John Deere 6600 Combine Parts
The John Deere 6600 combine, manufactured from 1972 to 1978, was a popular and reliable workhorse for many farmers. Powered by a robust John Deere diesel engine producing around 105 horsepower, it offered header widths up to 20 feet, making it suitable for various field sizes. Its conventional separator design provided efficient threshing and separation, establishing the 6600 as a valued machine in grain harvesting.
The John Deere 6600 combine was introduced in 1972 and remained in production until 1978. It was designed as a versatile and dependable combine for small to medium-sized farms. The 6600 is powered by a John Deere 404 cubic inch (6.6L) diesel engine, producing approximately 105 horsepower. Its conventional threshing system features a 40-inch wide cylinder and walkers for grain separation. The grain tank capacity is around 85 bushels. The unloading auger is a standard speed auger which unloaded at around 30-40 bu/min. Available header widths ranged from 13 to 20 feet, accommodating different crop and field conditions. Optional equipment included straw chopper and spreader attachments to manage residue. The cab offered basic controls and visibility for operator comfort. The 6600 was well-regarded for its ability to efficiently harvest wheat, soybeans, and corn in various field conditions.
Specifications
| Engine | John Deere 404 CID 105 HP Diesel |
|---|---|
| Separator Type | Conventional - 40-inch Cylinder |
| Grain Tank | 85 bushels |
| Unloading Rate | 30-40 bu/min |
| Header Widths | 13-20 ft |
| Fuel Capacity | 55 gallons |
| Weight | Approx. 13,000 lbs |
| Years Produced | 1972-1978 |
Maintenance Tips
- Concave Adjustment: Regularly check and adjust the concave clearance to ensure proper threshing and minimize grain damage. Consult the operator's manual for recommended settings based on the crop being harvested.
- Belt and Chain Tension: Inspect all belts and chains for wear and proper tension. Loose or worn belts/chains can cause slippage, reduced performance, and potential damage.
- Sieve and Chaffer Cleaning: Clean the sieves and chaffer regularly to prevent buildup of debris, which can reduce cleaning efficiency and increase grain loss.
- Bearing Greasing: Lubricate all bearings according to the manufacturer's recommendations. Proper lubrication extends bearing life and prevents premature failure. Pay close attention to header bearings, as these are often exposed to dust and moisture.
History & Background
The John Deere 6600 combine was introduced in 1972 as a successor to earlier models and aimed to provide a more efficient and reliable harvesting solution. It offered improvements in engine power and header width. The 6600's robust design and performance contributed to its popularity and cemented its place in the history of John Deere combines.
Frequently Asked Questions
What engine is in the John Deere 6600?
The John Deere 6600 is powered by a John Deere 404 cubic inch (6.6L) diesel engine, producing approximately 105 horsepower.
What is the grain tank capacity on a 6600?
The grain tank capacity on a John Deere 6600 is approximately 85 bushels, and the unloading rate is around 30-40 bushels per minute.
What type of separator does the 6600 have?
The John Deere 6600 utilizes a conventional separator system, featuring a 40-inch wide cylinder and walkers for grain separation.
What are common parts needed for the 6600?
Commonly needed parts for the John Deere 6600 include concaves, rasp bars, belts, chains, bearings, auger fingers, and sickle sections. These are wear parts that need periodic replacement to maintain optimal performance.

H203950 - Bearing Housing
SKU: H203950
33 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

N104147 - Coupler Sprocket
SKU: N104147
2 in stock

JDC-ADAPTER - Head Adapter
SKU: JDC-ADAPTER
416 in stock

JD9452 - Ball Bearing
SKU: JD9452
11 in stock

JD9407 - Bearing
SKU: JD9407
112 in stock

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

JD10007 - Ball Bearing
SKU: JD10007
11 in stock

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

H86088 - Upper Feeder House Shaft
SKU: H86088
22 in stock

H85895 - Feeder House Slat
SKU: H85895
16 in stock

H76631 - Feeder Conveyor Idler Shaft
SKU: H76631
18 in stock

H121435 - Upper Feeder House Sprocket
SKU: H121435
24 in stock

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

H118583 - Upper Feeder House Sprocket
SKU: H118583
137 in stock

H115230 - Lower Feeder House Shaft
SKU: H115230
20 in stock

H102469 - Seperator Plate
SKU: H102469
11 in stock

H102194 - Feeder House Lower Shaft
SKU: H102194
10 in stock

AN102383 - Coupler Chain
SKU: AN102383
279 in stock

AN102382 - Coupler Sprocket
SKU: AN102382
104 in stock

AH88598 - Lower Front Feeder House Bottom
SKU: AH88598
8 in stock

AH84645 - Feeder House Roller
SKU: AH84645
1 in stock
