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).

L39949 - PTO (540 RPM) Shaft
SKU: L39949
29 in stock

JD9320 - Open Ball; Single Row Bearing
SKU: JD9320
42 in stock

AT29707 - PTO (540 RPM) Shaft
SKU: AT29707
15 in stock

AL28922 - Oil Pump Drive Shaft Seal
SKU: AL28922
163 in stock

TY6626 - 6E171) 5.75" pulley Denso w/ Clutch (Ear mtd. Re-Mfg Compressor
SKU: TY6626
230 in stock

T143169 - Ring
SKU: T143169
70 in stock

T143167 - O-Ring
SKU: T143167
13 in stock

T143166 - O-Ring
SKU: T143166
20 in stock

RE60697 - 12V) A6 Style w/ Clutch (1 groove 5.75" pulley New Compressor
SKU: RE60697
232 in stock

RE57936 - Compressor
SKU: RE57936
230 in stock

RE46657 - Denso Style w/ Clutch New Compressor
SKU: RE46657
37 in stock

RE24308 - Lo-Press. Switch
SKU: RE24308
188 in stock

RE24307 - Hi-Press Switch
SKU: RE24307
223 in stock

RE214439 - Receiver/Drier
SKU: RE214439
928 in stock

RE206757 - Expansion Valve
SKU: RE206757
337 in stock

RE157329 - Dual Press. Switch
SKU: RE157329
263 in stock

RE13886 - Expansion Valve
SKU: RE13886
337 in stock

RE10982 - Valve
SKU: RE10982
101 in stock

RE10981 - Manifold - Discharge
SKU: RE10981
87 in stock

RE10980 - Manifold - Suction
SKU: RE10980
107 in stock

RE10975 - 5.75" pulley) Clutch - Nippondenso (1 groove
SKU: RE10975
25 in stock

RE10972 - SUB TO RE12513
SKU: RE10972
230 in stock

R77401 - O-Ring
SKU: R77401
77 in stock

R74210 - O-Ring (10 pk)
SKU: R74210
53 in stock
