John Deere 985 Combine Parts

985 parts and accessories

The John Deere 985 Combine, produced in the late 1970s and early 1980s, was a popular choice among farmers for its reliability and harvesting efficiency. Powered by a robust diesel engine producing around 175 horsepower, it offered header widths suitable for various field sizes. Its conventional separator system provided efficient threshing, making it well-suited for a range of grains, contributing to its widespread adoption during its production years.

The John Deere 985 combine was manufactured from 1979 to 1982, building upon Deere's legacy of durable and productive harvesting equipment. It featured a John Deere 6-cylinder diesel engine, typically producing around 175 horsepower with a displacement of approximately 466 cubic inches. The 985 employed a conventional threshing system using a 6-bar cylinder for effective grain separation. It had a grain tank capacity of approximately 150 bushels and an unloading auger capable of emptying the tank at a rate of about 40 bushels per minute. Available header widths ranged from 13 to 20 feet, catering to diverse farming operations. The combine came with options for a straw chopper or spreader to manage residue. The cab provided basic operator comfort with essential controls. The 985 excelled in harvesting wheat, soybeans, and corn, solidifying its reputation as a dependable workhorse on many farms.

Specifications

Engine	John Deere 175 HP 466 cu in Diesel
Separator Type	Conventional - 6-bar Cylinder
Grain Tank	150 bushels
Unloading Rate	40 bu/min
Header Widths	13-20 ft
Fuel Capacity	75 gallons
Weight	Approximately 15,000 lbs
Years Produced	1979-1982

Maintenance Tips

Concave Adjustment: Regularly inspect and adjust concave clearance to optimize threshing performance and minimize grain damage.
Belt and Chain Tension: Maintain proper tension on all belts and chains to prevent slippage and ensure efficient power transmission.
Sieve and Chaffer Cleaning: Regularly clean sieves and chaffers to remove debris and maintain optimal grain cleaning performance.
Bearing Greasing: Grease all bearings according to the manufacturer's recommendations to prevent premature wear and failure. Pay special attention to bearings in high-wear areas like the header and separator.

History & Background

Introduced in 1979, the John Deere 985 aimed to provide a reliable and efficient conventional combine option for farmers. While it didn't undergo major redesigns during its relatively short production run, it represented a continuation of John Deere's commitment to providing dependable harvesting solutions. Its success contributed to the evolution of combine technology in the late 20th century.

Frequently Asked Questions

What engine is in the John Deere 985?

The John Deere 985 is equipped with a John Deere 6-cylinder diesel engine, typically producing around 175 horsepower with a displacement of approximately 466 cubic inches.

What is the grain tank capacity on a 985?

The grain tank capacity of the John Deere 985 is approximately 150 bushels, and the unloading rate is around 40 bushels per minute.

What type of separator does the 985 have?

The John Deere 985 utilizes a conventional threshing system with a 6-bar cylinder for grain separation.

What are common parts needed for the 985?

Common wear parts for the John Deere 985 include concaves, rasp bars, belts, chains, bearings, auger fingers, and sickle sections. Regular inspection and replacement of these parts are crucial for maintaining optimal performance.

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