John Deere 6600 Tractor Parts
6600 parts and accessories
The John Deere 6600 tractor, manufactured from 1972 to 1977, was a popular choice for farmers needing a reliable utility tractor. Powered by a robust 86 HP diesel engine, the 6600 delivered ample power for various tasks. Its 75 PTO horsepower made it well-suited for operating implements like mowers, balers, and rotary cutters, establishing it as a versatile workhorse on the farm.
The John Deere 6600 was introduced in 1972 as part of the 'Iron Horses' series, replacing earlier models and offering advancements in operator comfort and performance. Production continued until 1977. Under the hood, the 6600 features a John Deere 4045D 4.5L (276 cu in) four-cylinder diesel engine producing approximately 86 horsepower. This engine is known for its durability and fuel efficiency. The tractor came standard with a Syncro Range transmission, offering 8 forward and 4 reverse gears, providing a good range of speeds for various field operations. It delivered around 75 PTO horsepower, with a 540 RPM PTO shaft. The hydraulic system had a capacity of around 18 GPM, with typically two remote valves available. The 3-point hitch was a Category II, allowing for a wide range of implements to be used. The 6600 was commonly used for row crop work, hay production, livestock operations, and tillage. While similar to the 6400 and 6600, it offered more power than the smaller models in the lineup, making it suitable for heavier tasks.
Specifications
| Engine | John Deere 4045D 86 HP Diesel |
|---|---|
| PTO HP | 75 HP @ 540 RPM |
| Transmission | Syncro Range 8F/4R |
| Hydraulics | 18 GPM, 2 remotes |
| 3-Point Hitch | Category II, 4,300 lbs lift capacity |
| Fuel Capacity | 29 gallons |
| Weight | 7,800 lbs |
| Years Produced | 1972-1977 |
Maintenance Tips
- Change the engine oil and filter every 250 hours of operation using the recommended John Deere oil and filter to maintain optimal engine performance.
- Regularly inspect and maintain the hydraulic system, checking for leaks and changing the hydraulic fluid and filter according to the manufacturer's recommendations.
- Use clean, high-quality diesel fuel and replace the fuel filter at recommended intervals to prevent fuel system issues.
- Before storing the tractor for the off-season, drain the fuel tank or add a fuel stabilizer, grease all fittings, and store it in a dry location to prevent rust and corrosion.
History & Background
The John Deere 6600 was part of the 'Iron Horses' series introduced in the early 1970s, representing a significant upgrade in technology and comfort compared to earlier John Deere tractors. While there were no major redesigns during its production run, the 6600 solidified John Deere's reputation for building reliable and powerful farm equipment during that era.
Frequently Asked Questions
What engine is in the John Deere 6600?
The John Deere 6600 is equipped with a John Deere 4045D 4.5L (276 cu in) four-cylinder diesel engine, producing approximately 86 horsepower.
What is the PTO horsepower on a 6600?
The John Deere 6600 has a PTO horsepower rating of approximately 75 HP, operating at 540 RPM.
What oil filter fits the 6600?
The recommended oil filter for the John Deere 6600 is typically a John Deere part number AR52881 or equivalent. Common cross-references include Wix 51794 and Fram PH3593A. Always verify the correct filter using your tractor's serial number.
What are common parts needed for the 6600?
Common wear parts for the John Deere 6600 include engine oil filters, fuel filters, air filters, hydraulic filters, fan belts, hydraulic cylinder seal kits, steering components (tie rod ends, ball joints), and clutch parts. Also, replacement seats and lights are commonly needed.

R121682 - Transmission Front Cover Gasket
SKU: R121682
36 in stock

R116894 - Clutch Plate
SKU: R116894
30 in stock

R114215 - Clutch Plate
SKU: R114215
21 in stock

R108927 - Ring; Transmission Oil Pump; 12 MM Gear
SKU: R108927
65 in stock

R108925 - Transmisson Oil Pump Drive; 12 MM Gear
SKU: R108925
35 in stock

L78682 - Transmission Disc
SKU: L78682
9 in stock

L114091 - Brake Actuating (21.5MM Wide) Disc
SKU: L114091
8 in stock

L114053 - Brake Actuating (22MM Wide) Disc
SKU: L114053
13 in stock

L111978 - Brake Piston
SKU: L111978
10 in stock

AR94516 - Direct Drive Clutch Disc
SKU: AR94516
1086 in stock

AL204621 - Magnetic Pickup Sensor
SKU: AL204621
68 in stock

AL112982 - Brake Disc
SKU: AL112982
18 in stock

R98063 - Intake Valve (Std) Insert
SKU: R98063
90 in stock

R85363 - Head Bolt
SKU: R85363
10683 in stock

R81989 - Front Crankshaft Sleeve
SKU: R81989
323 in stock

R80724 - Cylinder Liner
SKU: R80724
10 in stock

R80136 - Oil Filler Cap
SKU: R80136
152 in stock

R80033 - Connecting Rod (2.750" Long) Capscrew
SKU: R80033
131 in stock

R79604 - Injector NUT
SKU: R79604
200 in stock

R71963 - Fuel Injector Tee Fitting
SKU: R71963
1950 in stock

R56188 - Piston Pin
SKU: R56188
11 in stock

R51726 - Cylinder Liner
SKU: R51726
10 in stock
R341952 - Transmission Filter Head Gasket
SKU: R341952
960 in stock

R28811 - Flywheel Ring Gear
SKU: R28811
274 in stock
