John Deere 6525 Tractor Parts
6525 parts and accessories
The John Deere 6525 tractor, manufactured between 2003 and 2007, was a popular choice for farmers needing a reliable utility tractor. Powered by a John Deere PowerTech 4.5L diesel engine producing around 99 engine horsepower, this model offered a practical balance of power and fuel efficiency. Its robust design and approximately 83 PTO horsepower made it well-suited for a variety of farm tasks.
The John Deere 6525 was introduced in 2003 as part of the 6020 series, replacing earlier models and offering improved features and performance. Production continued through 2007. It's powered by a John Deere PowerTech 4045T 4.5L 4-cylinder turbocharged diesel engine, delivering approximately 99 engine horsepower. The engine displacement is 276 cubic inches. Transmission options included a SyncroPlus transmission with 12 forward and 4 reverse gears, or a PowrQuad transmission with 16 forward and 16 reverse gears. PTO horsepower is rated at approximately 83 HP, offering both 540 and 1000 RPM options depending on configuration. The hydraulic system provides a flow rate of around 21.1 GPM to the remotes. It features a Category II 3-point hitch with a lift capacity of approximately 5,622 lbs. Common farming applications included row crop work, hay production, livestock operations, and light tillage. Compared to smaller models in the John Deere lineup, the 6525 offered more power and hydraulic capacity, while remaining a versatile and maneuverable utility tractor. The availability of different transmission options allowed farmers to choose the best fit for their specific needs and operating conditions. Its robust design and reliable engine contributed to its popularity among farmers.
Specifications
| Engine | John Deere PowerTech 99 HP 4.5L Diesel |
|---|---|
| PTO HP | 83 HP @ 540/1000 RPM |
| Transmission | SyncroPlus/PowrQuad, 12x4/16x16 |
| Hydraulics | 21.1 GPM, Up to 3 remotes |
| 3-Point Hitch | Category II, 5,622 lbs Lift Capacity |
| Fuel Capacity | 37 gallons |
| Weight | 8,995 lbs |
| Years Produced | 2003-2007 |
Maintenance Tips
- Engine Oil & Filter: Change the engine oil and filter every 250 hours of operation using the recommended John Deere engine oil and filter. Regular oil changes are crucial for maintaining engine health.
- Hydraulic System: Inspect hydraulic fluid levels regularly and change the hydraulic filter every 500 hours. Using the correct John Deere hydraulic fluid is essential for proper system performance and longevity.
- Fuel System: Use clean, high-quality diesel fuel and replace the fuel filter annually or every 500 hours. Drain any water accumulated in the fuel/water separator regularly to prevent fuel system issues.
- Seasonal Storage: Before storing the tractor for the off-season, fill the fuel tank to prevent condensation, change the engine oil and filter, and grease all lubrication points. Disconnect the battery and store it in a cool, dry place.
History & Background
The John Deere 6525 was launched in 2003 as part of the updated 6020 series, providing a modern and powerful utility tractor option. It represented a significant step forward in terms of operator comfort and features compared to its predecessors. The 6525 played a vital role in supporting diverse farming operations across North America during its production run.
Frequently Asked Questions
What engine is in the John Deere 6525?
The John Deere 6525 is equipped with a John Deere PowerTech 4045T 4.5L 4-cylinder turbocharged diesel engine producing approximately 99 horsepower.
What is the PTO horsepower on a 6525?
The John Deere 6525 has a PTO horsepower rating of approximately 83 HP. It typically offers both 540 and 1000 RPM PTO speed options.
What oil filter fits the 6525?
The recommended oil filter for the John Deere 6525 is a John Deere filter part number RE504836. Cross-references include Wix 51794 and Baldwin B7349.
What are common parts needed for the 6525?
Common wear parts for the John Deere 6525 include engine oil filters, fuel filters, hydraulic filters, air filters, belts (fan and alternator belts), hydraulic cylinder seals, steering components (tie rod ends), and clutch parts (if applicable).

RE516335 - Pressure Relief Valve
SKU: RE516335
168 in stock

RE515636 - Engine Restrictor
SKU: RE515636
Out of stock

RE508317 - W/ Adjusting Screw Rocker Arm
SKU: RE508317
Out of stock

RE505921 - Taper Nose Crankshaft
SKU: RE505921
12 in stock

RE504914 - Engine Oil Pump
SKU: RE504914
29 in stock

RE500608 - Fracture Type Connecting Rod
SKU: RE500608
10 in stock

RE48818 - Piston Rings
SKU: RE48818
29 in stock

RE31617 - Valve Seal
SKU: RE31617
647 in stock

RE31323 - Valve Rotator
SKU: RE31323
74 in stock

R80135 - Oil Filler Cap Gasket
SKU: R80135
29 in stock

L76471 - MFWD Pivot Bushing
SKU: L76471
163 in stock

AR26480 - Seal
SKU: AR26480
90 in stock

AL178284 - RH / LH Tie Rod Ball Joint
SKU: AL178284
169 in stock

AL178283 - LH / RH Tie Rod End Outer
SKU: AL178283
144 in stock

AL113460 - Tie Rod Boot
SKU: AL113460
38 in stock

U41966 - Durometer 75 (4/Pack) .103" Thick O-Ring; 1.424" ID X 1.630" OD
SKU: U41966
269 in stock

R76617 - Durometer 75 (5/Pack) .070" Thick O-Ring; .489" ID X .629" OD
SKU: R76617
280 in stock

R61105 - Durometer 75 (1/Pack) .139" Thick O-Ring; 1.484" ID X 1.762" OD
SKU: R61105
1270 in stock

L209135 - Durometer 65 (1/Pack) .110" Thick O-Ring; 1.063" ID X 1.283" OD
SKU: L209135
346 in stock

51M7103 - 75 Durometer (2/Pack) O-Ring; 1.102" ID X 1.276" OD X .087" Thick
SKU: 51M7103
632 in stock

51M7102 - 90 Durometer (5/Pack) O-Ring; .787" ID X .945" OD X .079" Thick
SKU: 51M7102
820 in stock

51M7100 - 90 Durometer (2/Pack) O-Ring; .984" ID X 1.142" OD X .079" Thick
SKU: 51M7100
576 in stock

51M7099 - 75 Durometer (5/Pack) O-Ring; .984" ID X 1.158" OD X .087" Thick
SKU: 51M7099
860 in stock

40M7066 - External Snap; 5/Pack Ring
SKU: 40M7066
1330 in stock
