| Engine Detail | |
| John Deere 3039T | |
| turbocharged diesel | |
| 3-cylinder | |
| liquid-cooled | |
| The John Deere 5203 was naturally-aspirated until engine serial number 106478. Engines from that point on were turbocharged. | |
| Displacement | 179 ci 2.9 L |
| Bore/Stroke | 4.19x4.33 inches 106 x 110 mm |
| Power | 56 hp 41.8 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 |
| Engine Oil | |
| |
| Oil capacity | 9 qts 8.5 L |
| Oil change | 100 h |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on March 15, 2022 |