John Deere 2850 Tractor Parts
2850 parts and accessories
The John Deere 2850 tractor, manufactured from 1982 to 1986, was a popular choice for farmers needing a reliable and versatile machine. Powered by a robust 76 horsepower diesel engine and offering around 65 PTO horsepower, it provided ample power for a variety of agricultural tasks. Its reputation for durability and ease of maintenance solidified its place as a dependable workhorse.
The John Deere 2850 was introduced in 1982 as part of the John Deere utility tractor lineup and was produced through 1986. It filled a crucial power niche for many farming operations. The tractor features a John Deere 4.239D four-cylinder diesel engine, delivering approximately 76 engine horsepower with a displacement of 239 cubic inches. The transmission options included a SyncroPlus transmission offering 8 forward and 4 reverse gears, and a PowrQuad transmission that provides 16 forward and 8 reverse gears. The 2850 offered both 540 and 1000 RPM PTO options, delivering around 65 PTO horsepower. Its hydraulic system provided a flow rate of approximately 16.4 GPM, with typically two remote valves available. The 3-point hitch is a Category II, offering a lift capacity of around 4,400 lbs. The John Deere 2850 was commonly used for row crop work, hay production, livestock operations, and light tillage tasks. Compared to other models like the smaller 2650 or larger 2950, the 2850 offered a balance of power and maneuverability that made it a favorite among farmers.
Specifications
| Engine | John Deere 4.239D 76 HP Diesel |
|---|---|
| PTO HP | 65 HP @ 540/1000 RPM |
| Transmission | SyncroPlus (8F/4R), PowrQuad (16F/8R) |
| Hydraulics | 16.4 GPM, 2 remotes |
| 3-Point Hitch | Category II, 4400 lbs |
| Fuel Capacity | 29 gallons |
| Weight | 7,722 lbs |
| Years Produced | 1982-1986 |
Maintenance Tips
- Change engine oil and filter every 250 hours of operation. Use a high-quality oil meeting John Deere specifications.
- Inspect hydraulic fluid levels regularly and change hydraulic filters according to the manufacturer's recommendations (typically every 500 hours). Use only specified hydraulic fluid.
- Periodically check and clean the fuel filter and fuel sediment bowl to prevent fuel system issues. Treat fuel with a stabilizer if the tractor will be stored for extended periods.
- Before seasonal storage, drain all fluids, grease all fittings, and cover the tractor to protect it from the elements.
History & Background
The John Deere 2850 was introduced in 1982 as part of John Deere's effort to provide farmers with a versatile utility tractor. While it didn't receive major redesigns during its production run, it remained a consistent and reliable machine. Its significance lies in its balanced power, making it suitable for a wide range of farming applications.
Frequently Asked Questions
What engine is in the John Deere 2850?
The John Deere 2850 is equipped with a John Deere 4.239D four-cylinder diesel engine, producing approximately 76 horsepower.
What is the PTO horsepower on a 2850?
The PTO horsepower for the John Deere 2850 is around 65 horsepower, available at both 540 and 1000 RPM.
What oil filter fits the 2850?
The oil filter commonly used on the John Deere 2850 is a John Deere filter part number AR51776 or a cross-reference such as a Wix 51794 or a Fram PH3600.
What are common parts needed for the 2850?
Common wear parts for the John Deere 2850 include engine oil filters, fuel filters, hydraulic filters, belts (fan belt, alternator belt), hydraulic seals, steering components (tie rod ends), and clutch components (clutch disc, pressure plate).

L34366 - Steering Arm (RH)
SKU: L34366
43 in stock

L28315 - Steering Arm (LH)
SKU: L28315
11 in stock

L28314 - Steering Arm (RH)
SKU: L28314
8 in stock

JD8412 - Thrust Spindle Bearing
SKU: JD8412
47 in stock

JD8410 - Thrust (Spindle) Bearing
SKU: JD8410
170 in stock

JD10250 - Differential Pinion Bearing
SKU: JD10250
78 in stock

AR74606 - Spindle (RH/LH)
SKU: AR74606
43 in stock

AR49592 - SEAL
SKU: AR49592
117 in stock

AR26625 - Steering Wheel
SKU: AR26625
220 in stock

AL71316 - Cross & Bearing Kit 27mmx70mm
SKU: AL71316
4 in stock

AL68210 - Inner Hub Seal
SKU: AL68210
81 in stock

AL62452 - Cross & Bearing Kit 28mmx71.5mm
SKU: AL62452
43 in stock

AL55149 - Bellcrank
SKU: AL55149
12 in stock

AL28222 - Spindle w/ Fender Mounting Bracket (RH/LH)
SKU: AL28222
8 in stock

AL172489 - Kingpin Tapered Roller (Import) Bearing
SKU: AL172489
80 in stock

RE64354 - 180° Thermostat
SKU: RE64354
58 in stock

RE60489 - Water w/o Hub/Pulley Pump
SKU: RE60489
Out of stock

RE51774 - Water Temperature Sensor
SKU: RE51774
65 in stock

RE501052 - 182蚌 THERMOSTAT
SKU: RE501052
86 in stock

RE48583 - 180° Thermostat
SKU: RE48583
78 in stock

RE42139 - Coolant Heater Element
SKU: RE42139
115 in stock

RE33705 - 180° Thermostat
SKU: RE33705
254 in stock

RE25043 - Water Pump
SKU: RE25043
168 in stock

RE227949 - Engine Block Heater
SKU: RE227949
189 in stock
