John Deere 6622 Combine Parts
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.

AR93629 - Piston
SKU: AR93629
4 in stock

AR77752 - Thrust (.030") Bearing
SKU: AR77752
7 in stock

AR77751 - Thrust (.020") Bearing
SKU: AR77751
2 in stock

AR77750 - Thrust (.010") Bearing
SKU: AR77750
47 in stock

AR77748 - Thrust (Std) Bearing
SKU: AR77748
57 in stock

AR77747 - Thrust (Std) Washer Set
SKU: AR77747
Out of stock

AR74817 - Main (.020") Bearing
SKU: AR74817
60 in stock

AR74816 - Main (.010") Bearing
SKU: AR74816
95 in stock

AR74814 - Main (Std) Bearing
SKU: AR74814
42 in stock

AR74665 - Injector
SKU: AR74665
259 in stock

AR73281 - Connecting Rod (.030") Bearing Set
SKU: AR73281
15 in stock

AR73280 - Connecting Rod (.020") Bearing Set
SKU: AR73280
2 in stock

AR73279 - Connecting Rod (.010") Bearing Set
SKU: AR73279
7 in stock

AR73277 - Connecting Rod (Std) Bearing Set
SKU: AR73277
212 in stock

AR72079 - Piston Liner Kit
SKU: AR72079
101 in stock

AR63060 - Cylinder Liner
SKU: AR63060
79 in stock

AR57241 - Crankshaft Dampener Pulley
SKU: AR57241
107 in stock

AR55394 - Oil Cooler
SKU: AR55394
71 in stock

AR49247 - Main (.030") Bearing
SKU: AR49247
5 in stock

AR49246 - Main (.020") Bearing
SKU: AR49246
37 in stock

AR49245 - Main (.010") Bearing
SKU: AR49245
9 in stock

AR49243 - Main (Std) Bearing
SKU: AR49243
45 in stock
AR49025 - Front Crankshaft Seal
SKU: AR49025
163 in stock

AR100646 - 6.466T/A Late Piston Liner Kit
SKU: AR100646
102 in stock
