The John Deere 7800 is a 2WD or 4WD row-crop tractor from the 7000 series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1992 to 1996. The John Deere 7800 is equipped with a 7.6 L (466.0 cu·in) six-cylinder diesel engine and one of two transmissions: a partial power shift transmission with 16 forward and 12 reverse gears or a full power shift transmission with 19 forward and 7 reverse gears.
The JD 7800 row-crop tractor used the John Deere diesel engine. It is a 7.6 L, 7,636 cm2, (466.0 cu·in) six-cylinder turbocharged diesel engine with 116.0 mm (4.57 in) of the cylinder bore and 121.0 mm (4.76 in) of the piston stroke. The compression ratio rating is 15.5:1. This engine produced 172.4 PS (126.8 kW; 170.0 HP) at 2,100 rpm of output power.
The John Deere 7800 is equipped with power steering, differential hydraulic wet disc brakes, ComfortGard cab standard with air-conditioning, and 345 liters (91.1 US gal.; 75.9 Imp. gal) fuel tank.
Following attachments are available for the John Deere 7800 row-crop tractor:
- John Deere 725 loader
- John Deere 740 loader
John Deere 7800 Specifications
| General Specifications | |
| Model | John Deere 7800 |
| Length | 4,750 mm (187 in) |
| Width | – |
| Height (cab) | 3,000 mm (118.1 in) |
| Wheel base | 2WD: 2,900 mm (114.2 in) 4WD: 2,790 mm (109.8 in) |
| Weight (shipping) | 6,309 kg (13,909 lbs) |
| Fuel tank capacity | 345 liters (91.1 US gal.; 75.9 Imp. gal) |
| Battery | 12V |
| Cabin type | ComfortGard cab standard with air-conditioning |
| Engine | |
| Engine model | John Deere |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 6 |
| Fuel type | Diesel |
| Displacement | 7.6 L, 7,636 cm2, (466.0 cu·in) |
| Bore and stroke | 116.0 mm X 121.0 mm (4.57 in X 4.76 in) |
| Compression ratio | 15.5:1 |
| Horsepower | 172.4 PS (126.8 kW; 170 HP) at 2,100 rpm |
| Starter | Electric |
| Coolant capacity: | 26.0 L (27.5 US. qt, 22.9 Imp. qt.) |
| Transmission and chassis | |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Steering type | Power |
| Brakes | Differential hydraulic wet disc |
| Final drive | Inboard planetary |
| Differential lock | Electro-hydraulic rear |
| Transmission model | John Deere PowrQuad |
| Transmission type | Partial power shift with wet disc clutch |
| Gears | 16 forward and 12 reverse |
| Transmission model | John Deere PowerShift |
| Transmission type | Full power shift with wet disc clutch |
| Gears | 19 forward and 7 reverse |
| Speed | Forward: 39.0 kmh (24.2 mph) Reverse: 16.3 kmh (10.1 mph) |
| Tires | |
| Front tires | Ag: – |
| Rear tires | Ag: – |
| Three-Point Hitch | |
| Category | IIIN/II |
| Control type | Position and draft control |
| Lift capacity (at ends) | Standard: 4,050 kg (8,930 lbs) Optional: 4,560 kg (10,050 lbs) |
| PTO (Power take-off shaft) | |
| Rear PTO type | Independent |
| Rear PTO speed | 540/1000 rpm |
| Hydraulic system | |
| Hydraulic type | Closed center |
| Hydraulic capacity | 86.7 L (22.9 US. gal, 19.1 Imp. gal.) |
| Pressure | 2900 psi (199.9 bar) |
| Valves | 2 to 3 |
| Pump flow | 25.4 gpm (96.1 lpm) |
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