John Deere SE6420 Tractor Parts
SE6420 parts and accessories
The John Deere SE6420 tractor, manufactured from approximately 2003 to 2007, quickly became a favorite among farmers. Powered by a robust John Deere PowerTech diesel engine, offering around 90-100 horsepower, this model delivered ample power for various tasks. Its impressive PTO horsepower made it exceptionally well-suited for operating a wide range of implements, boosting productivity in the field.
The John Deere SE6420 was part of the John Deere's 6020 series, produced from the early to mid-2000s. This series was designed to offer farmers a blend of power, versatility, and modern features. The SE6420 typically features a John Deere PowerTech 4.5L 4-cylinder turbocharged diesel engine, producing around 90-100 horsepower. This engine provides ample torque for demanding agricultural applications. Transmission options often included a SyncroPlus transmission with various speed configurations (e.g., 12F/4R, 24F/8R). PTO horsepower is typically around 75-85 HP, with options for both 540 and 1000 RPM PTO speeds, depending on the specific configuration. Hydraulic capacity is usually around 15-20 GPM, often with two or three rear remote valves. The 3-point hitch is typically a Category II, providing substantial lift capacity for various implements. Common farming applications for the SE6420 include row crop work (planting, spraying, cultivation), hay production (mowing, baling, raking), livestock operations (feeding, manure spreading), and light tillage. Compared to larger models in the 6020 series, the SE6420 offered a more compact size and maneuverability, making it well-suited for smaller farms and operations requiring versatility in tight spaces.
Specifications
| Engine | John Deere PowerTech 4.5L 90-100 HP Diesel |
|---|---|
| PTO HP | 75-85 HP @ 540/1000 RPM |
| Transmission | SyncroPlus, 12F/4R or 24F/8R |
| Hydraulics | 15-20 GPM, 2-3 remotes |
| 3-Point Hitch | Category II, 5,000 lbs lift capacity |
| Fuel Capacity | 37 gallons |
| Weight | 9,000 lbs |
| Years Produced | 2003-2007 (Approx.) |
Maintenance Tips
- Regularly check and change the engine oil and filter according to the manufacturer's recommended intervals (typically every 250-500 hours). Use the recommended oil type and a high-quality oil filter.
- Inspect and maintain the hydraulic system, including checking fluid levels, inspecting hoses for leaks, and changing hydraulic filters as needed. Contaminated hydraulic fluid can damage components.
- Keep the fuel system clean by using clean fuel and changing the fuel filter regularly. Water and sediment in the fuel can cause engine problems.
- Before seasonal storage, drain fluids, grease all fittings, and protect tires from sunlight. Consider using fuel stabilizer to prevent fuel degradation during storage.
History & Background
The John Deere SE6420 was introduced in the early 2000s as part of the 6020 series, a line of tractors designed to provide modern features and reliable performance. It represented a significant step forward in tractor technology for its time, offering enhanced operator comfort and improved efficiency. The SE6420 is remembered for its versatility and ability to handle a wide range of farming tasks.
Frequently Asked Questions
What engine is in the John Deere SE6420?
The John Deere SE6420 typically uses a John Deere PowerTech 4.5L 4-cylinder turbocharged diesel engine producing around 90-100 horsepower.
What is the PTO horsepower on a SE6420?
The PTO horsepower on the John Deere SE6420 is typically around 75-85 HP, with options for both 540 and 1000 RPM PTO speeds.
What oil filter fits the SE6420?
Common oil filter cross-references for the John Deere SE6420 include John Deere part number RE504836 or aftermarket equivalents from brands like Wix, Fram, or Baldwin. Always verify compatibility with your specific tractor's serial number.
What are common parts needed for the SE6420?
Common wear parts for the SE6420 include engine oil filters, fuel filters, hydraulic filters, air filters, belts (fan, alternator), hydraulic cylinder seal kits, steering components (tie rod ends, ball joints), and clutch parts (if applicable).

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