Tractors > John Deere > 4640

John Deere 4640 Engine



John Deere 4640 tractor photo
1978 - 1982
Iron Horses Series
Row-Crop tractor
Series map:
4440
4640
4840
144.4hp*
172.2hp*
200.0hp*
*Estimated engine power for comparison only.
Engine Detail
John Deere
turbocharged intercooled diesel
6-cylinder
liquid-cooled
Displacement466 ci
7.6 L
Bore/Stroke4.5625x4.75 inches
116 x 121 mm
Pre-heatingether
Compression15.5:1
Rated RPM2200
Idle RPM800-2400
Operating RPM1500-2200
Firing order1-5-3-6-2-4
Starter volts12
Oil capacity20 qts
18.9 L
Coolant capacity38 qts
36.0 L
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on January 25, 2024
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