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McCormick-Deering W-40 vs McCormick-Deering WD-40
Verdict: McCormick-Deering W-40 vs McCormick-Deering WD-40
The McCormick-Deering W-40 and the McCormick-Deering WD-40 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 28 hp. McCormick-Deering W-40 is the lighter machine (2,766 kg vs 3,424 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
McCormick-Deering
62
Fit score
Best match
Clear
McCormick-Deering
62
Fit score
Best match
Clear
Rated power
28 hp
28 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
McCormick-Deering (a part of International Harvester)Reference
McCormick-Deering (a part of International Harvester)Reference
High-speed fourth gear was only for tractors with rubber tires.Reference
Gear 1 used for pull test.Reference
Final drives
bull gearReference
spur gearReference
Variants
WA-40
279ci gasolineReference
gasolineReference
W-40
298ci gasolineReference
—
WK-40
298ci keroseneReference
keroseneReference
WD-40
dieselReference
dieselReference
Engine
Fuel tank
117.3 LReference
117.3 LReference
Aux. fuel
4.7 LReference
4.7 LReference
Drawbar (claimed)
20.9 kWReference
20.9 kWReference
Belt (claimed)
33.6 kWReference
32.8 kWReference
Drawbar (tested)
26.3 kWReference
27.7 kWReference
Belt (tested)
37.1 kWReference
36.4 kWReference
Displacement
4.0 LReference
7.6 LReference
Bore/Stroke
86 x 114 mmReference
121 x 165 mmReference
Rated RPM
1750Reference
1100Reference
Oil capacity
8.5 LReference
—
Coolant capacity
45.4 LReference
53.0 LReference
Air cleaner
oil bathReference
oil bathReference
Belt power (max)
37.1 kWReference
36.4 kWReference
Max power
26.3 kWReference
27.7 kWReference
Plows
—
4 (14-inch)Reference
Compression
—
17:1Reference
Starter type
—
hand-cranked gasoline-ignitionReference
Transmission
Type
unsynchronized gearReference
gearReference
Gears
4 forward and 1 reverseReference
3 forward and 1 reverseReference
Clutch
dry discReference
dry discReference
PTO & Hydraulics
Rear PTO Type
553Reference
—
Dimensions
Wheelbase
215 cmReference
—
Weight
2766 kgReference
3424 kgReference
Front tire
34x6Reference
34x6Reference
Rear tire
50x12Reference
50x12Reference
Ag front
34x6 (steel)Reference
34x6 steelReference
Ag rear
50x12 (steel)Reference
50x12 steelReference
Length
359 cmReference
359 cmReference
Height (exhaust)
185 cmReference
—
Front tread
132 cmReference
—
Rear tread
134 cmReference
—
Height
—
170 cmReference
W-40 Serial Numbers
1935
501Reference
—
1936
1441Reference
—
1937
5120Reference
—
1938
7665Reference
—
1939
9756Reference
—
1940
10323Reference
—
Capacities
Diameter
39 cmReference
42 cmReference
Width
167 cmReference
166 cmReference
RPM
645Reference
588Reference
Speed
806.81 meters/minReference
786.38 meters/minReference
Test results
Belt fuel use (max)
21.2 l/hourReference
12.9 l/hourReference
Max pull
2259 kgReference
2165 kgReference
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.