John Deere 8R 440 Engine
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| Engine Detail | |
| John Deere JD14 | |
| turbocharged aftercooled diesel | |
| 6-cylinder 24-valve | |
| liquid-cooled inline | |
| Displacement | 826.9 ci 13.6 L |
| Bore/Stroke | 5.20x6.50 inches 132 x 165 mm |
| Rated Power (gross) | 434 hp 323.6 kW |
| Maximum Power (gross) | 477 hp 355.7 kW |
| Boost Power | 517 hp 385.5 kW |
| Rated RPM | 1900 |
| Torque | 1620 lb-ft 2196.7 Nm |
| Starter | electric |
| Starter volts | 12 |
| Page information | |
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| Email: Peter@TractorData.com | |
| Updated on March 1, 2026 |