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McCormick-Deering 10-20 TracTracTor

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McCormick-Deering 10-20 TracTracTor
McCormick-Deering 10-20 crawler
McCormick-Deering 10-20 TracTracTor, Heidrick Ag History Center, Woodland, California
Model history
Model introduced 1928
Model discontinued 1931
Model status Discontinued
No. produced 1,525
Preceded by New model
Superseded by McCormick-Deering T-20
Engine Specification
Engine make International
Fuel type kerosene
Power hp 27 belt, 23 drawbar
Governed rpm 1025
Displacement cu in /(litre) 284 ci
No. of Cylinders 4
Bore in (mm) 4.25 in
Stroke in (mm) 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 crawler
General Data
Linkage Category drawbar
Tractor Dimensions
Weight (nominal) lb/kg 7350 lb
Other info
Factories Tractor Works, Chicago, Illinois
Plow rating
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The McCormick-Deering 10-20 TracTracTor was a gasoline engined crawler tractor built by the International Harvester company from 1928 to 1931 in Chicago, Illinois.

Model historyEdit

For Company history, see International Harvester.

The McCormick-Deering 10-20 TracTracTor, International Harvester's first production crawler, was basically a tracked conversion of the 10-20 wheel tractor. The crawler was steered by means of individual steering clutches and brakes for each track. The external clutches were contained in dome-shaped structures in the driving compartment, structures which came to be nicknamed "camel humps". Steering levers protruding from the domes could be pivoted upward so the tractor could be driven from a standing position. Other distinguishing features of the crawler were the larger rear than front sprocket, causing the top of the track to be slanted, and the air cleaner placed in front of the radiator.

Timeline Edit

Factory locations Edit

Tractor Works, Chicago, Illinois

Specification Edit

See Infobox for basic details

Variations and Options Edit

Serial Numbers Information Edit

Year Serial no. run
Serial no. run
Number Built[2] Notes
1928 TT501 700
1929 701 975 472
1930 976 1527 78
1931 1528 2005 975
Total built 1525

Preservation Edit

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

Do you know of any examples to list ?

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)
    • Heidrick Ag History Center, Woodland, California - large collection of antique wheel and crawler tractors

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

External Links Edit

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