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.

AH75397 - Cylinder End
SKU: AH75397
10 in stock

R66307 - Clamp
SKU: R66307
31 in stock

RE50783 - Major Engine Overhaul Kit
SKU: RE50783
10 in stock

R54123 - Plug Adapter Fitting
SKU: R54123
7 in stock

34M7043 - Spring Pin
SKU: 34M7043
300 in stock

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

RE49169 - Receiver Drier
SKU: RE49169
928 in stock

RE214439 - Receiver/Drier
SKU: RE214439
928 in stock

AXE14069 - Blower Motor
SKU: AXE14069
321 in stock

AR92109 - 10:00 coil) 12V A6 Style w/ Clutch (1 groove 5.75" pulley New Compressor
SKU: AR92109
232 in stock

AR77344 - Thermal Limiter Fuse (Pkg of 6)
SKU: AR77344
85 in stock

AR59780 - Receiver Drier
SKU: AR59780
928 in stock

AR59779 - Switch AC/HT Temp
SKU: AR59779
493 in stock

AR49960 - Sub To 220-256
SKU: AR49960
493 in stock

AH80191 - Expansion Valve
SKU: AH80191
151 in stock

804-464 - R12/ R134a Filter Drier
SKU: 804-464
928 in stock

H91796 - Straw Spreader Gear
SKU: H91796
72 in stock

H91228 - Straw Spreader Gear
SKU: H91228
33 in stock

AN102383 - Coupler Chain
SKU: AN102383
279 in stock

Z10997 - Elevator Sprocket
SKU: Z10997
4 in stock

P44439 - Bearing; Half Flange
SKU: P44439
1011 in stock

JD39103 - RH Bearing
SKU: JD39103
286 in stock

T29394 - Differential Bevel Gear
SKU: T29394
43 in stock

JD8226 - Outer Cup
SKU: JD8226
542 in stock
