John Deere SE6620 Tractor Parts
SE6620 parts and accessories
The John Deere SE6620, manufactured between 2003 and 2007, was a popular choice for farmers needing a reliable utility tractor. Powered by a robust 99 HP John Deere diesel engine, the SE6620 delivered ample power for a variety of tasks. Its 86 PTO horsepower made it well-suited for operating implements like mowers and balers, contributing to its popularity in hay and livestock operations.
The John Deere SE6620 was introduced in 2003 as part of the 6020 Series, replacing the earlier 6000 series. Production continued until 2007. The tractor is powered by a John Deere 4.5L 4-cylinder diesel engine producing 99 engine horsepower. This engine features a robust design known for its reliability. It uses direct fuel injection. The SE6620 features a standard SyncroPlus transmission offering 12 forward and 4 reverse gears, providing a range of speeds suitable for various field operations. The independent PTO delivers 86 horsepower, offering both 540 and 1000 RPM options. The hydraulic system has a capacity of 16.9 GPM, powering two rear remotes. The three-point hitch is a Category II, capable of lifting approximately 5,732 lbs. The SE6620 was commonly used in row crop applications, hay production, livestock feeding operations, and light tillage work. Compared to other models in the 6020 series, the SE6620 offered a balance of power and versatility, making it a popular choice for medium-sized farms.
Specifications
| Engine | John Deere 4.5L 99 HP Diesel |
|---|---|
| PTO HP | 86 HP @ 540/1000 RPM |
| Transmission | SyncroPlus 12F/4R |
| Hydraulics | 16.9 GPM, 2 remotes |
| 3-Point Hitch | Category II, 5,732 lbs |
| Fuel Capacity | 37 gallons |
| Weight | 9,921 lbs |
| Years Produced | 2003-2007 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 250 hours using the recommended John Deere oil and filter. Regularly check the oil level to prevent engine damage.
- Hydraulic System: Inspect hydraulic lines and fittings for leaks. Change the hydraulic fluid and filter every 1000 hours, or as recommended in the operator's manual, to maintain hydraulic performance and prevent contamination.
- Fuel System: Use clean, high-quality diesel fuel and regularly check the fuel filter for contamination. Drain any water from the fuel tank to prevent corrosion and injector issues.
- Seasonal Storage: Before storing the tractor for the off-season, fill the fuel tank to prevent condensation, add fuel stabilizer, and grease all lubrication points. Disconnect the battery and store it in a cool, dry place.
History & Background
The John Deere SE6620 was launched in 2003 as a part of the 6020 series, aiming to improve upon the previous 6000 series with enhanced features and performance. This tractor proved to be a popular utility tractor for medium-sized farming operations. The model remained largely unchanged during its production run, solidifying its reputation for reliability and versatility.
Frequently Asked Questions
What engine is in the John Deere SE6620?
The John Deere SE6620 is equipped with a John Deere 4.5L 4-cylinder diesel engine, producing 99 engine horsepower.
What is the PTO horsepower on a SE6620?
The PTO horsepower on the John Deere SE6620 is 86 HP, with both 540 and 1000 RPM options available.
What oil filter fits the SE6620?
The recommended oil filter for the John Deere SE6620 is a John Deere RE504836. Common cross-references include Baldwin B7349 and Wix 51793.
What are common parts needed for the SE6620?
Common wear parts for the John Deere SE6620 include: engine oil filters (RE504836), fuel filters (RE509672), hydraulic filters (RE62419), fan belts (R504899), hydraulic cylinder seal kits, and steering linkage components.

AL158332 - Rear PTO Solenoid Valve
SKU: AL158332
64 in stock

AL150750 - PTO Housing Seal
SKU: AL150750
124 in stock

RE43497 - Blower Switch
SKU: RE43497
522 in stock

R33259 - O-Ring (10 pk)
SKU: R33259
312 in stock

R113050 - O-Ring
SKU: R113050
143 in stock

R10093 - O-Ring
SKU: R10093
344 in stock

L79884 - Blower Motor Gasket
SKU: L79884
82 in stock

L79311 - Manifold Gasket
SKU: L79311
43 in stock

L114670 - O-Ring
SKU: L114670
16 in stock

AR59779 - Switch AC/HT Temp
SKU: AR59779
493 in stock

AR49960 - Sub To 220-256
SKU: AR49960
493 in stock

AL78494 - 5" pulley) Clutch - Nippondenso (8 groove
SKU: AL78494
14 in stock

AL39043 - Blower Motor Ass.
SKU: AL39043
642 in stock

AL224589 - Blower Motor Resistor
SKU: AL224589
40 in stock

AL207876 - Condenser. Vapor
SKU: AL207876
43 in stock

AL168231 - Switch Dual Press.
SKU: AL168231
143 in stock

AL162467 - Receiver/Drier
SKU: AL162467
141 in stock

AL157615 - Condenser
SKU: AL157615
93 in stock

AL155836 - Denso Style w/ Clutch New Compressor
SKU: AL155836
150 in stock

AL154203 - Denso Style w/ Clutch New Compressor
SKU: AL154203
150 in stock

AL110881 - Blower Motor Assy
SKU: AL110881
642 in stock

RE48092 - Inner Spline Transmission Disc
SKU: RE48092
785 in stock

RE47291 - Transmission Oil Pump Repair Kit
SKU: RE47291
238 in stock

RE43637 - Diff Lock Switch Actuator
SKU: RE43637
44 in stock
