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McCormick-Deering 10-20 vs McCormick-Deering T-20

Verdict: McCormick-Deering 10-20 vs McCormick-Deering T-20

The McCormick-Deering 10-20 and the McCormick-Deering T-20 are both tractors — here is how they stack up on the figures that matter. McCormick-Deering T-20 leads on rated power with 18 hp against 10 hp. McCormick-Deering 10-20 is the lighter machine (1,678 kg vs 3,179 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. McCormick-Deering T-20 holds more fuel (83.3 L vs 54.9 L) for longer stints between fills. McCormick-Deering T-20 is the newer design (1931 vs 1923). In short: choose the McCormick-Deering T-20 for outright pulling power, or the McCormick-Deering 10-20 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
McCormick-Deering 10-20 Tractor
McCormick-Deering
62
Fit score
Best match
Clear
McCormick-Deering T-20 Tractor
McCormick-Deering
62
Fit score
Best match
Clear
Rated power
10 hp
18 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
McCormick-Deering (a part of International Harvester)Reference
McCormick-Deering (a part of International Harvester)Reference
Kerosene 3-speed 2WDOctober 3 - 8, 1927Link: Nebraska Tractor Test 142 fileReference
Gear 1 used for pull test.Reference
Total built
15,199Reference
Drive
crawlerReference
Steering
Dry, single plate clutch, 11-inchReference
Engine
Fuel tank
54.9 LReference
83.3 LReference
Aux. fuel
2.8 LReference
3.8 LReference
Drawbar (claimed)
7.5 kWReference
13.4 kWReference
Belt (claimed)
14.9 kWReference
18.6 kWReference
Drawbar (tested)
14.6 kWReference
17.4 kWReference
Belt (tested)
18.5 kWReference
19.8 kWReference
Displacement
4.6 LReference
3.6 LReference
Bore/Stroke
108 x 127 mmReference
95 x 127 mmReference
Rated RPM
1000Reference
1250Reference
Coolant capacity
34.1 LReference
26.5 LReference
Belt power (max)
18.5 kWReference
19.8 kWReference
Max power
14.6 kWReference
17.4 kWReference
Firing order
1-3-4-2Reference
Transmission
Type
unsynchronized gearReference
gearReference
Gears
3 forward and 1 reverseReference
3 forward and 1 reverseReference
Clutch
dry discReference
Dimensions
Weight
1678 kgReference
3179 kgReference
Front tire
30x4.50Reference
Rear tire
42x12Reference
Ag front
30x4.50 stelReference
Ag rear
42x12 steelReference
Length
312 cmReference
311 cmReference
Height
157 cmReference
140 cmReference
10-20 Serial Number Location
10-20 Serial Numbers
1923
KC501Reference
1924
KC7641Reference
1925
KC18869Reference
1926
KC37728Reference
1927
KC62824Reference
1928
KC89470Reference
1929
KC119823Reference
1930
KC159111Reference
1931
KC191486Reference
ST501Reference
1932
KC201013Reference
ST1420Reference
1933
-----Reference
ST151Reference
1934
KC204239Reference
ST2685Reference
1935
KC206179Reference
ST3586Reference
1936
KC207275Reference
ST5973Reference
1937
KC210235Reference
ST9117Reference
1938
KC212425Reference
ST13173Reference
1939
KC214886Reference
ST14636Reference
Capacities
Diameter
38 cmReference
Width
152 cmReference
139 cmReference
RPM
661Reference
Test results
Belt fuel use (max)
10.2 l/hourReference
9.8 l/hourReference
Max pull
1340 kgReference
2338 kgReference
T-20 Serial Numbers
Location:
Seat, right sideReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.

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