John Deere 8520

John Deere 8520The John Deere 8520 is a 4WD row-crop tractor from the 8020 series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 2002 to 2005. The John Deere 8520 is equipped with an 8.1 L (496.0 cu·in) six-cylinder diesel engine and a full power shift transmission with hydraulic wet disc clutch and 16 forward and 4 reverse gears.

The John Deere 8520 row-crop tractor used the John Deere engine. It is a 8.1 L, 8,128 cm2, (496.0 cu·in) six-cylinder turbocharged diesel engine with 116.0 mm (4.57 in) of the cylinder bore and 129.0 mm (5.08 in) of the piston stroke. The compression ratio rating is 16.5:1. This engine produced 339.7 PS (249.8 kW; 335.0 HP) at 2,200 rpm of maximum output power.

The JD 8520 is equipped with hydrostatic power steering, hydraulic wet disc brakes, cab (standard), and 605.6 liters (160 US gal.; 133.2 Imp. gal) fuel tank.

John Deere 8520 Specifications

General Specifications
ModelJohn Deere 8520
Length5,380 mm (211.8 in)
Height3,100 mm (122 in)
Wheel base2,980 mm (117.3 in)
Weight10,795 kg (23,799 lbs)
Fuel tank capacity605.6 liters (160 US gal.; 133.2 Imp. gal)
BatteryTwo 12V, CCA 925A
Cabin typeCab (standard)
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement8.1 L, 8,128 cm2, (496.0 cu·in)
Bore and stroke116.0 mm X 129.0 mm (4.57 in X 5.08 in)
Compression ratio16.5:1
Horsepower339.7 PS (249.8 kW; 335 HP) at 2,200 rpm
Oil capacity:30.9 L (32.7 US. qt, 27.2 Imp. qt.)
Coolant capacity:34.0 L (35.9 US. qt, 29.9 Imp. qt.)
Transmission and chassis
Chassis4×4 MFWD 4WD
Steering typeHydrostatic power
BrakesHydraulic wet disc
Front hubs4.0 l (4.23 US.qts, 3.52 Imp. qts)
Front differential13.4 l (14.2 US.qts, 11.8 Imp. qts)
Transmission modelJohn Deere PowerShift
Transmission typeFull power shift with hydraulic wet disc clutch
Gears16 forward and 4 reverse
Speed Forward: 39.9 kmh (24.8 mph) Reverse: 10.9 (6.8 mph)
Transmission oil capacity150.0 L (39.6 US. gal, 33 Imp. gal.)
Front tiresAg:
Rear tiresAg: 18.4R46
Three-Point Hitch
Control type
Lift capacity (at ends) 6,885 kg (15,180 lbs)
7,845 kg (17,300 lbs)
Front Hitch
Lift capacity (at ends)4,990 kg (11,000 lbs)
PTO (Power take-off shaft)
Rear PTO typeIndependent with hydraulic wet disc clutch
Rear PTO speed1,000 rpm
Hydraulic system
Hydraulic typeClosed center pressure-flow compensated (PFC)
Hydraulic capacity150.0 L (158.5 US. qt, 131.98 Imp. qt.)
Pressure2900 psi (199.9 bar)
Pump flow30.0 gpm (113.6 lpm)
Total flow 33.0 gpm (125.0 lpm)
42.5 gpm (161.0 lpm)
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