John Deere 4850
Power
207 hp
Production
1983-1988
Engine
Intercooled turbocharged diesel, 6-cylinder
Transmission
John Deere Power Shift
Weight
18,720 lbs (2WD) [8491 kg]
Drive
2WD/4WD
From the same series:
Introduction
John Deere 4850 Row-Crop Tractor
The John Deere 4850 is a row-crop tractor produced between 1983 and 1988 at the John Deere manufacturing facility in Waterloo, Iowa, USA. It belongs to a series of high-performance tractors designed to meet the requirements of large-scale agricultural operations.
Engine and Performance
The tractor is powered by a 7.6-liter (466 ci), 6-cylinder intercooled turbocharged diesel engine. This liquid-cooled unit produces 207.9 hp (155.0 kW) at a rated speed of 2200 RPM. It features a compression ratio of 15:1 and a firing order of 1-5-3-6-2-4.
Transmission and Drivetrain
The 4850 utilizes a John Deere Power Shift transmission, offering 15 forward and 4 reverse gears. This full power shift system allows for clutchless gear changes under load. The drivetrain is equipped with a Perma-Clutch wet disc clutch and is available in both two-wheel and four-wheel drive configurations.
Hydraulics and Hitch
The hydraulic system is of the closed-center type, delivering a pump flow of 29.5 gpm (111.7 lpm) at a pressure of 2277 psi (157.0 bar). The system supports 2 or 3 valves. The rear hitch is a Category III type, featuring lower-link draft sensing and a lift capacity of 9,599 lbs (4,354 kg).
Dimensions and Construction
The tractor features a Sound-Gard cab as standard equipment, with an optional four-post Roll-Gard ROPS available. The operating weight for the 2WD model is 18,720 lbs (8,491 kg). The wheelbase measures 118.5 inches for 2WD models and 117.1 inches for 4WD models, providing stability for various field tasks.
Conclusion
The John Deere 4850 is a heavy-duty tractor suited for demanding traction and implement-heavy agricultural work. Its combination of a high-capacity hydraulic system, full power shift transmission, and robust engine makes it a reliable choice for intensive field operations.
Production Information of John Deere, 4850
- Row-Crop tractor
- Built in Waterloo, Iowa, USA
| Manufacturer | John Deere |
|---|---|
| Manufacturer(optional) | $81,605 (1983 4WD ) |
| Original price | $70,800 (1983 2WD ) |
Dimension and Tires Information of John Deere, 4850
| 2WD Wheelbase | 118.5 inches [300 cm] |
|---|---|
| 2WD Wheelbase(optional) | 184.8 inches (4WD) [469 cm] |
| Height | 117.8 inches [299 cm] |
| Length | 179.7 inches (2WD) [456 cm] |
| Ground clearance | 14.92 inches [37 cm] |
| 4WD Wheelbase | 117.1 inches [297 cm] |
| Width | 118 inches (standard axle) [299 cm] |
| Width(optional) | 85 inches (optional axle) [215 cm] |
| Width(optional) | 108 inches (optional axle) [274 cm] |
| Operating weight | 18,720 lbs (2WD) [8491 kg] |
| Shipping weight | 17,457 lbs [7918 kg] |
| Rack-and-pinion rear axle | 3.94 by 118 inches [100 by 2997 mm] |
| Rack-and-pinion rear axle | 3.94 by 108 inches [100 by 2743 mm] |
| Rack-and-pinion rear axle | 3.94 by 96 inches [100 by 2438 mm] |
| 2WD Standard tires (ag) | Front: 11.00-16. Rear: 20.8-38 |
|---|---|
| 2WD Standard tires (ag)(optional) | 20.8R38 |
| 2WD Standard tires (ag)(optional) | 18.4R38 |
| 4WD Standard tires (ag) | Front: 18.4-26. Rear: 20.8-38 |
| 4WD Standard tires (ag)(optional) | 18.4-42 |
| Ag rear | 18.4-38 |
Engine Specifications of John Deere, 4850
- Liquid-cooled
- 6-cylinder
- Intercooled turbocharged diesel
| Air cleaner | Dry |
|---|---|
| Firing order | 1-5-3-6-2-4 |
| Displacement | 466 ci [7.6 L] |
| Bore/Stroke | 4.56x4.75 inches [116 x 121 mm] |
| Power | 207.9 hp [155.0 kW] |
| Rated RPM | 2200 |
| Compression | 15:1 |
| Coolant capacity | 32 qts [30.3 L] |
| Oil capacity | 21 qts [19.9 L] |
| Starter volts | 12 |
Transmission Information of John Deere, 4850
Transmission variants 1
- Full (clutchless) power shift can be made between gears, forward and reverse.
| Transmission | John Deere Power Shift |
|---|---|
| Oil capacity | 74.4 qts (2WD) [70.4 L] |
| Clutch | Perma-Clutch wet disc |
| Type | Full power shift |
| Type(optional) | 86.4 qts (4WD) [81.8 L] |
| Gears | 15 forward and 4 reverse |
Mechanical Specs of John Deere, 4850
- Two- or four-wheel drive
- Hydraulic wet disc brakes
- Power steering
- Sound-Gard cab standard. Optional four-post Roll-Gard ROPS.
| Final drives | Inboard planetary |
|---|---|
| Differential lock | Hydraulic rear |
Power Information of John Deere, 4850
| Rear PTO | Independent |
|---|---|
| Engine RPM | 1000@2200 |
| Clutch | Hydraulic wet disc |
| Rear PTO Type | 1000 |
Hydraulics Specifications of John Deere, 4850
| Type | Closed center |
|---|---|
| Valves | 2 or 3 |
| Pressure | 2277 psi [157.0 bar] |
| Capacity | 18.6 gal (2WD) [70.4 L] |
| Pump flow | 29.5 gpm [111.7 lpm] |
| Pump flow(optional) | 21.6 gal (4WD) [81.8 L] |
Three-Point Hitch of John Deere, 4850
| Rear Type | III |
|---|---|
| Control | Lower-link draft sensing |
| Rear lift | 9,599 lbs [4354 kg] |
Electrical System of John Deere, 4850
| Ground | Negative |
|---|---|
| Battery volts | 6 |
| Batteries | 2 |
| Charging system | Alternator |
| Charging system(optional) | 12 |
| Charging amps | 90 |
Where it sits
With 207 HP, the John Deere 4850 sits between 4840 (200 HP) and 4955 (225 HP) in John Deere's range. Its power puts it in the 89th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the John Deere 4850 have?
The John Deere 4850 delivers 207 HP.
What years was the John Deere 4850 produced?
The John Deere 4850 was produced in 1983-1988.
What engine does the John Deere 4850 have?
The John Deere 4850 is powered by a Intercooled turbocharged diesel, 6-cylinder engine.
What transmission does the John Deere 4850 use?
The John Deere 4850 uses a John Deere Power Shift transmission.
How much does the John Deere 4850 weigh?
The John Deere 4850 weighs 18,720 lbs (2WD) [8491 kg].
Is the John Deere 4850 4WD?
The John Deere 4850 is available in 2WD/4WD.