john deere 5103

2003 - 2008
5003 Series
Utility tractor

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.
Displacement	179 ci 2.9 L
Bore/Stroke	4.19x4.33 inches 106 x 110 mm
Power	50 hp 37.3 kW
Air cleaner	dry
Compression	17.8:1
Rated RPM	2400
Idle RPM	800-2650
Operating RPM	1400-2400
Firing order	1-2-3
Starter volts	12
Coolant capacity	10 qts 9.5 L
Coolant change	2000 h
Intake valve clearance	0.014 inches 0.356 mm
Exhaust valve clearance	0.018 inches 0.457 mm