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.

RE66271 - Piston Rings
SKU: RE66271
6 in stock

RE65967 - Piston Liner Kit
SKU: RE65967
24 in stock

RE527832 - Upper Gasket Set
SKU: RE527832
26 in stock

RE519115 - Valve; Intake/Exhaust Seal
SKU: RE519115
340 in stock

RE507287 - Injector Nozzle
SKU: RE507287
55 in stock

RE506195 - Taper Nose Crankshaft
SKU: RE506195
Out of stock

T20073 - Camshaft Follower
SKU: T20073
57 in stock

T20034 - Upper Bushing
SKU: T20034
42 in stock

T20006 - Exhaust Manifold Gasket
SKU: T20006
2169 in stock

T122075 - Oil Cooler (2 PK) O-Ring
SKU: T122075
64 in stock

RE70358 - Metric Filter Head
SKU: RE70358
175 in stock

RE68748 - Leak Off Tube
SKU: RE68748
128 in stock

RE66153 - Fuel Transfer Pump
SKU: RE66153
Out of stock

RE66085 - Upper Gasket Set
SKU: RE66085
3 in stock

RE66082 - Upper Gasket Set
SKU: RE66082
23 in stock

RE65969 - Piston Liner Kit
SKU: RE65969
48 in stock

RE65966 - Piston Liner Kit
SKU: RE65966
19 in stock

RE65912 - Thrust (.010") Bearing
SKU: RE65912
76 in stock

RE65911 - Main (.010") Bearing
SKU: RE65911
688 in stock

RE65909 - Connecting Rod (.010") Bearing
SKU: RE65909
95 in stock

RE65908B - Connecting Rod (.020") Bearing
SKU: RE65908B
3 in stock

RE65908 - Connecting Rod (Std) Bearing
SKU: RE65908
8912 in stock

RE65836 - Water Temp Sender Switch
SKU: RE65836
85 in stock

RE65168B - Thrust (.020") Bearing
SKU: RE65168B
15 in stock
