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.

RE183369 - Transmission Control Valve Solenoid
SKU: RE183369
62 in stock

RE168641 - Rear Axle Shaft Seal
SKU: RE168641
158 in stock

R560248 - Drive Clamp Ring Hub
SKU: R560248
59 in stock

R53169 - Transmission / Hydraulic Oil Pump; Nylon Screen
SKU: R53169
158 in stock

R46391 - Input Planetary Plate
SKU: R46391
180 in stock

R39322 - Clutch / Brake Sealing Ring
SKU: R39322
130 in stock

R168163 - Rear Axle Bushing
SKU: R168163
40 in stock

JD8177 - Bearing Cone
SKU: JD8177
31 in stock

AT117908 - Clutch Disc
SKU: AT117908
1086 in stock

AR94519 - PTO Clutch Assembly Disc
SKU: AR94519
368 in stock
R91889 - Valve (12 halves) Lock
SKU: R91889
7368 in stock

R69045 - Connecting Rod Bushing
SKU: R69045
46 in stock

R54500 - Turbo Mounting; Stainless Steel (4 pack) Screw
SKU: R54500
604 in stock

R529640 - Exhaust Pipe Gasket
SKU: R529640
493 in stock

R526831 - Exhaust Recycling Valve Gasket
SKU: R526831
221 in stock

R51936 - Injector Lines Grommet
SKU: R51936
12010 in stock

R518376 - Engine Oil Pump Tube
SKU: R518376
156 in stock

R502598 - Valve Cover Seal
SKU: R502598
71 in stock

R28811 - Flywheel Ring Gear
SKU: R28811
274 in stock

R130573 - Intake Manifold Gasket
SKU: R130573
77 in stock

R114083 - Connecting Rod Capscrew
SKU: R114083
280 in stock

MX1062 - Oil Pump (Crank Driven) Repair Kit
SKU: MX1062
50 in stock

DZ123152 - EGR Valve
SKU: DZ123152
66 in stock

DZ121770 - DEF Dosing Unit EVO Pump
SKU: DZ121770
255 in stock
