John Deere 8820 Combine Parts

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The John Deere 8820 combine, produced from 1981 to 1989, was a popular choice among farmers due to its reliability and robust design. Powered by a John Deere diesel engine producing approximately 225 horsepower, the 8820 offered header widths up to 30 feet. This conventional separator combine provided a balance of performance and simplicity, making it well-suited for harvesting a variety of grains.

The John Deere 8820 combine was introduced in 1981 as part of the '20 series' combines, replacing earlier models and offering improved performance. It continued production until 1989. Powering the 8820 was a John Deere 6-cylinder diesel engine, typically producing around 225 horsepower with a displacement of approximately 466 cubic inches (7.6 liters). The 8820 utilized a conventional threshing system with a large, 66-inch wide cylinder and walkers for grain separation. The grain tank had a capacity of around 205 bushels, and the unloading auger could unload at a rate of approximately 50 bushels per minute. Available header widths ranged from 13 to 30 feet, accommodating different field sizes and crop types. Chopper and spreader options were available for residue management. The cab featured improved operator comfort and controls compared to previous models. The John Deere 8820 excelled at harvesting a wide range of crops, including wheat, corn, soybeans, and other small grains.

Specifications

Engine	John Deere 225 HP 466 cu in Diesel
Separator Type	Conventional - 66-inch wide cylinder
Grain Tank	205 bushels
Unloading Rate	50 bu/min
Header Widths	13-30 ft
Fuel Capacity	100 gallons
Weight	20,000 lbs
Years Produced	1981-1989

Maintenance Tips

Regularly inspect and adjust concave clearance to ensure proper threshing and minimize grain loss.
Check belt and chain tension frequently, adjusting as needed to prevent slippage and premature wear.
Clean sieves and chaffers regularly to maintain proper airflow and grain separation.
Grease all bearings and moving parts according to the manufacturer's recommendations to prevent wear and ensure smooth operation. Prior to each harvest season, thoroughly inspect the machine, replace worn parts, and perform necessary maintenance to minimize downtime.

History & Background

The John Deere 8820 combine was introduced in 1981 as a significant upgrade from previous models, offering increased capacity and efficiency. While there weren't major redesigns during its production run, ongoing improvements were implemented. The 8820 is remembered as a reliable and versatile combine that served many farmers well for years.

Frequently Asked Questions

What engine is in the John Deere 8820?

The John Deere 8820 is powered by a 6-cylinder John Deere diesel engine producing approximately 225 horsepower with a displacement of 466 cubic inches (7.6 liters).