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Years in Production / 1935–1940

McCormick-Deering

WD-40

Explore the specifications, hardware, and original references for the McCormick-Deering WD-40.

McCormick Deering WD40 1039 (8167803648) — Bernard Spragg. NZ from Christchurch, New Zealand, CC0. Resized; converted to WebP. · Bernard Spragg. NZ from Christchurch, New Zealand · CC0 commons.wikimedia.org source ↗

48hp

Engine estimate · from belt

2WD Only

Drive

1935–1940

Production years

McCormick-Deering

Manufacturer

WD-40 / 01

At a glance

Production

Standard-tread tractor

Built in Milwaukee, Wisconsin, USA

Manufacturer
McCormick-Deering (a part of International Harvester)

Mechanical

Two-wheel drive

Manual steering

Open operator station

Final Drives
spur gear

Belt Pulley

Diameter
16.75 inches42 cm
Width
9 inches22 cm
Rpm
588
Speed
2580 ft/min786.38 meters/min

WD-40 / 02

Under the hood

Engine Detail

International Harvester

diesel

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

liquid-cooled vertical I-head

Displacement
460.7 ci7.6 L
Bore Stroke
4.75x6.50 inches121 x 165 mm
Air Cleaner
oil bath
Compression Ratio
17:1
Rated Rpm
1100
Starter Type
hand-cranked gasoline-ignition
Coolant Capacity
56 qts53.0 L
Fuel Type
diesel
Cylinders
4
Cooling
liquid-cooled vertical I-head

Engine Options

International Harvester 7.6L 4-cyl diesel

Fuel Tank
31 gal117.3 L
Aux Fuel
1.25 gal4.7 L

WD-40 / 03

Gears & controls

Transmission

Transmission Type
gear
Gears
3 forward and 1 reverse
Clutch
dry disc

WD-40 / 04

Size. Stance. Footprint.

Dimensions

Length
141.5 in359 cm
Width
65.5 in166 cm
Height
67 in170 cm

Dimensions And Tires

Weight
7,550 lbs3424 kg
Front Tire
34x6
Rear Tire
50x12

Tires And Tracks

Front Ag
34x6 steel
Rear Ag
50x12 steel

WD-40 / 05

Tractor Photos

McCormick Deering WD40 1039 (8167803648) — Bernard Spragg. NZ from Christchurch, New Zealand, CC0. Resized; converted to WebP. · Bernard Spragg. NZ from Christchurch, New Zealand · CC0 commons.wikimedia.org source ↗

WD-40 / 06

Tests (NTTL)

Nebraska Tractor Test 246

Diesel 3-speed 2WDSeptember 23 - 27, 1935

Drawbar performance

Gear 1 used for power test.

Gear 1 used for pull test.

Id
246
Belt Power Max
48.79 hp36.4 kW
Belt Fuel Use Max
3.4 gal/hour12.9 l/hour
Max Power
37.21 hp27.7 kW
Max Pull
4,774 lbs2165 kg

McCormick-Deering WD-40 · photo 1 / 1

McCormick Deering WD40 1039 (8167803648)

McCormick Deering WD40 1039 (8167803648) — Bernard Spragg. NZ from Christchurch, New Zealand, CC0. Resized; converted to WebP. · Bernard Spragg. NZ from Christchurch, New Zealand · CC0 commons.wikimedia.org source ↗