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McCormick-Deering IA-40

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McCormick-Deering IA-40
Image needed LHB
Model history
Model introduced 1936
Model discontinued 1936
Model status Discontinued
No. produced 20 total McCormick-Deering IA-40 and ID-40
Preceded by McCormick-Deering 30 Industrial
Superseded by International IK-40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 7.50-20 4-ply
Rear 12.75-28 6-ply dual rear
Tractor Dimensions
Length (inches/metres) 139 in
Width (inches/meters) 96 in
Height (inches/meters) 82 in
Weight (nominal) lb/kg 9550 lb
Turning circle (nominal) inches/meters 34 ft
Wheelbase 85 in
Other info
Factories Milwaukee Works, WI, USA
Plow rating
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The McCormick-Deering IA-40 was built by International Harvester in 1936.

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 in 1935. A diesel version was also built as the WD-40. Similar industrial models were the McCormick-Deering IA-40 and ID-40, which became the International IK-40 and ID-40 in 1937.

Timeline Edit

Factory locations Edit

International Harvester Milwaukee Works, Milwaukee, Wisconsin


See infobox for basic details

Variations and Options Edit

Serial numbers and production figuresEdit

Year Serial run Number Built[1] Notes (Total IA-40, and ID-40 built was 20).
1936 IAC501-520 20 IA-40 & ID-40

Preserved modelsEdit

See alsoEdit


  1. Klancher, Lee 1996. International Harvester Photographic History, Motorbooks International, Osceola, Wisconsin, p.72

External linksEdit

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