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McCormick-Deering WA-40
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Model history
Model introduced 1935
Model discontinued 1936
Model status Discontinued
No. produced 4,619 WA-40 and WD-40 in 1935-1936
Preceded by McCormick-Deering 15-30
Superseded by McCormick-Deering WK-40
Engine Specification
Engine make International
Fuel type kerosene
Power hp Unknown
Governed rpm 1600
Displacement cu in /(litre) 279 ci
No. of Cylinders 6
Bore in (mm) 3.625 in
Stroke in (mm) 4.5 in
Cooling system Water
Naturally aspirated, Turbo or Supercharged NA
Transmission Details
Transmission type sliding gear
Gearbox make International
Forward 3
Reverse 1
Drive 2-WD
General Data
Linkage Category Drawbar
Tyre Sizes (std/options)
Front steel 34"x6"
Rear steel 50"x12"
Tractor Dimensions
Length (inches/metres) 141 in
Width (inches/meters) 66 in
Height (inches/meters) 67 in
Weight (nominal) lb/kg 6630 lb
Turning circle (nominal) inches/meters 34 ft
Wheelbase 85 in
Other info
Factories Milwaukee Works, USA
Plow rating 4
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The McCormick-Deering WA-40 was built by International Harvester from 1935 to 1936 in the USA

Model historyEdit

For company history see main International Harvester article.

The McCormick-Deering WA-40 wheatland-style standard-tread tractor replaced the McCormick-Deering 15-30 (22-36). The truck-based 279 ci overhead-valve 6-cylinder engine from the McCormick-Deering TA-40 crawler replaced the antiquated 4-cylinder engine of the 15-30. In 1937 the WA-40 was upgraded to become the McCormick-Deering WK-40, with the engine increased to 298 ci and the rpm increased from 1,600 to 1,750. The same basic tractor was also built with a diesel engine as the McCormick-Deering WD-40. Similar industrial models were the McCormick-Deering IA-40 and ID-40 and International IK-40 and ID-40.

Timeline Edit

Factory locations Edit

International Harvester Milwaukee Works, Milwaukee, Wisconsin

SpecificationsEdit

See infobox for basic details

Variations and Options Edit

  • Optional rubber tires
    • front: 7.50-18, 7.50-24
    • rear: 12.75-28, 12.75-32

Serial numbers and production figuresEdit

Year Serial run[1] Number Built[2] Notes (Total WA-40 and WD-40 built in 1935-1936 was 4,619).
1935 WAC501-1440 940 WA-40 & WD-40
1936 WAC1441-5119 3679 WA-40 & WD-40

Preserved modelsEdit

Add any know examples in preservation to this list please.

List of Preserved International W -40 series 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
McCormick-Deering WK-40 76 RNM WKC2277 1936 International Brian Bowles, Wrangle
International WK40 - IMG 7118
Carrington Steam and Tractor Rally 2011 Restored, Originally supplied new on steel wheels
McCormick-Deering W-40 unregistered WKC10053 1939 International 298 FFB Carl Hargreaves, Lancashire
Mccormick w40

McCormick-Deering W-40 Built in July 1939

Mid 1990's Canadian Import, Excellent running older restoration, with high speed top gear
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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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See alsoEdit

ReferencesEdit

  1. Wendel, C. H. 1981. 150 Years of International Harvester, Crestline Publishing Co., Sarasota, Florida. (serial numbers p.412)
  2. Klancher, Lee 1996. International Harvester Photographic History, Motorbooks International, Osceola, Wisconsin, p.71

External linksEdit

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