Introduction
John Deere 2850 Utility Tractor
The John Deere 2850 is a utility tractor produced between 1986 and 1994. Part of the 2650 series, this machine was manufactured in Mannheim, Germany, and Rosario, Argentina, serving as a versatile platform for diverse agricultural operations.
Engine and Performance
The tractor is powered by the John Deere 4239TL, a 3.9-liter, 4-cylinder turbocharged diesel engine. It produces 86 horsepower (64.1 kW) at a rated speed of 2300 RPM. The engine delivers a maximum torque of 232.3 lb-ft (315 Nm) at 1500 RPM, providing consistent lugging ability for field work.
Transmission and Drivetrain
The 2850 is equipped with a Hi-Lo two-speed power shift transmission, offering 16 forward and 8 reverse gears. It utilizes a hydraulic cerametallic disc clutch for smooth operation. The model was available in both two-wheel drive and four-wheel drive configurations, featuring power steering and hydraulic wet disc brakes for enhanced maneuverability and safety.
Hydraulics and Hitch
The tractor utilizes a closed-center constant pressure hydraulic system, providing a flow of 11.6 gpm (43.9 lpm) at a system pressure of 2756 psi (190 bar). The rear Category II hitch features position and draft control, with lift capacities of 8003 lbs for 2WD models and 8818 lbs for 4WD models. A front hitch option is also available, offering a lift capacity of 3594 lbs.
PTO System
The rear PTO is independent and offers dual-speed functionality of 540 and 1000 RPM. Additionally, the tractor supports an independent front PTO operating at 1000 RPM, allowing for the simultaneous use of front-mounted implements.
Conclusion
The John Deere 2850 is a mid-range utility tractor suited for varied farming tasks, combining a reliable turbocharged engine with a flexible transmission and robust hydraulic capabilities. Its availability in 2WD and 4WD configurations, alongside optional cab packages like the Sound-Gard, makes it a durable choice for operations requiring a balance of power and versatility.
Production Information of John Deere, 2850
- Utility tractor
| Manufacturer | John Deere |
|---|---|
| Manufacturer(optional) | Rosario, Argentina |
| Factories | Mannheim, Baden-Württemberg, Germany |
Dimension and Tires Information of John Deere, 2850
| 2WD Front tread | 53.5 to 79.1 inches [135 to 200 cm] |
|---|---|
| 2WD Wheelbase | 89.2 inches [226 cm] |
| Height (cab) | 100.3 inches (low-profile) [254 cm] |
| Width | 81.4 inches [206 cm] |
| 4WD Wheelbase | 90 inches [228 cm] |
| 4WD Weight | 8653 lbs [3925 kg] |
| 4WD Weight(optional) | 105.8 inches (SG2) [268 cm] |
| Length | 167.1 inches [424 cm] |
| Rear tread | 59.1 to 78.7 inches [150 to 199 cm] |
| 4WD Front tread | 59.1 to 79.1 inches [150 to 200 cm] |
| 2WD Clearance (front axle) | 26.5 inches [67 cm] |
| 4WD Clearance (front axle) | 20.5 inches [52 cm] |
| 2WD Weight | 7694 lbs [3489 kg] |
| 2WD Standard tires (ag) | Front: 10.00-16. Rear: 14.9R38 |
|---|---|
| 4WD Standard tires (ag) | Front: 12.4R28. Rear: 14.9R38 |
Engine Specifications of John Deere, 2850
- John Deere 4239TL
- Liquid-cooled
- Turbocharged diesel
- 4-cylinder
| Torque RPM | 1500 |
|---|---|
| Displacement | 239 ci [3.9 L] |
| Air cleaner | Dry |
| Bore/Stroke | 4.19x4.33 inches [106 x 110 mm] |
| Starter power | 4 hp [3.0 kW] |
| Starter volts | 12 |
| Torque | 232.3 lb-ft [315.0 Nm] |
| Rated RPM | 2300 |
| Power | 86 hp [64.1 kW] |
Transmission Information of John Deere, 2850
Transmission variants 1
| Transmission | Hi-Lo |
|---|---|
| Clutch | Hydraulic cerametallic disc |
| Type | Two-speed power shift |
| Gears | 16 forward and 8 reverse |
Mechanical Specs of John Deere, 2850
- Two- or four-wheel drive
- ROPS. Sound-Gard and CC2 cab optional.
- Hydraulic wet disc brakes
- Power steering
| Final drives | Planetary |
|---|
Power Information of John Deere, 2850
| Clutch | Hydraulic wet disc |
|---|---|
| Rear PTO | Independent |
| Rear PTO(optional) | 1000@2172 |
| Engine RPM | 540@2070 |
| Clutch | Hydraulic wet disc |
| Front PTO Type | 1000 |
| Front PTO | Independent |
| Rear PTO Type | 540/1000 |
| Engine RPM | 1000@2172 |
Hydraulics Specifications of John Deere, 2850
| Type | Closed-center constant presure |
|---|---|
| Pressure | 2756 psi [190.0 bar] |
| Total flow | 11.6 gpm [43.9 lpm] |
Three-Point Hitch of John Deere, 2850
| Rear Type | II |
|---|---|
| Front Hitch | II |
| 4WD Rear lift (at ends) | 8818 lbs [3999 kg] |
| Control | Positon and draft control |
| Front lift (at ends) | 3594 lbs [1630 kg] |
| 2WD Rear lift (at ends) | 8003 lbs [3630 kg] |
Electrical System of John Deere, 2850
| Ground | Negative |
|---|---|
| Battery AH | 55 |
| Battery volts | 12 |
| Charging amps | 55 |
| Batteries | 2 |
Where it sits
With 86 HP, the John Deere 2850 sits just above 2650 (78 HP) in John Deere's range. Its power puts it in the 64th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the John Deere 2850 have?
The John Deere 2850 delivers 86 HP.
What years was the John Deere 2850 produced?
The John Deere 2850 was produced in 1986-1994.
What engine does the John Deere 2850 have?
The John Deere 2850 is powered by a Turbocharged diesel, 4-cylinder engine.
What transmission does the John Deere 2850 use?
The John Deere 2850 uses a Hi-Lo transmission.
How much does the John Deere 2850 weigh?
The John Deere 2850 weighs 8653 lbs [3925 kg].
Is the John Deere 2850 4WD?
The John Deere 2850 is available in 2WD/4WD.