John Deere 4030 Engine
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| Engine options | |
| John Deere 5.4L 6-cyl diesel | |
| John Deere 5.0L 6-cyl gasoline |
| Engine Detail | |
| John Deere | |
| diesel | |
| 6-cylinder | |
| liquid-cooled inline horizontal-shaft | |
| Displacement | 329 ci 5.4 L |
| Bore/Stroke | 4.02x4.33 inches 102 x 110 mm |
| Air cleaner | dry with secondary element |
| Pre-heating | ether injection |
| coolant heater OptOptional | |
| Compression | 16.2:1 |
| Rated RPM | 2500 |
| Idle RPM | 800-2660 |
| Operating RPM | 1500-2500 |
| Firing order | 1-5-3-6-2-4 |
| Starter | electric |
| Starter volts | 12 |
| Oil capacity | 17 qts 16.1 L |
| Coolant capacity | 22 qts 20.8 L |
| Intake valve clearance | 0.014 inches 0.356 mm |
| Exhaust valve clearance | 0.018 inches 0.457 mm |
| Engine Detail | |
| John Deere | |
| gasoline | |
| 6-cylinder | |
| liquid-cooled inline | |
| The gasoline engine was available only during the 1973 model year on the 4030. | |
| Displacement | 303 ci 5.0 L |
| Bore/Stroke | 3.86x4.33 inches 98 x 110 mm |
| Compression | 7.6:1 |
| Rated RPM | 2500 |
| Firing order | 1-5-3-6-2-4 |
| Starter | electric |
| Starter volts | 12 |
| Oil capacity | 17 qts 16.1 L |
| Sparkplug gap | 0.025 inches 0.635 mm |
| Point gap | 0.020 inches 0.508 mm |
| Intake valve clearance | 0.014 inches 0.356 mm |
| Exhaust valve clearance | 0.022 inches 0.559 mm |
| Page information | |
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| Email: Peter@TractorData.com | |
| Updated on June 22, 2025 |