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).

RE23286 - PTO Clutch Disc
SKU: RE23286
775 in stock

RE151059 - Clutch Disc
SKU: RE151059
395 in stock

R96805 - Clutch Plate
SKU: R96805
98 in stock

R95378 - Transmission Plate
SKU: R95378
69 in stock

R39322 - Clutch / Brake Sealing Ring
SKU: R39322
130 in stock

R341959 - Reverse Brake Housing Gasket
SKU: R341959
1149 in stock

R209938 - Planetary Brake; B1 & B2 (PowrQuad Transmission) Plate
SKU: R209938
101 in stock

R158521 - Planetary Brake Housing (6/Pack) O-Ring
SKU: R158521
138 in stock

R124438 - Reverse Brake Housing Bushing
SKU: R124438
331 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

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

L111978 - Brake Piston
SKU: L111978
10 in stock

L100242 - Planetary Pinion Carrier
SKU: L100242
15 in stock

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

AL223210 - Range Shift (C&D) Cable
SKU: AL223210
117 in stock

AL204621 - Magnetic Pickup Sensor
SKU: AL204621
68 in stock

AL112765 - Range Shift (A&B) Cable
SKU: AL112765
132 in stock

AL111498 - Brake Disc
SKU: AL111498
126 in stock

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

R98062 - Intake (Std) Valve
SKU: R98062
76 in stock

R97492 - Exhaust (.015") Valve
SKU: R97492
257 in stock

R97490 - Intake (.015") Valve
SKU: R97490
77 in stock
R91889 - Valve (12 halves) Lock
SKU: R91889
7368 in stock
