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).

AL111676-N - NEW ALTERNATOR
SKU: AL111676-N
4 in stock

AL111676 - RE-MFG. ALTERNATOR
SKU: AL111676
36 in stock

AL111675-N - NEW ALTERNATOR
SKU: AL111675-N
7 in stock

AL110597 - Bosch Type - NEW DD CW 10T 3.1KW Starter; 12V
SKU: AL110597
Out of stock

L79611 - Draft Link Sleeve
SKU: L79611
54 in stock

L79610 - Draft Link Bushing
SKU: L79610
18 in stock

L79234 - Rockshaft Bushing
SKU: L79234
105 in stock

L77502 - Sway Block Mounting Pin
SKU: L77502
74 in stock

L77331 - Drawbar Support Bushing
SKU: L77331
466 in stock

L60404 - Rear Drawbar Support Pin
SKU: L60404
41 in stock

L40793 - Cat III To Cat II Bushing
SKU: L40793
8 in stock

L26943 - Draft Link Bushing (5/Pack) Pin
SKU: L26943
290 in stock

L203949 - 39.173" Long Drawbar
SKU: L203949
29 in stock

L168344 - Rockshaft
SKU: L168344
22 in stock

L158185 - Top Link/Lower Lift Link Pin
SKU: L158185
76 in stock

L156666 - Lower Lift Link Pin Strap
SKU: L156666
70 in stock

L100868 - Upper RH (Cat. II) Sway Block
SKU: L100868
43 in stock

L100867 - Upper LH (Cat. II) Sway Block
SKU: L100867
36 in stock

L100866 - (RH) Sway Block; Cat. II
SKU: L100866
30 in stock

L100865 - (LH) Sway Block; Cat. II
SKU: L100865
28 in stock

AL180110 - Drawbar Pin
SKU: AL180110
25 in stock

AL176767 - Rockshaft Position Sensor
SKU: AL176767
56 in stock

AL176473 - Cat. II Top Link Assembly
SKU: AL176473
10 in stock

AL161388 - Rockshaft Control Valve Spacer
SKU: AL161388
29 in stock
