tractor was built narrower to fit more easily between rows of trees. The air intake and exhaust were lowered to give a completely smooth hood. Optional headlights were mounted below the radiator. The seat and controls were mounted lower and farther to the rear. Smooth shielding covered the rear wheels and steering wheel and side panels enclosed the engine so that there was nothing exposed to catch on low hanging branches and fruit.

Timeline Edit

Factory locations Edit

  • Farmall Works, Rock Island, Illinois, USA

Specification Edit

See Infobox for basic details

  • Standard tires
    • Front: 5.50-16 4-ply (1940)
    • Rear: 11.25-24 4-ply (1940); 11-26 4-ply (1946); 12-26 6-ply (1948); 13-26 6-ply (1951)

Variations and Options Edit

  • Optional tires
    • Front: 5.50-16 6-ply, 6.00-16 4 or 6-ply (1941); 6.50-16 4-ply (1952)
    • Rear: 11.25-24 or 12.75-24 6-ply (1941); 12-26 or 13-26 6-ply (1946)

Serial Numbers Information Edit

Year Serial no. run
start[1]
Serial no. run
End[1]
Number Built Notes
1940 OBH501 942 Serial range includes W-4, O-4, OS-4, I-4
1941 943 4055 Number built included with W-4
1942 4056 5692
1943 5693 7592
1944 7593 11170
1945 11171 13933
1946 13934 16021
1947 16022 18879
1948 18880 21911
1949 21912 24469
1950 24470 28166
1951 28167 31213
1952 31214 33066
1953 33067 34043[2]
Total built

PreservationEdit

Gallery Edit

Add extra photos here please.

See also Edit

Collection related info
  • Shows and Meets - events featuring tractors and other machinery
  • Clubs Listing - List of clubs including various tractor marques
  • Collections - list of private collections with tractors (add yours)
  • Museums - includes museums featuring tractors (please add missing ones)

References / Sources Edit

  1. 1.0 1.1 Wendel, C. H., 150 Years of International Harvester, Crestline Publishing, Sarasota, Florida, 1981
  2. Baumheckel, Ralph and Borghoff, Kent, International Farm Equipment Product History, American Society of Agricultural Engineers, St. Joseph, Michigan, 1997


External Links Edit

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