FastFix DB
Search for Workshop, Owner, Service and Parts Manuals
| info | |
| 1983 - 1988 50 Series, Row-Crop tractor | |
| Previous model: | John Deere 4840 |
| Next model: | John Deere 4955 |
| Series back: | John Deere 4650 |
| Production | |
| Manufacturer: | John Deere |
| Factory: | Waterloo, Iowa, USA |
| Original price (USD): | $71,000 (1988) |
| Capacity | |
| Fuel: | 102 gal [386.1 L] |
| Hydraulic system: | 18.6 gal [70.4 L] (2WD), 21.6 gal [81.8 L] (4WD) |
| 3-Point Hitch | |
| Rear Type: | 3/3N |
| Rear lift: | 9,599 lbs [4354 kg] |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 1000 |
| Engine RPM: | 1000@2200 |
| Dimensions & Tires | |
| Wheelbase: | 118.5 inches [300 cm] (2WD), 117.1 inches [297 cm] (4WD) |
| Weight: | 17457 to 18720 pounds |
| Front tire: | 11.00-16 |
| Rear tire: | 20.8-38 |
| 4850 Serial Numbers | |
| Location: | Serial number plate on rear of tractor. |
| 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 (optional) |
| Steering: | hydrostatic power |
| Brakes: | hydraulic wet disc |
| Cab: | Sound-Gard cab standard. Optional four-post Roll-Gard ROPS. |
| 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] |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 90 |
| Battery | |
| Number: | 2 |
| Volts: | 6, 12 (optional) |
| info | |
| 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] |
| Engine Detail | |
| John Deere, intercooled turbocharged diesel, 6-cylinder, liquid-cooled, 466 ci [7.6 L] |
| info | |
| Speeds: | 20.8-38 rear tires. |
| 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. | |
| info | |
| Previous model: | John Deere 4840 |
| Next model: | John Deere 4955 |
| Series back: | John Deere 4650 |
| Dimensions | |
| Weight (shipping): | 17,457 lbs [7918 kg] |
| Weight (operating): | 18,720 lbs [8491 kg] (2WD) |
| 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] |
| Ground clearance: | 14.92 inches [37 cm] |
| John Deere 4850 Tires | |
| Ag front: | 11.00-16 |
| Ag rear: | 20.8-38 |
| info | |
| Previous model: | John Deere 4840 |
| Next model: | John Deere 4955 |
| Series back: | John Deere 4650 |
| Loader | |
| Loader type: | John Deere 280 |
| Weight: | 2795 lbs [1267 kg] |
| Height (to pin): | 178 inches [452 cm] |
| Clearance, dumped bucket: | 152 inches [386 cm] |
| Dump reach: | 26 inches [66 cm] |
| Dump angle: | 44 |
| Clearance, level bucket: | 173 inches [439 cm] |
| Rollback angle: | 41 |
| Breakout force (lift): | 5126 lbs [2325 kg] |
| Lift to full height (at pin): | 3718 lbs [1686 kg] |
| Bucket width: | 85 inches [215 cm], 97 inches [246 cm] |