McCormick-Deering WD-40: all source data

All 43 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
ManufacturerMcCormick-Deering (a part of International Harvester)
(no label)Standard-tread tractor
(no label)Built in Milwaukee, Wisconsin, USA
Engine
(no label)International Harvester 7.6L 4-cyl diesel
Fuel tank31 gal | 117.3 L
Aux. fuel1.25 gal | 4.7 L
Transmission
(no label)3-speed gear
Power
Drawbar (claimed)28 hp | 20.9 kW
Belt (claimed)44 hp | 32.8 kW
Plows4 (14-inch)
Drawbar (tested)37.21 hp | 27.7 kW
Belt (tested)48.79 hp | 36.4 kW
Mechanical
(no label)Two-wheel drive
Final drivesspur gear
(no label)Manual steering
(no label)Open operator station
Dimensions
Weight7,550 lbs | 3424 kg
Front tire34x6
Rear tire50x12
Belt pulley
Diameter16.75 inches | 42 cm
Width9 inches | 22 cm
RPM588
Speed2580 ft/min | 786.38 meters/min

Engine

Engine detail
(no label)International Harvester
(no label)diesel
(no label)4-cylinder 8 ((The WD-40 engine has twelve total valves. The four intake valves on the gasoline start manifold are blocked off during diesel operation.))-valve
(no label)liquid-cooled vertical I-head
Displacement460.7 ci | 7.6 L
Bore/Stroke4.75x6.50 inches | 121 x 165 mm
Air cleaneroil bath
Compression17:1
Rated RPM1100
Starter typehand-cranked gasoline-ignition
Coolant capacity (Coolant)56 qts | 53.0 L

Transmission

Transmission
Typegear
Gears3 forward and 1 reverse
Clutchdry disc

Dimensions

Tires
Ag front34x6 steel
Ag rear50x12 steel
Dimensions
Length141.5 inches | 359 cm
Width65.5 inches | 166 cm
Height67 inches | 170 cm
Weight7,550 lbs | 3424 kg