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McCormick-Deering T-35 vs McCormick-Deering WD-40

Verdict: McCormick-Deering T-35 vs McCormick-Deering WD-40

The McCormick-Deering T-35 and the McCormick-Deering WD-40 are both tractors — here is how they stack up on the figures that matter. McCormick-Deering T-35 leads on rated power with 29 hp against 28 hp. McCormick-Deering WD-40 is the lighter machine (3,424 kg vs 4,558 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. McCormick-Deering T-35 holds more fuel (151.4 L vs 117.3 L) for longer stints between fills. McCormick-Deering T-35 is the newer design (1937 vs 1935). In short: choose the McCormick-Deering T-35 for outright pulling power, or the McCormick-Deering WD-40 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 T-35 Tractor
McCormick-Deering
62
Fit score
Best match
Clear
McCormick-Deering WD-40 Tractor
McCormick-Deering
62
Fit score
Best match
Clear
Rated power
29 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
Gasoline May 1937Reference
Gear 1 used for pull test.Reference
Total built
5,586Reference
Drive
crawlerReference
Final drives
spur gearReference
Variants
T-35
gasolineReference
TD-35
dieselReference
WA-40
gasolineReference
WK-40
keroseneReference
WD-40
dieselReference
Engine
Fuel tank
151.4 LReference
117.3 LReference
Aux. fuel
4.7 LReference
4.7 LReference
Drawbar (claimed)
21.6 kWReference
20.9 kWReference
Belt (claimed)
29.1 kWReference
32.8 kWReference
Drawbar (tested)
26.8 kWReference
27.7 kWReference
Belt (tested)
33.1 kWReference
36.4 kWReference
Displacement
4.6 LReference
7.6 LReference
Bore/Stroke
92 x 114 mmReference
121 x 165 mmReference
Rated RPM
1750Reference
1100Reference
Coolant capacity
45.4 LReference
53.0 LReference
Belt power (max)
33.1 kWReference
36.4 kWReference
Max power
26.8 kWReference
27.7 kWReference
Plows
4 (14-inch)Reference
Air cleaner
oil bathReference
Compression
17:1Reference
Starter type
hand-cranked gasoline-ignitionReference
Transmission
Type
gearReference
gearReference
Gears
4 forward and 1 reverseReference
3 forward and 1 reverseReference
Clutch
dry discReference
Dimensions
Weight
4558 kgReference
3424 kgReference
Front tire
34x6Reference
Rear tire
50x12Reference
Ag front
34x6 steelReference
Ag rear
50x12 steelReference
Length
359 cmReference
Height
170 cmReference
T-35 Serial Numbers
Location:
Seat, right sideReference
McCormick-Deering T-35 Tracks
Width
33 cmReference
166 cmReference
Test results
Belt fuel use (max)
12.9 l/hourReference
Max pull
2165 kgReference
Capacities
Diameter
42 cmReference
RPM
588Reference
Speed
786.38 meters/minReference

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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