John Deere 8850
Contents:
Production | |
| Manufacturer: | John Deere |
| Type: | Four-wheel Drive (4WD) tractor |
| Factory: | Waterloo, Iowa, USA |
| Original price: | $120,000 (1988 ) |
| The model 8850 was the largest of the four-wheel drive tractors that John Deere unveiled in 1982. Its big V-8 was a departure from John Deere's usual engine design. The 8850 had an available full-power PTO and Load-and-Depth control three-point hitch. | |
John Deere 8850 Power | |
| Engine: | 370 hp 275.9 kW |
| PTO (claimed): | 300 hp 223.7 kW |
| Drawbar (tested): | 269.77 hp 201.2 kW |
| PTO (tested): | 303.99 hp 226.7 kW |
Mechanical | |
| Chassis: | 4x4 articulated 4WD |
| Steering: | hydrostatic power |
| Brakes: | power wet disc |
| Cab: | Sound-Gard cab with air-conditioning |
| Transmission: | 16-speed partial power shift |
Capacity | |
| Fuel: | 240 gal 908.4 L |
| Hydraulic system: | 45.5 gal 172.2 L |
Hydraulics | |
| Type: | closed center constant-pressure |
| Capacity: | 45.5 gal 172.2 L |
| Valves: | 3 to 4 |
| Pump flow: | 44 gpm 166.5 lpm |
Tractor hitch | |
| Rear Type: | 4/4N |
| Control: | lower-link |
| Rear lift: | 10,250 lbs 4649 kg |
Power Take-off (PTO) | |
| Rear PTO: | independent (optional) |
| Clutch: | hydraulic wet disc |
| Rear RPM: | 1000 (1.75) |
8850 Serial Numbers | |
| Location: | Rear of tractor |
| 1982: | 2000 |
| 1983: | 4000 |
| 1984: | 5101 |
| 1985: | 6001 |
| 1986: | 6501 |
| 1987: | 7001 |
| 1988: | 7501 |
Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 110 |
| Batteries: | 3 |
| Battery CCA: | 625 |
| Battery volts: | 12 |
Engine Detail | |
| John Deere | |
| intercooled turbocharged diesel | |
| 8-cylinder | |
| liquid-cooled V8 | |
| Displacement: | 955 ci 15.7 L |
| Bore/Stroke: | 5.51x5.00 inches 140 x 127 mm |
| Power: | 370 hp 275.9 kW |
| Compression: | 15.5:1 |
| Rated RPM: | 2100 |
| Starter volts: | 12 |
| Oil capacity: | 51 qts 48.3 L |
| Coolant capacity: | 78 qts 73.8 L |
Transmission | |
| Transmission: | Quad-Range |
| Type: | partial power shift |
| Gears: | 16 forward and 6 reverse |
| Clutch: | Perma-Clutch hydraulic wet discs |
| Oil capacity: | 182 qts 172.2 L |
| Tractor must be stopped to select one of four ranges. Clutchless power shift between speeds 1-2 and 3-4 in range. A synchronized shift (using clutch) can be made between 2 and 3 in range. | |
Dimensions | |
| Wheelbase: | 133 inches 337 cm |
| Length: | 257.8 inches 654 cm |
| Shiping weight: | 37,480 lbs 17000 kg |
| Operating weight: | 37,700 lbs 17100 kg |
| Front axle: | 4.331 by 127.5 inches 110 by 3238 mm |
| Rear axle: | 4.331 by 127.5 inches 110 by 3238 mm |
