John Deere 9RX 770 Engine
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| Engine Detail | |
| John Deere JD18X | |
| turbocharged aftercooled diesel | |
| 6-cylinder 24-valve | |
| liquid-cooled inline | |
| Displacement | 1098 ci 18.0 L |
| Bore/Stroke | 5.82x6.85 inches 148 x 174 mm |
| Emissions | Tier IV |
| Rated Power (net) | 739 hp 551.1 kW |
| Rated Power (gross) | 770 hp 574.2 kW |
| Maximum Power (net) | 813 hp 606.3 kW |
| Maximum Power (gross) | 847 hp 631.6 kW |
| Compression | 16.1:1 |
| Rated RPM | 1900 |
| Torque | 2897 lb-ft 3928.3 Nm |
| Torque RPM | 1400 |
| Starter | electric |
| Starter volts | 12 |
| Oil capacity | 75.6 qts 71.5 L |
| Oil change | 500 h |
| Coolant capacity | 123.6 qts 117.0 L |
| John Deere 9RX 770 Engine | |
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| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on February 22, 2026 |