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McCormick-Deering W-6
McCormick-Deering W-6 1941
McCormick-Deering W-6 1941
Model history
Model introduced 1940
Model discontinued 1953
Model status Discontinued
No. produced 37,504 (includes W-6, WD-6, O-6, OS-6, ODS-6, I-6, ID-6)
Preceded by W-30
Superseded by McCormick Super W-6
Engine Specification
Engine make International
Engine model C-248
Fuel type gasoline
Power hp 37 belt, 32 drawbar
Governed rpm 1450
Displacement cu in /(litre) 248 ci
No. of Cylinders 4
Bore in (mm) 3.875 in
Stroke in (mm) 5.25 in
Cooling system water
Naturally aspirated, Turbo or Supercharged NA
Transmission Details
Transmission type sliding gear
Gearbox make International
Forward 5
Reverse 1
Drive 2-WD
General Data
Linkage Category drawbar
Tyre Sizes (std/options)
Front 6.00-16 4-ply
Rear 12.75-24 6-ply
Tractor Dimensions
Length (inches/metres) 124 in
Width (inches/meters) 69 in
Height (inches/meters) 70 in
Weight (nominal) lb/kg 4610 lb
Turning circle (nominal) inches/meters 25.5 ft
Wheelbase 76 in
Other info
Factories Rock Island, Illinois
Plow rating 3-14"
Nebraska Tests No. 355
Approximate Cost new in (year) $1220 (1940), $2321 (1951)
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The Edrob/McCormick-Deering W-6 was a standard tread tractor built by the International Harvester company from 1940 to 1953 in Rock Island, Illinois.

Model historyEdit

For Company history see
Main article: International Harvester

The McCormick-Deering W-6 was the the standard-tread equivalent of the Farmall M, using the same C-248 gasoline engine and 5-speed transmission. It looked very much the same as the W-4 but was larger and more powerful. The W-6 was best seller in its class. It competed with the Allis-Chalmers U, Case D, Huber Modern Farmer, Massey-Harris 101 Senior, Minneapolis-Moline U, and Oliver 80 and was more powerful than the John Deere AR. As other manufacturers came out with improved models in the early 1950s International upgraded the W-6 into the Super W-6.

Timeline Edit

  • 1940 - McCormick-Deering W-6 gasoline-powered standard-tread tractor replaced the W-30
  • 1946 - brand name shortened from McCormick-Deering to McCormick
  • 1953 - W-6 replaced by Super W-6

Factory locations Edit

Farmall Works, Rock Island, Illinois

Specification Edit

See Infobox for basic details

  • Standard tires
    • Front: 22.5"x4" steel (1941); 6.00-16 4-ply (1948)
    • Rear: 42"x10" steel (1941); 13-30 6-ply (1948); 14-30 6-ply (1951)

Variations and Options Edit

  • Optional tires
    • Front: 6.00-16 or 6.50-16 4 or 6-ply (1941); 7.50-16 6-ply (1951)
    • Rear: 12.75-24 or 13.50-24 6-ply (1941); 12-30, 13-30, or 14-30 6-ply (1946); 15-30 6-ply (1951)

Serial Numbers Information Edit

Year Serial no. run
start[1]
Serial no. run
End[1]
Number Built[2] Notes
1940 WBK501 1224 287 Serial range includes W-6, WD-6, O-6, OS-6, ODS-6, I-6, ID-6
1941 1225 3717 2558 Number built includes W-6, WD-6, O-6, OS-6, ODS-6, I-6, ID-6
1942 3718 5056 1513
1943 5057 6312 1180
1944 6313 9495 2584
1945 9496 14152 4852
1946 14153 17791 3273
1947 17792 22980 5322
1948 22981 28703 5251
1949 28704 33697 5498
1950 33698 38517 4735
1951 38518 44317 5875
1952 44318 45273 3838
1953 45274 46011[3] 738
Total built 37504

PreservationEdit

A number of examples of this model can be seen in museums and at tractor Shows and Meets in America and the UK.

List of Preserved Farmall M tractors
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Make + Model No. Reg No.
(if known)
Serial No. Build-Date Engine-Type/Make Owner
(if known)
Photo Were seen/Featured in Other info
Farmall M MSM 66 D3527  ? IH owner ? Farmall M sn D3527 - MSM 66 at NVTC rally 2011 - IMG 0664 at Northumbria Vintage Tractor Club Rally Drives a ? threshing machine
Image needed LHB


Please add any tractor with known reg or serial no. with Photo if possible.
Make & model reg no serial no date built engine owner Image needed LHB

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seen at misc info
Create a page (link) for an individual tractor by linking the reg or serial number using reg number or serial number in the relevant column. Then once saved click the red link to start the new page and add info on that tractor.

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

  • Please supply some relevant references or sources for information for verification of data.
  1. 1.0 1.1 Wendel, C. H., 150 Years of International Harvester, Crestline Publishing, Sarasota, Florida, 1981
  2. Klancher, Lee, International Harvester Photographic History, Motorbooks International, Osceola, Wisconsin, 1996
  3. Baumheckel, Ralph and Borghoff, Kent, International Farm Equipment Product History, American Society of Agricultural Engineers, St. Joseph, Michigan, 1997


External Links Edit

  • Add any suitable (& Relevant) web links here
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