McCormick-Deering W-40


McCormick-Deering W-40 tractor photo
1935 - 1940
Standard-tread tractor
Series map:
W-30
W-40
27.8hp*
50.0hp*
*Estimated engine power for comparison only.
Production
ManufacturerMcCormick-Deering (a part of International Harvester)
Standard-tread tractor
Built in Milwaukee, Wisconsin, USA
The W-40 paint color changed from grey to red on November 1, 1936.
Variants
WA-40279ci gasoline
W-40298ci gasoline
WK-40298ci kerosene
WD-40diesel
McCormick-Deering W-40 Engines
International Harvester 4.9L 6-cyl gasoline
International Harvester 4.9L 6-cyl kerosene
International Harvester 4.0L 6-cyl gasoline
Fuel tank31 gal
117.3 L
Aux. fuel1.25 gal
4.7 L
Engine details ...
McCormick-Deering W-40 Transmissions
3-speed unsynchronized gear
4-speed unsynchronized gear
Transmission details ...
McCormick-Deering W-40 Power
Drawbar (claimed)28 hp
20.9 kW
Belt (claimed)45 hp
33.6 kW
Drawbar (tested)35.22 hp
26.3 kW
Belt (tested)49.76 hp
37.1 kW
Performance test details ...
Mechanical
Two-wheel drive
Final drivesbull gear
Manual steering
Open operator station.
Power Take-off (PTO)
Rear PTO Type553
Dimensions & Tires
Wheelbase85 inches
215 cm
Weight6100 lbs
2766 kg
Front tire34x6
Rear tire50x12
Full dimensions and tires ...
W-40 Serial Numbers
1935501
19361441
19375120
19387665
19399756
194010323

FAQ: How to read a serial number table.
Belt Pulley
Diameter15.7 inches
39 cm
Width9 inches
22 cm
RPM645
Speed2647 ft/min
806.81 meters/min
References
W-40 references literature
Instruction Book Model W-40 (5097) published in 1937
Page information
Peter Easterlund - owner of TractorData.com
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Updated on October 3, 2023
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