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.

H94703 - Loading Auger Input Shaft
SKU: H94703
26 in stock

H91334 - Lower Clean Grain Auger Sprocket
SKU: H91334
Out of stock

H86759 - Elevator Chain Paddle
SKU: H86759
Out of stock

H85015 - Lower Tailings Auger Slip Clutch Hub
SKU: H85015
9 in stock

H84838 - Auger Wood Blocks
SKU: H84838
201 in stock

H84498 - Shoe Auger Supply Shaft
SKU: H84498
19 in stock

H84026 - CA550 Pin Hook
SKU: H84026
470 in stock

H82948 - Upper Clean Grain Elevator Shaft
SKU: H82948
26 in stock

H77058 - Solid Cover; Clean Grain Auger
SKU: H77058
2 in stock

H75978 - Upper Tailings Elevator Shaft
SKU: H75978
16 in stock

H63578 - Clean Grain/ Return Grain Elevator Sprocket
SKU: H63578
70 in stock

H215085 - Vertical Gear Case Lower Auger Shaft
SKU: H215085
51 in stock

H149869 - Unloading Auger Bevel Gear
SKU: H149869
75 in stock

H137215 - Shoe Auger Drive Gear
SKU: H137215
770 in stock

H135235 - Elevator Chain Paddle
SKU: H135235
260 in stock

H135232 - Horizontal Gearcase Lower Auger Shaft
SKU: H135232
9 in stock

H132607 - Loading Auger Shaft
SKU: H132607
86 in stock

H128861 - "Donut" Auger Tube
SKU: H128861
28 in stock

H116292 - Unloading Auger Splined Coupling
SKU: H116292
10 in stock

H109736 - Chain; Clean Grain / Tailing Elevator Tightener
SKU: H109736
Out of stock

H108576 - Clean Grain/ Return Grain Elevator Sprocket
SKU: H108576
55 in stock

AN15237 - Idler Assy
SKU: AN15237
84 in stock

AH98211 - Front Tank Cross Auger
SKU: AH98211
8 in stock

AH98118 - Seal
SKU: AH98118
26 in stock
