John Deere 5103 Engine


John Deere 5103 tractor photo
2003 - 2008
5003 Series
Utility tractor
Series map:
5103
5203
50.0hp
56.0hp
Engine Detail
John Deere 3029T
turbocharged diesel
3-cylinder
liquid-cooled
The John Deere 5203 was naturally-aspirated until engine serial number 106597. Engines from that point on were turbocharged.
Displacement179 ci
2.9 L
Bore/Stroke4.19x4.33 inches
106 x 110 mm
Power50 hp
37.3 kW
Air cleanerdry
Compression17.8:1
Rated RPM2400
Idle RPM800-2650
Operating RPM1400-2400
Firing order1-2-3
Starter volts12
Coolant capacity10 qts
9.5 L
Coolant change2000 h
Intake valve clearance0.014 inches
0.356 mm
Exhaust valve clearance0.018 inches
0.457 mm
Engine Oil
5103 diesel engine oil chart
Oil capacity9 qts
8.5 L
Oil change100 h
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
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Updated on March 15, 2022
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