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.

H203950 - Bearing Housing
SKU: H203950
33 in stock

H116274 - Concave Retainer
SKU: H116274
12 in stock

H113627 - Planet Pinion Shaft
SKU: H113627
1 in stock

AH90841 - Rear Stone Trap Separator
SKU: AH90841
29 in stock

AH171838 - Concave Level Assy. Bolt
SKU: AH171838
4 in stock

AH113442 - Concave (13 Bars "Titan" Style)
SKU: AH113442
2 in stock

LB218 - 3 Long Prong Forged Guard
SKU: LB218
20 in stock

JD9452 - Ball Bearing
SKU: JD9452
11 in stock

JD9202 - Bearing (RH)
SKU: JD9202
473 in stock

JD8819 - Needle Bearing
SKU: JD8819
18 in stock

JD10011 - Bearing (LH)
SKU: JD10011
65 in stock

JD10010 - Ball Bearing
SKU: JD10010
41 in stock

H98655 - Bushing
SKU: H98655
4 in stock

H93927 - Feeder Conveyor Shaft Bearing Housing
SKU: H93927
86 in stock

H85241 - Finger Guide
SKU: H85241
1870 in stock

H84497 - Feeder House Slat
SKU: H84497
37 in stock

H33332 - Reel Finger (RH)
SKU: H33332
260 in stock

H33316 - Reel Tooth
SKU: H33316
355 in stock

H168994 - Reverser Gearbox 1st & 2nd Planet Pinion
SKU: H168994
72 in stock

H166216 - Reverser Gearbox Input w/ Lube Slots Gear
SKU: H166216
30 in stock

H148133 - Rear Engine Mount Cup Bearing
SKU: H148133
61 in stock

H148132 - Cushion Bushing
SKU: H148132
112 in stock

H132328 - Reverser Gearbox Shifter Collar
SKU: H132328
6 in stock

H118583-S - Split Feederhouse Sprocket
SKU: H118583-S
47 in stock
