McCormick-Deering TK-40 1937
McCormick-Deering T-40 with Bucyrus-Erie bullgrader, 1937
Model history
Model introduced 1937
Model discontinued 1939
Model status Discontinued
Preceded by TA-40
Superseded by International T-14
Engine Specification
Engine make International
Fuel type gasoline
Power hp 52 belt, 44 drawbar
Governed rpm 1750
Displacement cu in /(litre) 298 ci
No. of Cylinders 6
Bore in (mm) 3.75 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 5
Reverse 1
Drive crawler
General Data
Linkage Category drawbar
Tyre Sizes (std/options)
Front 16" tracks
Tractor Dimensions
Length (inches/metres) 140 in
Width (inches/meters) 64 in
Height (inches/meters) 69 in
Weight (nominal) lb/kg 11705 lb
Turning circle (nominal) inches/meters 14 ft
Other info
Factories Tractor Works, Chicago, Illinois, USA
Plow rating 5-8 14"
Nebraska Tests No. 281
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The McCormick-Deering T-40 was a gasoline engined crawler tractor built by the International Harvester company from 1937 to 1939 in Chicago, Illinois, USA.

Model historyEdit

For Company history, see International Harvester.

The McCormick-Deering T-40 was an update of the TA-40, with more power from a larger 298 ci 6-cylinder engine running at a higher 1750 rpm. It competed with the Allis-Chalmers K, Caterpillar Forty, and Cletrac CG.

Timeline Edit

Factory locations Edit

  • Tractor Works, Chicago, Illinois, USA

Specification Edit

See Infobox for basic details

Variations and Options Edit

  • Wide-tread version
  • Electric starting and lighting
  • Cab

Serial Numbers Information Edit

Year Serial no. run
Serial no. run
Number Built[2] Notes
1937 6303 7718 1416 Serial range and yearly total include T-40 and TD-40
1938 7719 8598 880
1939 8599 9565 967
Total built 1666[1] T-40 only

Preservation Edit

No information on any individual examples of these tractors in preservation is currently available on here.

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Gallery Edit

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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 1.2 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, p.103

External Links Edit

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