McCormick-Deering W-40 Engine


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.
Engine options
International Harvester 4.9L 6-cyl gasoline
International Harvester 4.9L 6-cyl kerosene
International Harvester 4.0L 6-cyl gasoline
Engine Detail
International Harvester FBB
gasoline
6-cylinder
liquid-cooled vertical I-head
Displacement298.2 ci
4.9 L
Bore/Stroke3.75x4.50 inches
95 x 114 mm
Rated RPM1750
Oil capacity9 qts
8.5 L
Coolant capacity48 qts
45.4 L
Engine Detail
International Harvester
kerosene
6-cylinder
liquid-cooled
Displacement298.2 ci
4.9 L
Bore/Stroke3.75x4.50 inches
95 x 114 mm
Air cleaneroil bath
Rated RPM1750
Engine Detail
International Harvester
gasoline
6-cylinder
liquid-cooled
The 242ci engine was used on the early production models of the WA-40 with gasoline engine. This was later replaced with the 298ci engine.
Displacement242 ci
4.0 L
Bore/Stroke3.375x4.50 inches
86 x 114 mm
Air cleaneroil bath
Rated RPM1750
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
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Updated on October 3, 2023
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