Tractors > Caterpillar > D4

Caterpillar D4 Engine



Caterpillar D4 tractor photo
1938 - 1959
Model year
Agricultural Crawler tractor
Series map:
D4
44.2hp*
*Estimated engine power for comparison only.
Engine Detail
Caterpillar D4400
diesel
4-cylinder
liquid-cooled
The D4400 was used on the RD4/D4 tractors through the 5T series.
Displacement312 ci
5.1 L
Bore/Stroke4.25x5.50 inches
108 x 140 mm
Air cleaneroil bath
Compression17.3:1
Rated RPM1400
Torque421 lb-ft
570.9 Nm
Torque RPM1000
Oil capacity16 qts
15.1 L
Coolant capacity44 qts
41.6 L
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
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Updated on January 7, 2025
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