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McCormick-Deering 10-20

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McCormick-Deering 10-20 1934
McCormick-Deering 10-20 from 1934 at Tulare, California antique tractor show in 2004
Model history
Model introduced 1923
Model discontinued 1939
Model status Discontinued Discontinued
No. produced 215,551
Preceded by International 8-16
Superseded by McCormick-Deering W-30
Engine Specification
Engine make International
Fuel type kerosene
Power hp 25 belt, 20 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 2-WD
Linkage Category Unknown
Tyre Sizes (std/options)
Front 7.50-16
Rear 11.25-24
Tractor Dimensions
Length (inches/metres) 123 in
Width (inches/meters) 60 in
Height (inches/meters) 62 in
Weight (nominal) lb/kg 3925 lb
Turning circle (nominal) inches/meters 30 ft
Wheelbase 78 in
Other info
Factories Tractor Works, Chicago, Illinois, USA
Plow rating 2
Nebraska Tests No. 142
Approximate Cost new in (year) $875 (1935)
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The McCormick-Deering 10-20 was built by International Harvester from 1923 to 1939 in the Chicago, Illinois, USA Tractor Works factory.

Model HistoryEdit

The 10-20 looked much like the McCormick-Deering 15-30 but was considerably smaller. With its 2-plow rating it replaced the International 8-16. The engine was a 284ci ohv 4-cylinder governed at 1,000 rpm, coupled to a 3-speed transmission. In 1928 the 10-20 was given slightly more power by increasing the governed rpm to 1,025.

The 1918 Fordson turned the tractor world upside down with its front-radiator automotive styling, unit construction, light weight, 251 ci 4-cylinder engine, 3-speed transmission, and mass-production methods to keep the price down. Also in 1918 International Harvester brought out the sloped-hood International 8-16, with the same size engine as the Fordson and a 3-speed transmission, but it was quite a bit heavier and with a higher initial price of $1,150. The International didn’t sell nearly as well as the Fordson despite price cuts to make it more competitive. International’s real Fordson-fighter, introduced in 1923, was the very modern (for the day) McCormick-Deering 10-20. It was priced at $785 and was an immediate success. The 10-20 stayed in production until 1939. Sales dropped off in the later years after the company brought out the newer McCormick-Deering W-30.

SpecificationEdit

McCormick-Deering 10-20 (1923-1927)

  • Power: 25 belt, 16 drawbar hp
  • Weight: 3700 lb
  • Cylinders: 4
  • Displacement: 284 ci
  • RPM: 1000
  • Speeds: 3
  • Wheels:
    • Front: steel 30"x4.5"
    • Rear: steel 42"x12"
  • Plow Rating: 2

McCormick-Deering 10-20 (1928-1938)

  • Power: 25 belt, 20 drawbar hp
  • Weight: 3925 lb
  • Cylinders: 4
  • Displacement: 284 ci
  • RPM: 1025
  • Speeds: 3
  • Wheels:
    • Front: steel 30"x4.5" (6.00-16 or 6.50-16 rubber optional in 1934, 6.00-20 by 1939)
    • Rear: steel 42"x12" (11.25-24 rubber optional in 1934, 11.25-28 or 12.75-24 by 1939)
  • Plow Rating: 2

Serial Numbers Information Edit

Year Serial run[1] Number Built[2] Notes.
1923 KC501-7640 7117
1924 KC7641-18868 11197
1925 KC18869-37727 18436
1926 KC37728-62823 25021
1927 KC62824-89469 26646
1928 KC89470-119822 30353
1929 KC119823-159110 39433
1930 KC159111-191485 32375
1931 KC191486-203174 11689
1932 KC201013-204138 3126
1933
1934 KC204239-206178 1940
1935 KC206179-207274 1096
1936 KC207275-210234 2960
1937 KC210235-212424 2190
1938 KC212425-214885 2461
1939 KC214886-215973 1188
Total built 215,551 Includes derivative models

Preserved tractorsEdit

Add any known tractors to list below (pml table to follow)

List of Preserved McCormick-Deering 10-20 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 10-20 BRO 751 an unknown  ?  ?  ? McCormick-deering 10-20 - BRO 751 at Belvoir 08 - P5180444 At Belvoir Castle Steam Festival 2008
10-20 SV 9444 KC69414  ?  ?  ? McCormick-Deering 10-20 sn KC69414 - (SV9444) at Newark 2012 - IMG 4256 At Newark Vintage Tractor and Heritage Show 2012 Restored example
Image needed LHB


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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Create a page (link) for an individual tractor by linking the reg or serial number using reg number or serial number in the relevant column. Then once saved click the red link to start the new page and add info on that tractor.


Gallery Edit

Add extra photos here please.

See alsoEdit

ReferencesEdit

  1. Wendel, C. H. 1981. 150 Years of International Harvester, Crestline Publishing Co., Sarasota, Florida. (serial numbers p.411)
  2. Baumheckel, Ralph and Borghoff, Kent, 1997.. International Harvester Farm Equipment Product History, 1831-1985, American Society of Agricultural Engineers, St. Joseph, Michigan. (production numbers pp.395-398)

External linksEdit

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