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John Deere 8520 Tractor Parts

8520 parts and accessories

The John Deere 8520 tractor, manufactured from 2002 to 2005, became a popular choice for farmers needing robust power. Equipped with a John Deere PowerTech 8.1L diesel engine producing around 260 engine horsepower, the 8520 also delivered approximately 225 PTO horsepower. Its reliable performance and versatile capabilities made it a workhorse for various agricultural tasks, especially row crop operations.

The John Deere 8520 was introduced in 2002 as part of the John Deere 8020 series, replacing the earlier 8010 series. Production continued through 2005. Powering the 8520 is a John Deere PowerTech 8.1L 6-cylinder turbocharged diesel engine rated at approximately 260 engine horsepower. This engine has a displacement of 496 cubic inches (8.1 liters). The available transmissions included a 16-speed PowerShift transmission for smooth gear changes under load, contributing to efficient field operations. The 8520 boasted a PTO horsepower rating of around 225 hp, available at 1000 RPM, providing ample power for implements. Its hydraulic system delivered a flow rate of approximately 41 GPM to run multiple hydraulic remotes, supporting a range of implements. The 3-point hitch is a Category III/IIIN, capable of lifting approximately 13,000 lbs, making it suitable for heavy tillage equipment. Farmers commonly used the 8520 in row crop applications such as planting, cultivating, and harvesting, as well as for hay production and heavy tillage operations. The 8520 distinguished itself from other models in the 8020 series through its higher horsepower rating and enhanced hydraulic capacity, making it a premium choice for demanding agricultural tasks.

Specifications

EngineJohn Deere PowerTech 260 HP 8.1L Diesel
PTO HP225 HP @ 1000 RPM
TransmissionPowerShift 16-speed
Hydraulics41 GPM, 4-5 remotes
3-Point HitchCategory III/IIIN, 13,000 lbs
Fuel Capacity150 gallons
Weight22,150 lbs
Years Produced2002-2005

Maintenance Tips

  • Check engine oil levels regularly (every 10 hours of operation) and change the oil and filter every 250 hours using John Deere-approved oil and filters.
  • Inspect hydraulic oil levels and filter condition every 50 hours; change hydraulic oil and filter every 1000 hours to prevent contamination and maintain optimal performance.
  • Use a fuel additive to prevent gelling in cold weather. Always drain water from the fuel/water separator. Clean or replace fuel filters as recommended in the operator's manual.
  • Before seasonal storage, completely fill the fuel tank, add fuel stabilizer, change engine oil, and grease all fittings. Disconnect the battery and store it in a cool, dry place.

History & Background

The John Deere 8520 was a key model in the 8020 series, introduced in 2002 to offer farmers a more powerful and technologically advanced tractor. It represented a significant advancement in tractor technology for the time, featuring improved engine performance, transmission options, and hydraulic capabilities, solidifying John Deere's position in the agricultural equipment market.

Frequently Asked Questions

What engine is in the John Deere 8520?

The John Deere 8520 is equipped with a John Deere PowerTech 8.1L 6-cylinder turbocharged diesel engine producing approximately 260 horsepower.

What is the PTO horsepower on a 8520?

The PTO horsepower rating for the John Deere 8520 is approximately 225 horsepower, available at 1000 RPM.

What oil filter fits the 8520?

The recommended oil filter for the John Deere 8520 is a John Deere filter part number RE504836. Cross-references include Wix 57202 and Fleetguard LF9009.

What are common parts needed for the 8520?

Common wear parts for the John Deere 8520 include engine oil filters (RE504836), fuel filters (RE522878), hydraulic filters (RE62419), fan belts, hydraulic cylinder seal kits, steering cylinder repair parts, and clutch components if applicable. Regularly inspect these components for wear and tear to ensure optimal performance.

Showing 25-48 of 371 products
RE527549 - Overhaul Gasket Set

RE527549 - Overhaul Gasket Set

SKU: RE527549

$505.28

26 in stock

RE522824 - Exhaust Gas Recirculation Sensor

RE522824 - Exhaust Gas Recirculation Sensor

SKU: RE522824

$39.10

79 in stock

RE522823 - Air Temperature Sensor

RE522823 - Air Temperature Sensor

SKU: RE522823

$48.92

270 in stock

RE522723 - Manifold Air Pressure Sensor

RE522723 - Manifold Air Pressure Sensor

SKU: RE522723

$101.90

149 in stock

RE516335 - Pressure Relief Valve

RE516335 - Pressure Relief Valve

SKU: RE516335

$170.33

168 in stock

RE515638 - Hand Primer

RE515638 - Hand Primer

SKU: RE515638

$53.69

60 in stock

RE515636 - Engine Restrictor
Out of Stock

RE515636 - Engine Restrictor

SKU: RE515636

$80.71

Out of stock

RE508156 - Low Compression Piston Piston Liner Kit

RE508156 - Low Compression Piston Piston Liner Kit

SKU: RE508156

$554.49

47 in stock

RE507076 - Engine Oil Pump

RE507076 - Engine Oil Pump

SKU: RE507076

$324.35

50 in stock

RE505265 - Roller Idler

RE505265 - Roller Idler

SKU: RE505265

$96.94

159 in stock

RE503528 - Piston Rings

RE503528 - Piston Rings

SKU: RE503528

$86.68

30 in stock

RE500917 - Torsional Damper

RE500917 - Torsional Damper

SKU: RE500917

$436.32

65 in stock

RE48419 - Temperature Sensor

RE48419 - Temperature Sensor

SKU: RE48419

$21.90

141 in stock

RE22764 - Rear Crankshaft Seal

RE22764 - Rear Crankshaft Seal

SKU: RE22764

$38.38

509 in stock

RE193648 - Belt Tensioner

RE193648 - Belt Tensioner

SKU: RE193648

$94.10

35 in stock

RE184034 - Belt Tensioner

RE184034 - Belt Tensioner

SKU: RE184034

$88.99

23 in stock

RE170084 - Belt; Accessory Tensioner

RE170084 - Belt; Accessory Tensioner

SKU: RE170084

$85.67

16 in stock

RE587968 - ILS Tie Rod Assembly

RE587968 - ILS Tie Rod Assembly

SKU: RE587968

$1151.38

162 in stock

RE587967 - ILS Ball Joint Axial

RE587967 - ILS Ball Joint Axial

SKU: RE587967

$543.89

160 in stock

RE583653 - ILS Suspension Tie Rod End

RE583653 - ILS Suspension Tie Rod End

SKU: RE583653

$381.29

25 in stock

RE580643 - ILS Suspension Ball Joint; Upper/Lower Control Arm
Out of Stock

RE580643 - ILS Suspension Ball Joint; Upper/Lower Control Arm

SKU: RE580643

$568.21

Out of stock

RE173541 - Tie Rod (LH)

RE173541 - Tie Rod (LH)

SKU: RE173541

$144.28

55 in stock

RE173540 - Tie Rod (RH)

RE173540 - Tie Rod (RH)

SKU: RE173540

$135.10

32 in stock

R28574 - Seal Retainer

R28574 - Seal Retainer

SKU: R28574

$11.49

7 in stock