Search
McCormick-Deering 10-20 vs McCormick-Deering OS-6
Verdict: McCormick-Deering 10-20 vs McCormick-Deering OS-6
The McCormick-Deering 10-20 and the McCormick-Deering OS-6 are both tractors — here is how they stack up on the figures that matter. McCormick-Deering OS-6 is the newer design (1944 vs 1923). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
Tune the fit score
Tell us about your operation
Fit & specs
McCormick-Deering
62
Fit score
Clear
McCormick-Deering
79
Fit score
Best match
Clear
Rated power
10 hp
null hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
McCormick-Deering (a part of International Harvester)Reference
McCormick-DeeringReference
Kerosene 3-speed 2WDOctober 3 - 8, 1927Link: Nebraska Tractor Test 142 fileReference
liquid-cooledReference
Engine
Fuel tank
54.9 LReference
—
Aux. fuel
2.8 LReference
—
Drawbar (claimed)
7.5 kWReference
—
Belt (claimed)
14.9 kWReference
—
Drawbar (tested)
14.6 kWReference
—
Belt (tested)
18.5 kWReference
—
Displacement
4.6 LReference
4.1 LReference
Bore/Stroke
108 x 127 mmReference
98 x 133 mmReference
Rated RPM
1000Reference
—
Coolant capacity
34.1 LReference
—
Belt power (max)
18.5 kWReference
—
Max power
14.6 kWReference
—
Compression
—
4.5:1 (kerosene)Reference
Transmission
Type
unsynchronized gearReference
gearReference
Gears
3 forward and 1 reverseReference
5 forward and 1 reverseReference
Clutch
dry discReference
—
Dimensions
Weight
1678 kgReference
—
Front tire
30x4.50Reference
—
Rear tire
42x12Reference
—
Ag front
30x4.50 stelReference
—
Ag rear
42x12 steelReference
—
Length
312 cmReference
—
Height
157 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
—
1932
KC201013Reference
—
1933
-----Reference
—
1934
KC204239Reference
—
1935
KC206179Reference
—
1936
KC207275Reference
—
1937
KC210235Reference
—
1938
KC212425Reference
—
1939
KC214886Reference
—
Capacities
Diameter
38 cmReference
—
Width
152 cmReference
—
RPM
661Reference
—
Test results
Belt fuel use (max)
10.2 l/hourReference
—
Max pull
1340 kgReference
—
Variants
W-6
—
standardReference
O-6
—
orchardReference
OS-6
—
orchard without full sheet metalReference
ODS-6
—
diesel OS-6Reference
I-6
—
industrialReference
ID-6
—
diesel industrialReference
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.