John Deere 8870 Tractor Parts
8870 parts and accessories
The John Deere 8870, manufactured from 1992 to 1994, is a robust agricultural tractor known for its power and reliability. Powered by a 370 HP John Deere diesel engine, this articulated 4WD tractor delivered a PTO horsepower of 305, making it a favorite among farmers for heavy tillage and large-scale operations. Its exceptional traction and ample hydraulic capacity made it ideal for a wide range of implements.
The John Deere 8870 was introduced in 1992 as part of the John Deere's large-frame articulated 4WD tractor lineup, replacing earlier models and offering increased power and improved features. Production continued through 1994. The 8870 is equipped with a John Deere 6-cylinder diesel engine rated at 370 horsepower, with a displacement of 12.5L (764 cu in). This powerplant provided ample torque for demanding tasks. The transmission is a 12-speed manual Quad Range transmission, offering a good range of speeds for various field conditions. The PTO delivers 305 horsepower, available at 1000 RPM. The hydraulic system boasts a flow rate of approximately 42 GPM and typically includes 4 remote valves for implement control. While the 8870 lacks a traditional 3-point hitch, its drawbar is designed for heavy loads. It was commonly used for pulling large tillage implements, planting row crops, and other demanding farming applications. What set the 8870 apart from other models was its combination of high horsepower, articulated steering for maneuverability, and a durable design built to withstand the rigors of large-scale farming.
Specifications
| Engine | John Deere 370 HP Diesel |
|---|---|
| PTO HP | 305 HP @ 1000 RPM |
| Transmission | Quad Range 12-Speed |
| Hydraulics | 42 GPM, 4 remotes |
| 3-Point Hitch | Category N/A, Drawbar only |
| Fuel Capacity | 285 gallons |
| Weight | 36,000 lbs |
| Years Produced | 1992-1994 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 250-300 hours using the recommended John Deere oil and filter. Regularly inspect the oil level and condition.
- Hydraulic System: Check the hydraulic fluid level regularly and change the hydraulic filters every 500 hours. Use only John Deere approved hydraulic fluid to prevent damage.
- Fuel System: Use clean, high-quality diesel fuel. Inspect and replace the fuel filters regularly to prevent fuel system issues. Drain any water that accumulates in the fuel/water separator.
- Seasonal Storage: Before storing the tractor for the off-season, fill the fuel tank to prevent condensation, change the engine oil and filter, and lubricate all grease fittings. Disconnect the battery and store it in a cool, dry place.
History & Background
The John Deere 8870 was introduced in 1992 as a continuation of the 4WD articulated tractors from John Deere. It offered a significant power upgrade over earlier models and incorporated design improvements for enhanced reliability. Its introduction marked John Deere's commitment to providing high-horsepower solutions for large-scale agricultural operations and contributed to the evolution of modern farming practices.
Frequently Asked Questions
What engine is in the John Deere 8870?
The John Deere 8870 is equipped with a 12.5L (764 cu in) 6-cylinder John Deere diesel engine producing 370 horsepower.
What is the PTO horsepower on a 8870?
The PTO horsepower on the John Deere 8870 is 305 HP, operating at 1000 RPM.
What oil filter fits the 8870?
The recommended oil filter for the John Deere 8870 is a John Deere AR51713 or equivalent. Common cross-references include Wix 51792 and Baldwin B1410.
What are common parts needed for the 8870?
Common wear parts for the John Deere 8870 include engine oil filters, fuel filters, hydraulic filters, belts (fan belt, alternator belt), hydraulic seals, steering cylinders/components, and occasionally clutch parts due to the manual transmission.

R39322 - Clutch / Brake Sealing Ring
SKU: R39322
130 in stock

R161382 - Shift Lever Knob
SKU: R161382
2092 in stock

AT117908 - Clutch Disc
SKU: AT117908
1086 in stock

AR94519 - PTO Clutch Assembly Disc
SKU: AR94519
368 in stock

AR389R - Shifter Cam Shaft Seal
SKU: AR389R
28 in stock

RE13310 - Rear Seal
SKU: RE13310
14 in stock

RE12180 - PTO / Eng Speed Sensor; Magnetic Pickup
SKU: RE12180
126 in stock

RE11410 - Valve Rotator
SKU: RE11410
288 in stock

R91822 - Valve (6076) Spring
SKU: R91822
30 in stock

R87561 - Camshaft Bearing
SKU: R87561
102 in stock

R79606 - Tee Fitting
SKU: R79606
259 in stock

R79605 - Grommet
SKU: R79605
5681 in stock

R79604 - Injector NUT
SKU: R79604
200 in stock

R71919 - Pan Gasket
SKU: R71919
11 in stock

R69045 - Connecting Rod Bushing
SKU: R69045
46 in stock

R66453 - Connecting Rod Bolt
SKU: R66453
37 in stock

R64840 - Injector Washer
SKU: R64840
Out of stock

R54500 - Turbo Mounting; Stainless Steel (4 pack) Screw
SKU: R54500
604 in stock

R53081 - Intake Manifold to Intercooler Gasket
SKU: R53081
Out of stock

R51937 - Injector Nozzle Nut
SKU: R51937
614 in stock

R51936 - Injector Lines Grommet
SKU: R51936
12010 in stock

R46903 - Camshaft Bearing
SKU: R46903
229 in stock

R28811 - Flywheel Ring Gear
SKU: R28811
274 in stock

R26727 - Oil Pan Drain Plug
SKU: R26727
66 in stock
