Caterpillar D6R Series II Engine
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| Engine Detail | |
| Caterpillar C9 | |
| turbocharged aftercooled diesel | |
| 6-cylinder | |
| liquid-cooled inline | |
| The D6R Series II was rated at 185 net HP with XL, XW, or LGP undercarriage. | |
| Displacement | 537 ci 8.8 L |
| Bore/Stroke | 4.41x5.87 inches 112 x 149 mm |
| Power (net) | 165 hp 123.0 kW |
| Power (gross) | 189 hp 140.9 kW |
| Fuel system | direct injection |
| Rated RPM | 2000 |
| Starter | electric |
| Starter volts | 24 |
| Oil capacity | 29.6 qts 28.0 L |
| Coolant capacity | 81.2 qts 76.8 L |
| Caterpillar D6R Engine | |
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| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on February 24, 2022 |