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Years in Production / 1940–1952

McCormick-Deering

WD-6

Explore the specifications, hardware, and original references for the McCormick-Deering WD-6.

Generic tractor; no model photo available
No photo

40hp

Engine estimate · from belt

2WD Only

Drive

1940–1952

Production years

McCormick-Deering

Manufacturer

WD-6 / 01

At a glance

Production

Standard-tread tractor

Built in Rock Island, Illinois, USA

Manufacturer
McCormick-Deering (a part of International Harvester)

Pto

Rear Pto
transmission
Rear Type
540

Belt Pulley

Diameter
11 inches27 cm
Width
7.5 inches19 cm
Rpm
899
Speed
2588 ft/min788.82 meters/min

Mechanical

Two-wheel drive

Manual steering

Open operator station.

WD-6 / 02

Under the hood

Engine Detail

International Harvester

diesel

4-cylinder

liquid-cooled vertical I-head

Displacement
247.7 ci4.1 L
Bore Stroke
3.875x5.25 inches98 x 133 mm
Compression Ratio
14.2:1
Rated Rpm
1450
Firing Order
1-3-4-2
Coolant Capacity
27 qts25.6 L
Fuel Type
diesel
Cylinders
4
Cooling
liquid-cooled vertical I-head

Engine Options

International Harvester 4.1L 4-cyl diesel

Fuel Tank
21 gal79.5 L
Aux Fuel
0.88 gal3.3 L

WD-6 / 03

Gears & controls

Transmission

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

WD-6 / 04

Size. Stance. Footprint.

Dimensions

Length
124.4 in315 cm
Width
63 in160 cm
Height
90 in228 cm
Wheelbase
76 in193 cm
Front tread
46.75 in118 cm
Rear tread
53 in134 cm

Dimensions And Tires

Wheelbase
76 inches193 cm
Weight
4350 lbs1973 kg
Front Tire
22.50-4
Rear Tire
42-10

Tires And Tracks

Front Ag
22.50-4 (steel)
Front Ag
6.50x16
Rear Ag
42-10 (steel)
Rear Ag
13.5x24

WD-6 / 05

Tests (NTTL)

Nebraska Tractor Test 356

Diesel 5-speed 2WDSeptember 20 - 27, 1940

Drawbar performance

Gear 3 used for power test.

Gear 1 used for pull test.

Id
356
Belt Power Max
34.75 hp25.9 kW
Belt Fuel Use Max
2.3 gal/hour8.7 l/hour
Max Power
31.02 hp23.1 kW
Max Pull
4806 lbs2180 kg