John Deere 6520 Tractor Parts
6520 parts and accessories
The John Deere 6520 tractor, manufactured between 2002 and 2007, became a popular choice for farmers due to its versatility and reliability. Powered by a John Deere PowerTech 4.5L diesel engine producing approximately 110 horsepower, it offered ample power for a variety of tasks. With a PTO horsepower rating of around 90 HP, the 6520 was well-suited for operating implements of all sizes.
The John Deere 6520 was part of the John Deere 6020 series, introduced in 2002 as an upgrade to previous models. Production continued through 2007. At its heart lies the John Deere PowerTech 4.5L 4-cylinder diesel engine, delivering approximately 110 horsepower. This engine provided a good balance of power and fuel efficiency. The tractor came with several transmission options, including the PowrQuad transmission providing partially powershift gear changes. PTO horsepower is rated at around 90 HP, available with both 540 and 1000 RPM options, allowing for compatibility with a wide range of implements. Hydraulic capacity typically ranges around 22.5 GPM, and it often features 2 or 3 rear remote valves. The 3-point hitch is a Category II, offering a lift capacity of around 6,724 lbs. The 6520 found common applications in row crop operations, hay production, livestock farming, and light tillage work. Compared to smaller models in the 6020 series, the 6520 offered more power and hydraulic capacity, while remaining more compact and fuel-efficient than larger frame tractors.
Specifications
| Engine | John Deere PowerTech 110 HP 4.5L Diesel |
|---|---|
| PTO HP | 90 HP @ 540/1000 RPM |
| Transmission | PowrQuad, AutoQuad, or CommandQuad Partial Powershift |
| Hydraulics | 22.5 GPM, 2-3 remotes |
| 3-Point Hitch | Category II, 6724 lbs |
| Fuel Capacity | 42.3 gallons |
| Weight | 11,574 lbs |
| Years Produced | 2002-2007 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 250-300 hours, using the recommended John Deere oil specification or equivalent. Always replace the filter with a genuine John Deere filter or a high-quality aftermarket equivalent.
- Hydraulic System: Regularly check the hydraulic oil level and inspect for leaks. Change the hydraulic oil and filter every 1000-1200 hours, or according to the manufacturer's recommendations, to prevent contamination and maintain hydraulic system performance.
- Fuel System: Use high-quality diesel fuel and ensure the fuel filter is replaced every 500 hours. Drain any water or sediment from the fuel tank regularly to prevent fuel system issues and injector damage.
History & Background
The John Deere 6520 was introduced in 2002 as part of the 6020 series, replacing older models with updated styling and improved features. During its production run, some minor updates were implemented, focusing on electronics and operator comfort. The 6520 represents a significant step forward in tractor design, offering a blend of power, technology, and operator convenience that made it a popular choice among farmers.
Frequently Asked Questions
What engine is in the John Deere 6520?
The John Deere 6520 is equipped with a John Deere PowerTech 4.5L 4-cylinder diesel engine, producing approximately 110 horsepower.
What is the PTO horsepower on a 6520?
The PTO horsepower rating on the John Deere 6520 is approximately 90 HP. It is available with both 540 and 1000 RPM PTO speed options.
What oil filter fits the 6520?
The John Deere 6520 typically uses a John Deere oil filter part number RE504836. Common cross-references include Wix 57202 or Baldwin BD7153.
What are common parts needed for the 6520?
Common wear parts for the John Deere 6520 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic cylinder seal kits, steering components like tie rod ends, and clutch parts if equipped with a manual transmission.

AL150750 - PTO Housing Seal
SKU: AL150750
124 in stock

T143169 - Ring
SKU: T143169
70 in stock

RE190340 - Sensor/ Transducer
SKU: RE190340
32 in stock

RE174764 - Control Valve
SKU: RE174764
161 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

AR45867 - Receiver Drier
SKU: AR45867
35 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

AL219020 - Expansion Valve
SKU: AL219020
27 in stock

AL207876 - Condenser. Vapor
SKU: AL207876
43 in stock

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

AL163559 - Receiver/Drier
SKU: AL163559
17 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

AL117294 - RH Exhaust Muffler
SKU: AL117294
14 in stock
