John Deere 9520 Tractor Parts
The John Deere 9520, manufactured from 2003 to 2006, is a powerful articulated 4WD tractor known for its robust performance in demanding agricultural applications. Powered by a John Deere 12.5L diesel engine producing approximately 375 horsepower, this tractor delivers substantial power for tillage, planting, and heavy hauling. Its high PTO horsepower made it a favorite for operating large implements and optimizing productivity in large-scale farming operations.
The John Deere 9520 was introduced as part of John Deere's high-horsepower tractor lineup, designed to meet the needs of large-acreage farmers seeking maximum productivity. Production ran from 2003 to 2006. Under the hood lies a John Deere 12.5L (764 cu in) six-cylinder diesel engine, rated at 375 horsepower, providing the muscle needed for demanding field work. The engine is turbocharged and intercooled for enhanced performance and efficiency. The transmission is a 12-speed powershift, allowing for smooth and efficient gear changes on the go. The PTO horsepower is rated at approximately 315 HP, available in 1000 RPM. The hydraulic system boasts a high capacity, delivering around 43 GPM to power implements and attachments. The 3-point hitch is a Category IV, capable of lifting heavy loads. The 9520 found common use in row crop farming for primary tillage like plowing and disking, as well as for pulling large planters. It also served well in hay production for pulling large mowers and balers, and in livestock operations for tasks like manure spreading. Distinguishing it from other models in the lineup, the 9520 offered a balance of power and maneuverability, making it a versatile choice for diverse agricultural needs.
Specifications
| Engine | John Deere 12.5L 375 HP Diesel |
|---|---|
| PTO HP | 315 HP @ 1000 RPM |
| Transmission | Powershift 12F/2R |
| Hydraulics | 43 GPM, 4 remotes |
| 3-Point Hitch | Category IV, 17,200 lbs lift |
| Fuel Capacity | 200 gallons |
| Weight | 39,000 lbs |
| Years Produced | 2003-2006 |
Maintenance Tips
- Check and change the engine oil and filter every 250 hours of operation, using the recommended John Deere oil specification to ensure optimal engine lubrication.
- Inspect hydraulic fluid levels regularly and replace the hydraulic filters every 500 hours to maintain clean and efficient hydraulic system performance.
- Periodically drain any water accumulation from the fuel tank and replace the fuel filters every season to prevent fuel system contamination and maintain optimal engine performance.
- Before seasonal storage, thoroughly clean the tractor, lubricate all grease fittings, and protect electrical connections to prevent corrosion during the off-season.
History & Background
The John Deere 9520 was introduced in 2003 as a key model in their articulated 4WD tractor range. It represented a significant advancement in power and technology for farmers seeking to maximize efficiency on large operations. Its reliable performance and high horsepower contributed to its popularity and lasting impact in modern agriculture.
Frequently Asked Questions
What engine is in the John Deere 9520?
The John Deere 9520 is powered by a John Deere 12.5L (764 cu in) six-cylinder diesel engine producing 375 horsepower.
What is the PTO horsepower on a 9520?
The PTO horsepower on the John Deere 9520 is approximately 315 HP, available at 1000 RPM.
What oil filter fits the 9520?
The John Deere 9520 typically uses a John Deere oil filter part number RE504836. Cross-references include Baldwin BD7152 and Wix 51791.
What are common parts needed for the 9520?
Common parts needed for the John Deere 9520 include engine oil filters, fuel filters, hydraulic filters, air filters, belts, hydraulic seals, steering cylinders, and clutch components.

RE533910 - Spin-on Fuel Filter
SKU: RE533910
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RE531703 - Fuel Separator Filter
SKU: RE531703
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RE522372 - Spin-on Fuel Filter
SKU: RE522372
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RE509672 - Cartridge Lube Filter
SKU: RE509672
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RE333569 - Recirculation Cab Air Filter
SKU: RE333569
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RE333567 - Cab Fresh Air (Activated Carbon) Filter
SKU: RE333567
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RE284091 - Cab Air Filter
SKU: RE284091
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RE24619 - Outer Air Filter
SKU: RE24619
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RE199682 - Cab Air Filter
SKU: RE199682
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RE199681 - Cab Air Filter
SKU: RE199681
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RE187966 - Cab Air Filter
SKU: RE187966
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N378886 - Water Separator Fuel Filter
SKU: N378886
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LF9010J - Lube (QTY 1) Filter
SKU: LF9010J
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LF9010 - Lube (QTY 6) Filter
SKU: LF9010
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HF6684 - Hydraulic (QTY 1) Filter
SKU: HF6684
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HF6553 - Spin-On (QTY 1) Hydraulic Filter
SKU: HF6553
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HF6552 - Spin-On (QTY 1) Hydraulic Filter
SKU: HF6552
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FS1093J - Water Separator Spin-On (QTY 1) Filter
SKU: FS1093J
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FS1093 - Water Separator Spin-On (QTY 6) Filter
SKU: FS1093
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FS1091J - Water Separator Spin-On (QTY 1) Filter
SKU: FS1091J
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FS1091 - Water Separator Spin-On (QTY 6) Filter
SKU: FS1091
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FF5716J - Cartridge (QTY 1) Fuel Filter
SKU: FF5716J
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FF5716 - Cartridge (QTY 6) Fuel Filter
SKU: FF5716
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FF5506J - Spin-On (QTY 1) Fuel Filter
SKU: FF5506J
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