Tractors > John Deere > 4040

John Deere 4040 Engine



John Deere 4040 tractor photo
1978 - 1982
Iron Horses Series
Row-Crop tractor
Series map:
4040
4240
100.0hp*
122.2hp*
*Estimated engine power for comparison only.
Engine Detail
John Deere
diesel
6-cylinder
liquid-cooled
Displacement404 ci
6.6 L
Bore/Stroke4.25x4.75 inches
108 x 121 mm
Pre-heatingether injection
Compression16.7:1
Rated RPM2200
Idle RPM800-2400
Operating RPM1500-2200
Firing order1-5-3-6-2-4
Starter volts12
Oil capacity17 qts
16.1 L
Coolant capacity24 qts
22.7 L
Page information
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Updated on March 31, 2022
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