John Deere 8850 Tractor Parts

8850 parts and accessories

The John Deere 8850, manufactured from 1981 to 1984, was a powerful and innovative four-wheel drive tractor. Powered by a 370 HP Cummins V8 diesel engine, it delivered substantial power to the drawbar and PTO. With around 300 PTO horsepower, the 8850 became popular among farmers needing reliable performance for demanding tillage operations, excelling in large-acreage applications due to its robust design.

The John Deere 8850 was introduced in 1981 as a part of John Deere's high-horsepower tractor lineup, and production continued until 1984. It was designed to meet the growing demand for larger and more powerful tractors capable of handling increased farm sizes and heavier implements. The 8850 is equipped with a Cummins V8 diesel engine producing approximately 370 horsepower, with a displacement of 903 cubic inches (14.8 liters). The tractor utilizes a 12-speed manual transmission, offering a range of gear selections for various field operations. Its PTO delivers around 300 horsepower and offers both 540 and 1000 RPM options. The hydraulic system has a flow rate of approximately 36 gallons per minute, and multiple remote valves are available. It features a Category III 3-point hitch, with a lift capacity around 9,800 lbs. The John Deere 8850 was frequently employed in row crop operations, tillage, and heavy cultivation. Distinguishing it from other models in John Deere's lineup during that era was its robust four-wheel-drive system and high horsepower, placing it among the top-tier tractors for handling large-scale farming tasks.

Specifications

Engine	Cummins V8 370 HP Diesel
PTO HP	300 HP @ 1000 RPM
Transmission	Manual 12-speed
Hydraulics	36 GPM, 3 remotes
3-Point Hitch	Category III, 9,800 lbs
Fuel Capacity	212 gallons
Weight	35,000 lbs
Years Produced	1981-1984

Maintenance Tips

Change engine oil and filter every 250 hours using the recommended oil type to ensure optimal engine lubrication and longevity.
Inspect hydraulic fluid levels and filters regularly, replacing filters every 500 hours, to prevent contamination and maintain hydraulic system performance.
Check and clean the fuel filter regularly, especially after periods of inactivity, to ensure a clean fuel supply and prevent fuel system issues.
Before seasonal storage, drain the fuel tank, add fuel stabilizer, and grease all lubrication points to protect the tractor from rust and corrosion during periods of non-use.

History & Background

The John Deere 8850 represented a significant step in high-horsepower tractor design during the early 1980s. Introduced to meet the needs of increasingly large farming operations, it offered a level of power and capability that was highly sought after. While not undergoing any major redesigns during its short production run, it left a lasting impact on agricultural practices, showcasing the potential of large articulated tractors.

Frequently Asked Questions

What engine is in the John Deere 8850?

The John Deere 8850 is powered by a Cummins V8 diesel engine, producing approximately 370 horsepower with a displacement of 903 cubic inches (14.8 liters).

What is the PTO horsepower on a 8850?

The PTO horsepower of the John Deere 8850 is approximately 300 horsepower at 1000 RPM. It also supports a 540 RPM PTO shaft.

What oil filter fits the 8850?

The John Deere 8850 typically uses a John Deere AR50041 oil filter or cross-references to brands like Wix 51791, Fleetguard LF3349, or Baldwin BD103. Consult your parts manual for the exact replacement.

What are common parts needed for the 8850?

Common parts needed for the John Deere 8850 include engine oil filters, fuel filters, hydraulic filters, air filters, fan belts, hydraulic seals, steering components such as tie rod ends, and clutch components like clutch discs and release bearings.

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