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McCormick-Deering WD-6

McCormick-Deering WD-6 tractor
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The McCormick-Deering WD-6 is a standard-tread farm tractor produced from 1940 to 1952 by McCormick-Deering, a part of International Harvester. It was built in Rock Island, Illinois, USA. The WD-6 features a 4.1L 4-cylinder diesel engine, a 5-speed gear transmission, and two-wheel drive with manual steering. It has an open operator station and a rear PTO with a 540 rpm type. The tractor's power ranges from 31.4 hp drawbar (claimed) to 36.4 hp belt (claimed). Dimensions include a 76-inch wheelbase, 124.4-inch length, and a shipping weight of 4350 lbs. Variants include the industrial ID-6, row-crop MD, and gasoline engine W-6. The WD-6 was succeeded by the Super WD-6 model produced from 1952 to 1954.
McCormick-Deering WD-6tractorfarm tractordiesel engine4-cylinder5-speed transmissionpowerdimensionsPTOInternational Harvester
Power40 hp[B]
Founded1940 - 1952
ModelWD-6

Technical Specifications

Detailed specifications and technical data for McCormick-Deering WD-6

Power

Belt (tested):34.75 hp (25.9 kW)
Belt (claimed):36.4 hp (27.1 kW)
Drawbar (tested):31.02 hp (23.1 kW)
Drawbar (claimed):31.4 hp (23.4 kW)

Tires

Ag rear:42-10 (steel)
Ag front:22.50-4 (steel)
Ag rear alternate:13.5x24
Ag front alternate:6.50x16

Engine

Type:diesel
Cooling:liquid-cooled vertical I-head
Aux. fuel:0.88 gal (3.3 L)
Cylinders:4-cylinder
Fuel tank:21 gal (79.5 L)
Rated RPM:1450
Bore/Stroke:3.875x5.25 inches (98 x 133 mm)
Compression:14.2:1
Displacement:247.7 ci (4.1 L)
Firing order:1-3-4-2
Manufacturer:International Harvester
Coolant capacity:27 qts (25.6 L)

Variants

MD:row-crop
W-6:gasoline engine
ID-6:industrial

Dimensions

Width:63 inches (160 cm)
Height:90 inches (228 cm)
Length:124.4 inches (315 cm)
Wheelbase:76 inches (193 cm)
Rear tread:53 inches (134 cm)
Front tread:46.75 inches (118 cm)
Height (hood):59 inches (149 cm)
Shipping weight:4350 lbs (1973 kg)

Mechanical

Drive:Two-wheel drive
Steering:Manual steering
Operator station:Open operator station

Production

Type:Standard-tread tractor
Built in:Rock Island, Illinois, USA
Years made:1940 - 1952

Belt Pulley

RPM:899
Speed:2588 ft/min (788.82 meters/min)
Width:7.5 inches (19 cm)
Diameter:11 inches (27 cm)

Transmission

Type:gear
Gears:5 forward and 1 reverse
Clutch:279.4mm mechanical dry disc

WD-6 Serial Numbers

1940:WDBK 516
1941:WDBK 1225
1942:WDBK 3718
1943:----
1944:WDBK 6371
1945:WDBK 9509
1946:WDBK 14019
1947:WDBK 16811
1948:WDBK 24020
1949:WDBK 28906
1950:WDBK 35566
1951:WDBK 39443
1952:WDBK 45175
Location:Serial number plate located on the clutch housing.

Power Take-off (PTO)

Rear PTO:transmission
Rear PTO Type:540

Related Models

McCormick-Deering Super WD-6

Model:Super WD-6