Deere 4850
Type: Row-crop Tractors
Contents:
Production | |
| Manufacturer: | John Deere |
| Type: | Row-Crop tractor |
| Factory: | Waterloo, Iowa, USA |
| Original price: | $71,000 (1988 ) |
John Deere 4850 Power | |
| Drawbar (claimed): | 162 hp 120.8 kW |
| PTO (claimed): | 190 hp 141.7 kW |
| Drawbar (tested): | 164.73 hp 122.8 kW |
| PTO (tested): | 192.99 hp 143.9 kW |
Mechanical | |
| Chassis: | 4x2 2WD |
| 4x4 MFWD 4WD | |
| Final drives: | inboard planetary |
| Differential lock: | hydraulic rear |
| Steering: | power |
| Brakes: | hydraulic wet disc |
| Cab: | Sound-Gard cab standard. Optional four-post Roll-Gard ROPS. |
| Transmission: | 15-speed full power shift |
Capacity | |
| Fuel: | 102 gal 386.1 L |
| Hydraulic system: | 18.6 gal 70.4 L (2WD) |
| 21.6 gal 81.8 L (4WD) | |
Hydraulics | |
| Type: | closed center |
| Capacity: | 18.6 gal 70.4 L (2WD) |
| 21.6 gal 81.8 L (4WD) | |
| Pressure: | 2277 psi 157.0 bar |
| Valves: | 2 or 3 |
| Pump flow: | 29.5 gpm 111.7 lpm |
Tractor hitch | |
| Rear Type: | III |
| Control: | lower-link draft sensing |
| Rear lift: | 9,599 lbs 4354 kg |
Power Take-off (PTO) | |
| Rear PTO: | independent |
| Clutch: | hydraulic wet disc |
| Rear RPM: | 1000 |
| Engine RPM: | 1000@2200 |
4850 Serial Numbers | |
| Location: | Serial number plate on rear of tractor. |
| 1983: | 1000 |
| 1984: | 5001 |
| 1985: | 8001 |
| 1986: | 10001 |
| 1987: | 11001 |
| 1988: | 12001 |
| 1989: | 14501 |
Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 90 |
| Batteries: | 2 |
| Battery volts: | 6 |
| 12*Optional | |
Engine Detail | |
| John Deere | |
| intercooled turbocharged diesel | |
| 6-cylinder | |
| liquid-cooled | |
| Displacement: | 466 ci 7.6 L |
| Bore/Stroke: | 4.56x4.75 inches 116 x 121 mm |
| Air cleaner: | dry |
| Compression: | 15:1 |
| Rated RPM: | 2200 |
| Firing order: | 1-5-3-6-2-4 |
| Starter volts: | 12 |
| Oil capacity: | 21 qts 19.9 L |
| Coolant capacity: | 32 qts 30.3 L |
Transmission | |
| Transmission: | John Deere Power Shift |
| Type: | full power shift |
| Gears: | 15 forward and 4 reverse |
| Clutch: | Perma-Clutch wet disc |
| Oil capacity: | 74.4 qts 70.4 L (2WD) |
| 86.4 qts 81.8 L (4WD) | |
| Full (clutchless) power shift can be made between gears, forward and reverse. | |
Dimensions | |
| Wheelbase: | 118.5 inches 300 cm (2WD) |
| 117.1 inches 297 cm (4WD) | |
| Length: | 179.7 inches 456 cm (2WD) |
| 184.8 inches 469 cm (4WD) | |
| Width: | 118 inches 299 cm (standard axle) |
| 85 inches 215 cm (optional axle) | |
| 108 inches 274 cm (optional axle) | |
| Height: | 117.8 inches 299 cm |
| Shiping weight: | 17,457 lbs 7918 kg |
| Operating weight: | 18,720 lbs 8491 kg (2WD) |
| Ground clearance: | 14.92 inches 37 cm |
| Rear axle: | Rack-and-pinion: 3.94 by 96 inches 100 by 2438 mm |
| Rear axle: | Rack-and-pinion: 3.94 by 108 inches 100 by 2743 mm |
| Rear axle: | Rack-and-pinion: 3.94 by 118 inches 100 by 2997 mm |
