John Deere 4850 Specs ( 1983-1988 )
Production
| Description | Row-Crop tractor / Built in Waterloo, Iowa, USA |
|---|---|
| Manufacturer | John Deere |
| Original price | $70,800 (1983 2WD ) |
Engine
| Engine type | John Deere 7.6L 6-cyl diesel |
|---|---|
| Air cleaner | dry |
| Bore/Stroke | 4.56x4.75 inches (116 x 121 mm) |
| Compression | 15:1 |
| Coolant capacity | 32 qts (30.3 L) |
| Description | John Deere / intercooled turbocharged diesel / 6-cylinder / liquid-cooled |
| Displacement | 466 ci (7.6 L) |
| Firing order | 1-5-3-6-2-4 |
| Oil capacity | 21 qts (19.9 L) |
| Power | 207.9 hp (155.0 kW) |
| Rated RPM | 2200 |
| Starter volts | 12 |
| Drawbar (claimed) | 162 hp (120.8 kW) |
| Drawbar (tested) | 164.73 hp (122.8 kW) |
| PTO (claimed) | 190 hp (141.7 kW) |
| PTO (tested) | 192.99 hp (143.9 kW) |
Transmission
| Clutch | Perma-Clutch wet disc |
|---|---|
| Description | Full (clutchless) power shift can be made between gears, forward and reverse. |
| Gears | 15 forward and 4 reverse |
| Oil capacity | 74.4 qts (2WD) (70.4 L) |
| Transmission | John Deere Power Shift |
| Transmission type | 15-speed full power shift |
| Type | full power shift |
Mechanical
| Description | Power steering / Hydraulic wet disc brakes / Sound-Gard cab standard. Optional four-post Roll-Gard ROPS. |
|---|---|
| Differential lock | hydraulic rear |
| Drive type | Two- or four-wheel drive |
| Final drives | inboard planetary |
Capacity
| Fuel | 102 gal (386.1 L) |
|---|---|
| Hydraulic system | 18.6 gal (2WD) (70.4 L) |
Hydraulics
| Capacity | 18.6 gal (2WD) (70.4 L) |
|---|---|
| Pressure | 2277 psi (157.0 bar) |
| Pump flow | 29.5 gpm (111.7 lpm) |
| Type | closed center |
| Valves | 2 or 3 |
Hitch
| Control | lower-link draft sensing |
|---|---|
| Rear lift | 9,599 lbs (4354 kg) |
| Rear Type | III |
PTO
| Clutch | hydraulic wet disc |
|---|---|
| Engine RPM | 1000@2200 |
| Rear PTO | independent |
| Rear PTO Type | 1000 |
Electrical
| Batteries | 2 |
|---|---|
| Battery volts | 6 |
| Charging amps | 90 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| 2WD Wheelbase | 118.5 inches (300 cm) |
|---|---|
| 4WD Wheelbase | 117.1 inches (297 cm) |
| Ground clearance | 14.92 inches (37 cm) |
| Height | 117.8 inches (299 cm) |
| Length | 179.7 inches (2WD) (456 cm) |
| Operating weight | 18,720 lbs (2WD) (8491 kg) |
| Rack-and-pinion rear axle | 3.94 by 96 inches (100 by 2438 mm) / 3.94 by 108 inches (100 by 2743 mm) / 3.94 by 118 inches (100 by 2997 mm) |
| Shipping weight | 17,457 lbs (7918 kg) |
| Width | 118 inches (standard axle) (299 cm) |
| 2WD Rear tire | 20.8-38 |
| 2WD Wheelbase | 118.5 inches (300 cm) |
| 4WD Wheelbase | 117.1 inches (297 cm) |
| Front tire | 11.00-16 |
| Weight | 17457 to 18720 pounds |
| 2WD Standard tires (ag) | Front: 11.00-16. Rear: 20.8-38 |
| 4WD Standard tires (ag) | Front: 18.4-26. Rear: 20.8-38 |
| Ag rear | 18.4-38 |
4850 Serial Number Location
| Description | Serial number plate on rear of tractor. |
|---|
4850 Serial Numbers
| 1983 | 1000 |
|---|---|
| 1984 | 5001 |
| 1985 | 8001 |
| 1986 | 10001 |
| 1987 | 11001 |
| 1988 | 12001 |
| 1989 | 14501 |
| Description | FAQ: How to read a serial number table. |
John Deere 4850 attachments
| Description | front-end loader |
|---|
Nebraska Tractor Test 1461
| Description | Diesel Power Shift 2WDOctober 11 - November 11, 1982Link: Nebraska Tractor Test 1461 file / PTO performance / Drawbar performance / Gear 10 used for power test. / Gear 5 used for pull test. |
|---|---|
| Fuel use | 11.0 gal/hour (41.6 l/hour) / 11.0 gal/hour (41.6 l/hour) |
| Max power | 164.73 hp (122.8 kW) |
| Max pull | 18,789 lbs (8522 kg) |
| Power at rated engine speed | 192.99 hp (143.9 kW) |
References
| Description | Loaders, Spreaders and Blades published in 1984, by John Deere / Tractors 100 to 190 HP published in 1984, by John Deere / Tractors 105 to 190 HP published in 1984, by John Deere / Row-Crop Tractors Product Information Handbook published in 1984, by John Deere / Row-Crop Tractors Product Information Handbook published in 1986, by John Deere / Agricultural Price List published in 1983, by John Deere |
|---|---|
| Drive type | Mechanical Front-Wheel Drive published in 1984, by John Deere |
Speeds
| Description | 20.8-38 rear tires. |
|---|