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McCormick-Deering T-20

McCormick-Deering T20
1934 McCormick-Deering T-20 at the 2004 Antique Farm Equipment

Show at Tulare Calif.
Model history
Model introduced 1932
Model discontinued 1939
Model status Discontinued Discontinued
No. produced 15,032
Preceded by Model 15 TracTracTor
Superseded by International T-6
Engine Specification
Engine make International
Engine model C-221
Fuel type kerosene
Power hp 27 belt, 23 drawbar
Governed rpm 1250
Displacement cu in /(litre) 221 ci
No. of Cylinders 4
Bore in (mm) 3.75 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
Tyre Sizes (std/options)
Front 10" tracks
Tractor Dimensions
Length (inches/metres) 113 in
Width (inches/meters) 55 in
Height (inches/meters) 56 in
Weight (nominal) lb/kg 6250 lb
Turning circle (nominal) inches/meters 12 ft
Other info
Factories Tractor Works, Chicago, Illinois, USA
Plow rating 3-14"
Nebraska Tests No. 199
Approximate Cost new in (year) $1495 (1935)
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The McCormick-Deering T-20 was a kerosene engined crawler tractor built by the International Harvester company from 1932 to 1939 in Chicago, Illinois, USA.

Model historyEdit

For Company history, see International Harvester.

The McCormick-Deering T-20 replaced the 10-20 TracTracTor. The first 50 copies built in 1931 were sold as the Model 15 TracTracTor. The T-20 was designed from scratch as a crawler, not as a wheel tractor conversion like the 10-20. The "camel hump" steering clutch housings were gone because new internal clutches were reached through access plates in the rear of the tractor, below the seat back. The T-20 used the same 221 ci 4-cylinder kerosene engine as the Farmall Regular but speeded up slightly to 1,250 rpm. The T-20 was directly competitive in weight, engine size and rpms, power, and price with the Caterpillar Fifteen (Series PV) and Cletrac 15.

Timeline Edit

Factory locations Edit

Tractor Works, Chicago, Illinois

Specification Edit

See Infobox for basic details

Variations and Options Edit

  • Wide-tread version
  • Rubber track shoes
  • Orchard seat
  • Orchard fenders
  • Belt pulley
  • Pto
  • Electric lights and starting

Serial Numbers Information Edit

Year Serial no. run
start[1]
Serial no. run
End[1]
Number Built[2] Notes
1932 ST551 2052 1502
1933 2053 2527 475
1934 2528 3275 746
1935 3276 5386 2108
1936 5387 8500 3114
1937 8501 12517 4018
1938 12518 14549 2036
1939 14550 15699 1033
Total built 15032

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

  • 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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