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Tractor · 2002Unverified

John Deere 8520

Name: John Deere 8520
Brand: John Deere

John Deere 8520 — Row-Crop tractor · 305 hp. Reference specifications; pending source verification.

The John Deere 8520 is a tractor with a rated power output of approximately 305 hp, positioning it at the more powerful end of its class. This model was produced from 2002 to 2005. It features a 6-cylinder turbocharged diesel liquid-cooled engine, paired with a hydrostatic transmission and four-wheel drive. The tractor's operating weight ranges from 23050 to 23800 pounds, making it suitable for operations covering 1,500+ acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

305 hp

Max power

218.4 kW

Weight

23050 to 23800 pounds

Catalogue coverage

Variants represented

Richest spec table

103 rows

Recorded power

305 hp

Transmissions

16-speed full power shift

Production years

2002-2005

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference

Row-Crop tractorReference

Built in Waterloo, Iowa, USAReference

Four-wheel driveReference

Steeringhydrostatic powerReference

Hydraulic wet disc brakesReference

Cab standard.Reference

Variants

8520wheeled tractorReference

8520TcrawlerReference

Engine

John Deere 8.1L 6-cyl dieselReference

Engine (gross)227.4 kWReference

Engine (net)220.0 kWReference

Engine (max)249.8 kWReference

Drawbar (tested)167.9 kWReference

John DeereReference

turbocharged dieselReference

6-cylinderReference

liquid-cooled inlineReference

Displacement8.1 LReference

Bore/Stroke116 x 129 mmReference

Rated Power (net)220.0 kWReference

Rated Power (gross)227.4 kWReference

Maximum Power (net)242.4 kWReference

Maximum Power (gross)249.8 kWReference

Fuel systemelectronic high-pressure common rail (HPCR)Reference

Air cleanerdry with secondary elementReference

Compression16.5:1Reference

Rated RPM2200Reference

Idle RPM900-2300Reference

Operating RPM1500-2200Reference

Starter volts12Reference

Coolant capacity34.0 LReference

Oil capacity30.9 LReference

Oil change250 hReference

Max power218.4 kWReference

Power at rated engine speed191.3 kWReference

Max power167.9 kWReference

Transmission

16-speed full power shiftReference

TransmissionJohn Deere PowerShiftReference

Typefull power shiftReference

Gears16 forward and 4 reverseReference

Clutchhydraulic wet discReference

Oil capacity149.9 LReference

Full power shift transmission with single shift lever with display on cab corner post. Tractor begins in 7 (forward) and 2 (reverse) on start up. Clutch pedal may be used to pre-select a gear by holding clutch and pressing lever until desired gear is reached. Automatic PowerShift (APS) allows automated shifting to match load.Reference

PTO & Hydraulics

PTO (claimed)190.2 kWReference

PTO (tested)218.4 kWReference

Hydraulic system149.9 LReference

Typeclosed center pressure-flow compensated (PFC)Reference

Capacity149.9 LReference

Pressure200.0 barReference

Valves5Reference

SCV flow113.6 lpmReference

Total flow126.8 lpmReference

Total flow160.9 lpmReference

Rear TypeIII/IIINReference

Rear lift6885 kgReference

Rear lift7847 kgReference

Front HitchIIINReference

Front lift4989 kgReference

Rear PTOindependentReference

Clutchhydraulic wet discsReference

Rear PTO Type1000 (1.75)Reference

Engine RPM1000@2200Reference

Capacities

Fuel605.6 LReference

Front hubs4.0 LReference

Front diff.13.4 LReference

Dimensions

Wheelbase298 cmReference

Weight23050 to 23800 poundsReference

Rear tire18.4R46Reference

Ag rear18.4R46Reference

Length538 cmReference

Height (cab)310 cmReference

Front axle4WDReference

Front axleIndependent Link SuspensionReference

Rack-and-pinion rear axle119 by 3009 mmReference

4WD Front tread152 to 203 cmReference

ILS Front tread152 to 223 cmReference

Shipping10455 kgReference

Operating10795 kgReference

Max Drawbar2222 kgReference

Max Drawbar4536 kgReference

8520 Serial Numbers

Location:Rear of tractor.Reference

20021001Reference

200310001Reference

200420001Reference

200530001Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps150Reference

Batteries2Reference

Battery CCA925Reference

Battery volts12Reference

Test results

Diesel 16-speed 4WDMay 2 - 31, 2002Link: OCED Tractor Test 1801 fileReference

PTO performanceReference

Fuel use60.9 l/hourReference

Fuel use56.8 l/hourReference

Drawbar performanceReference

Fuel use56.4 l/hourReference

Gear 8 used for power test.Reference

Max pull16153 kgReference

Gear 3 used for pull test.Reference

Speeds

With 18.4R46 rear tires.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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