John Deere 6622 Combine Parts

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The John Deere 6622 combine, manufactured from 1980-1984, was a popular choice for farmers seeking a reliable and efficient machine. Powered by a John Deere diesel engine delivering around 155 HP, the 6622 offered header widths up to 20 feet, allowing for efficient harvesting of various crops. Its conventional separator design provided dependable performance for grain harvesting.

The John Deere 6622 combine harvester was introduced in 1980 and remained in production until 1984. This combine features a John Deere 6466A 6-cylinder turbocharged diesel engine, producing approximately 155 horsepower with a displacement of 466 cubic inches (7.6L). The 6622 utilizes a conventional threshing system with a 42-inch wide cylinder and a corresponding concave. Grain tank capacity is around 160 bushels, and the unloading auger can discharge grain at a rate of approximately 45 bushels per minute. Available header widths ranged from 13 to 20 feet, catering to different field sizes and crop types. Options included a straw chopper or spreader to manage residue after harvest. The cab offered basic operator comfort and controls. The 6622 was particularly well-suited for harvesting small grains like wheat and soybeans, as well as corn in some conditions. This combine became a popular choice for farmers due to its reliability and ease of maintenance.

Specifications

Engine	John Deere 6466A 155 HP 466 CID Diesel
Separator Type	Conventional - 42-inch Cylinder width
Grain Tank	160 bushels
Unloading Rate	45 bu/min
Header Widths	13-20 ft
Fuel Capacity	80 gallons
Weight	Approx. 18,000 lbs
Years Produced	1980-1984

Maintenance Tips

Concave Adjustment: Regularly inspect and adjust the concave clearance to ensure optimal threshing performance and minimize grain damage. Refer to the operator's manual for recommended settings for different crop types.
Belt and Chain Tension: Check and maintain proper tension on all belts and chains to prevent slippage, premature wear, and potential breakdowns during harvest.
Sieve and Chaffer Cleaning: Regularly clean the sieves and chaffer to remove debris and ensure proper grain separation, minimizing grain loss and improving sample quality.
Bearing Greasing: Grease all bearings according to the recommended service intervals to prevent premature wear and ensure smooth operation of all moving parts.

History & Background

The John Deere 6622 was introduced in 1980 as part of John Deere's line of conventional combines. It was designed to provide a balance of power, capacity, and reliability for farmers. The 6622 represents a significant point in the evolution of combine harvesters, offering improved efficiency and performance compared to earlier models.

Frequently Asked Questions

What engine is in the John Deere 6622?

The John Deere 6622 is equipped with a John Deere 6466A 6-cylinder turbocharged diesel engine, producing approximately 155 horsepower with a displacement of 466 cubic inches (7.6L).

What is the grain tank capacity on a 6622?

The grain tank capacity on the John Deere 6622 is approximately 160 bushels, with an unloading rate of around 45 bushels per minute.

What type of separator does the 6622 have?

The John Deere 6622 utilizes a conventional threshing system with a 42-inch wide cylinder and a corresponding concave for grain separation.

What are common parts needed for the 6622?

Common parts needed for the John Deere 6622 include concaves, rasp bars, belts, chains, bearings, auger fingers, and sickle sections. These parts are subject to wear and tear during operation and require periodic replacement to maintain optimal performance.

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