John Deere 8520: all source data

All 83 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
ManufacturerJohn Deere
(no label)Row-Crop tractor
(no label)Built in Waterloo, Iowa, USA
Engine
(no label)John Deere 8.1L 6-cyl diesel
Transmission
(no label)16-speed full power shift
Power
Engine (gross)305 hp | 227.4 kW
Engine (net)295 hp | 220.0 kW
Engine (max)335 hp | 249.8 kW
PTO (claimed)255 hp | 190.2 kW
Drawbar (tested)225.13 hp | 167.9 kW
PTO (tested)292.88 hp | 218.4 kW
Mechanical
(no label)Four-wheel drive
Steeringhydrostatic power
(no label)Hydraulic wet disc brakes
(no label)Cab standard.
Capacity
Fuel160 gal | 605.6 L
Hydraulic system39.6 gal | 149.9 L
Front hubs4.2 qts | 4.0 L
Front diff.14.2 qts | 13.4 L
Hydraulics
Typeclosed center pressure-flow compensated (PFC)
Capacity39.6 gal | 149.9 L
Pressure2900 psi | 200.0 bar
Valves5
SCV flow30 gpm | 113.6 lpm
Total flow33.5 gpm | 126.8 lpm
Total flow42.5 gpm | 160.9 lpm
Hitch
Rear TypeIII/IIIN
Rear lift15180 lbs | 6885 kg
Rear lift17300 lbs | 7847 kg
Front HitchIIIN
Front lift11000 lbs | 4989 kg
Pto
Rear PTOindependent
Clutchhydraulic wet discs
Rear PTO Type1000 (1.75)
Engine RPM1000@2200
Dimensions
Wheelbase117.7 inches | 298 cm
Weight23050 to 23800 pounds
Rear tire18.4R46
Electrical
Groundnegative
Charging systemalternator
Charging amps150
Batteries2
Battery CCA925
Battery volts12

Engine

Engine detail
(no label)John Deere
(no label)turbocharged diesel
(no label)6-cylinder
(no label)liquid-cooled inline
Displacement496 ci | 8.1 L
Bore/Stroke4.56x5.06 inches | 116 x 129 mm
Rated Power (net)295 hp | 220.0 kW
Rated Power (gross)305 hp | 227.4 kW
Maximum Power (net)325 hp | 242.4 kW
Maximum Power (gross)335 hp | 249.8 kW
Fuel systemelectronic high-pressure common rail (HPCR)
Air cleanerdry with secondary element
Compression16.5:1
Rated RPM2200
Idle RPM900-2300
Operating RPM1500-2200
Starter volts12
Coolant capacity (Coolant)35.9 qts | 34.0 L
Engine oil
Oil capacity32.7 qts | 30.9 L
Oil change250 h

Transmission

Transmission
TransmissionJohn Deere PowerShift
Typefull power shift
Gears16 forward and 4 reverse
Clutchhydraulic wet disc
Oil capacity158.4 qts | 149.9 L
(no label)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.

Dimensions

Tires
Ag rear18.4R46
Dimensions
Wheelbase117.7 inches | 298 cm
Length211.9 inches | 538 cm
Height (cab)122.2 inches | 310 cm
Front axle4WD
Front axleIndependent Link Suspension
Rack-and-pinion rear axle (Rack-and-pinion)4.724 by 118.5 inches | 119 by 3009 mm
4WD Front tread60 to 80 inches | 152 to 203 cm
ILS Front tread60 to 88 inches | 152 to 223 cm
Weight
Shipping23,050 lbs | 10455 kg
Operating23,800 lbs (480/80R46 duals) | 10795 kg
Max Drawbar4,900 lbs | 2222 kg
Max Drawbar10,000 lbs (with HD support) | 4536 kg