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John Deere 8520

John Deere 8520 tractor
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The John Deere 8520 is a row-crop tractor produced from 2002 to 2005 as part of the 8020 Series. It features a powerful 8.1L 6-cylinder turbocharged diesel engine delivering up to 335 hp gross power. The tractor is equipped with a 16-speed full power shift John Deere PowerShift transmission and four-wheel drive with hydrostatic power steering. It offers advanced hydraulics with a closed center pressure-flow compensated system and multiple valve options. The 8520 includes a standard cab, hydraulic wet disc brakes, and a variety of hitch and PTO options. Built in Waterloo, Iowa, USA, it is designed for heavy-duty agricultural tasks with robust capacity and performance.
John Deere 8520tractorspecificationsenginetransmissionhydraulicsfarm tractor8020 Series
Power305 hp
Founded2002 - 2005
Model8520

Technical Specifications

Detailed specifications and technical data for John Deere 8520

Power

Engine (max):335 hp (249.8 kW)
Engine (net):295 hp (220.0 kW)
PTO (tested):292.88 hp (218.4 kW)
PTO (claimed):255 hp (190.2 kW)
Engine (gross):305 hp (227.4 kW)
Drawbar (tested):225.13 hp (167.9 kW)

Tires

Rear:18.4R46

Engine

Type:turbocharged diesel
Idle RPM:900-2300
Cylinders:6-cylinder
Rated RPM:2200
Air cleaner:dry with secondary element
Bore/Stroke:4.56x5.06 inches (116 x 129 mm)
Fuel system:electronic high-pressure common rail (HPCR)
Displacement:496 ci (8.1 L)
Manufacturer:John Deere
Oil capacity:32.7 qts (30.9 L)
Configuration:liquid-cooled inline
Operating RPM:1500-2200
Starter volts:12
Coolant capacity:35.9 qts (34.0 L)
Compression ratio:16.5:1
Rated Power (net):295 hp (220.0 kW)
Maximum Power (net):325 hp (242.4 kW)
Oil change interval:250 h
Rated Power (gross):305 hp (227.4 kW)
Maximum Power (gross):335 hp (249.8 kW)

Weight

Shipping:23,050 lbs (10455 kg)
Operating:23,800 lbs (480/80R46 duals) (10795 kg)
Max Drawbar:4,900 lbs (2222 kg)
Max Drawbar (with HD support):10,000 lbs (4536 kg)

Capacity

Fuel:160 gal (605.6 L)
Front hubs:4.2 qts (4.0 L)
Front diff.:14.2 qts (13.4 L)
Hydraulic system:39.6 gal (149.9 L)

Variants

8520:wheeled tractor
8520T:crawler

Dimensions

Length:211.9 inches (538 cm)
Wheelbase:117.7 inches (298 cm)
Front axle:4WD, Independent Link Suspension
Height (cab):122.2 inches (310 cm)
4WD Front tread:60 to 80 inches (152 to 203 cm)
ILS Front tread:60 to 88 inches (152 to 223 cm)
Rack-and-pinion rear axle:4.724 by 118.5 inches (119 by 3009 mm)

Electrical

Ground:negative
Batteries:2
Battery CCA:925
Battery volts:12
Charging amps:150
Charging system:alternator

Hydraulics

Type:closed center pressure-flow compensated (PFC)
Valves:5
Capacity:39.6 gal (149.9 L)
Pressure:2900 psi (200.0 bar)
SCV flow:30 gpm (113.6 lpm)
Total flow:33.5 gpm (126.8 lpm) With standard 45cc pump
Optional flow:42.5 gpm (160.9 lpm) Optional 57cc pump

Mechanical

Cab:standard
Drive:Four-wheel drive
Brakes:Hydraulic wet disc brakes
Steering:hydrostatic power

Production

Type:Row-Crop tractor
Series:8020 Series
Built in:Waterloo, Iowa, USA
Years produced:2002 - 2005

Transmission

Type:John Deere PowerShift
Gears:16 forward and 4 reverse
Clutch:hydraulic wet disc
Features: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.
Description:full power shift
Oil capacity:158.4 qts (149.9 L)

Tractor hitch

Rear Type:III/IIIN
Rear lift:15180 lbs (6885 kg)
Front lift:11000 lbs (4989 kg)
Front Hitch:IIIN Optional
Rear lift (optional):17300 lbs (7847 kg)

Serial Numbers

2002:1001
2003:10001
2004:20001
2005:30001
Location:Rear of tractor

Power Take-off (PTO)

Clutch:hydraulic wet discs
Rear PTO:independent
Engine RPM:1000@2200
Rear PTO Type:1000 (1.75)

Related Models

John Deere 8530

Model:8530

John Deere 8420

Model:8420