John Deereharvester, ensilage and forage (self-propelled)(no series)
John Deere 7800 - HARVESTER, ENSILAGE AND FORAGE (SELF-PROPEL
Specifications · OEM parts breakdown
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John Deere 7800 - HARVESTER, ENSILAGE AND FORAGE (SELF-PROPEL specifications
Engine
| Cylinders | 6 |
| Displacement | 7636 cc (466.0 cu in) |
| Bore | 11.61 cm (4.57 in.) |
| Stroke | 12.09 cm (4.76 in.) |
| Rated RPM | 2100 RPM |
| Compression Ratio | 15.5:1 |
Dimensions
| Length | 475.0 cm (187.0 in.) |
Performance
| Gears | 19 forward and 7 reverse |
| Rear PTO Speed | 540/1000 RPM |
Service capacities (summary)
| Fuel Tank Capacity | 345.0 l (91.1 gal) |
| Coolant Capacity | 26.0 l (6.9 gal) |
| Hydraulic Capacity | 86.7 l (22.9 gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
7800 - HARVESTER, ENSILAGE AND FORAGE (SELF-PROPEL common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| AH77869 | Clamp | Fuel system service | Check fitment → |
| 19M7811 | Bolt | Fuel system service | Check fitment → |
| RE504493 | Fuel Filter | Fuel system service | Check fitment → |
| RE507284 | Fuel Filter | Fuel system service | Check fitment → |
| PMFS1007 | Fuel Filter | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
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