John Deere 8420 Engine
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| Engine Detail | |
| John Deere | |
| turbocharged diesel | |
| 6-cylinder | |
| liquid-cooled inline | |
| Displacement | 496 ci 8.1 L |
| Bore/Stroke | 4.56x5.06 inches 116 x 129 mm |
| Emissions | Tier II |
| Rated Power (net) | 270 hp 201.3 kW |
| Rated Power (gross) | 284 hp 211.8 kW |
| Maximum Power (net) | 300 hp 223.7 kW |
| Maximum Power (gross) | 314 hp 234.1 kW |
| Fuel system | electronic high-pressure common rail (HPCR) |
| Air cleaner | dry with secondary element |
| Compression | 16.5:1 |
| Rated RPM | 2200 |
| Idle RPM | 900-2300 |
| Operating RPM | 1500-2200 |
| Starter volts | 12 |
| Coolant capacity | 35.9 qts 34.0 L |
| Engine Oil | |
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| Oil capacity | 28.5 qts 27.0 L |
| Oil change | 250 h |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on May 27, 2015 |