Ford 6640 Engine


Ford 6640 tractor photo
1991 - 1995
PowerStar 40 Series
Utility tractor
Series map:
5640
6640
7740
78.7hp
90.7hp
100.3hp
Engine Detail
Ford Genesis
diesel
4-cylinder 8-valve
liquid-cooled
Displacement304 ci
5.0 L
Bore/Stroke4.40x5.00 inches
112 x 127 mm
Power (net)85 hp
63.4 kW
Power (gross)90.7 hp
67.6 kW
Air cleanerdual paper elements
Compression17.5:1
Rated RPM2200
Idle RPM725-2375
Torque337 lb-ft
457.0 Nm
Torque RPM1200
Firing order1-3-4-2
Starter volts12
Coolant capacity15.3 qts
14.5 L
 16.9 qts*With cab
16.0 L
Intake valve clearance0.016 inches (cold)
0.406 mm
Exhaust valve clearance0.019 inches (cold)
0.483 mm
Engine Oil
6640 diesel engine oil chart
Oil capacity12.1 qts
11.5 L
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on June 2, 2023
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