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.

R26282 - Durometer 70 (4/Pack) .139" Thick O-Ring; 2.109" ID X 2.387" OD
SKU: R26282
136 in stock

R222761 - Durometer 90 (1/Pack) O-Ring; 1.239" ID X 1.379" OD
SKU: R222761
773 in stock

R21722 - Durometer 90 (5/Pack) .139" Thick O-Ring; .796" ID X 1.074" OD
SKU: R21722
135 in stock

R163559 - Durometer 75 (5/Pack) .070" Thick O-Ring; .739" ID X .879" OD
SKU: R163559
655 in stock

R1225R - Durometer 75 (5/ Pack) O-Ring; 1.171" ID X 1.449" OD X .139" Thick
SKU: R1225R
565 in stock

P42061 - Durometer 75 (5/Pack) .070" Thick O-Ring; .864" ID X 1.004" OD
SKU: P42061
105 in stock

H133106 - Snap (1/Pack) Ring
SKU: H133106
684 in stock

F3353R - Durometer 75 (10/Pack) O-Ring; .362" ID X .568" OD X .103" Thick
SKU: F3353R
720 in stock

F1870R - Durometer 70 (5/Pack) O-Ring; 2.234" ID X 2.512" OD X .139" Thick
SKU: F1870R
655 in stock

51M7090 - Durometer 75 O-Ring; .528" ID X .716" OD X .094" Thick
SKU: 51M7090
861 in stock

38H5035 - Elbow Fitting
SKU: 38H5035
94 in stock

R199163 - Alternator Belt
SKU: R199163
10 in stock

RE578425 - Rear Axle Bearing
SKU: RE578425
175 in stock

WL9235 - Oval Flood Amber LED Work Lamp
SKU: WL9235
145 in stock

WL8196KT - 10 Lights LED Light Kit
SKU: WL8196KT
2 in stock

WL7550 - LH/RH Amber LED Warning Light
SKU: WL7550
255 in stock

WL5500 - Amber LED Warning Light
SKU: WL5500
241 in stock

WL5360 - RH/LH Flood / Spot Combo LED Work Lamp
SKU: WL5360
16 in stock

WL4743 - Oval Flood LED Work Lamp
SKU: WL4743
166 in stock

WL1370 - Oval Hi / Low Flood LED Work Lamp
SKU: WL1370
155 in stock

WL1360 - Oval Flood LED Worklamp
SKU: WL1360
40 in stock

WL1250 - Oval Flood LED Worklamp
SKU: WL1250
Out of stock

RE573609 - LED; Flood Work Lamp
SKU: RE573609
261 in stock

RE331642 - LED; Oval Work Lamp
SKU: RE331642
375 in stock
