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.

R247733 - Greasable Bushing; Steering Cylinder
SKU: R247733
114 in stock

R112154 - Steering Cylinder Pin
SKU: R112154
92 in stock

R111774 - Steering Column Pivot Bushing
SKU: R111774
299 in stock

H146227 - Steering Cylinder Bushing
SKU: H146227
114 in stock

AHC11572 - Hydraulic Cylinder Rod Seal Kit
SKU: AHC11572
215 in stock

RE54029 - Double Ball Joint
SKU: RE54029
57 in stock

N209668 - T-Handle Knob
SKU: N209668
146 in stock

BE23519 - Mounting Bracket Kit
SKU: BE23519
10 in stock

RE554015 - Thermostat
SKU: RE554015
102 in stock

RE549153 - Water Pump
SKU: RE549153
20 in stock

RE549117 - Water Pump
SKU: RE549117
4 in stock

RE539840 - Coolant Pressure Sensor
SKU: RE539840
175 in stock

RE52722 - Water Temperature Sensor
SKU: RE52722
19 in stock

RE521502 - Water Pump Kit
SKU: RE521502
37 in stock

RE518097 - Belt Tensioner
SKU: RE518097
276 in stock

RE505264 - Pulley Assembly
SKU: RE505264
358 in stock

RE42139 - Coolant Heater Element
SKU: RE42139
115 in stock

RE33705 - 180° Thermostat
SKU: RE33705
254 in stock

RE312969 - Surge Tank Filler Cap
SKU: RE312969
297 in stock

RE232483 - Fan Drive Idler Pulley
SKU: RE232483
26 in stock

R88397 - Water Manifold Outlet (2/Pack) Gasket
SKU: R88397
126 in stock
R536677 - Alternator Belt
SKU: R536677
43 in stock
R533664 - Alt Sub to 655K8 Belt
SKU: R533664
80 in stock

R335491 - Fan Drive Wear Ring
SKU: R335491
186 in stock
