The 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 | |
Model | John Deere 8520 |
Length | 5,380 mm (211.8 in) |
Width | – |
Height | 3,100 mm (122 in) |
Wheel base | 2,980 mm (117.3 in) |
Weight | 10,795 kg (23,799 lbs) |
Fuel tank capacity | 605.6 liters (160 US gal.; 133.2 Imp. gal) |
Battery | Two 12V, CCA 925A |
Cabin type | Cab (standard) |
Engine | |
Engine model | John Deere |
Engine type | Four-stroke, liquid-cooled, inline |
Cylinders | 6 |
Fuel type | Diesel |
Displacement | 8.1 L, 8,128 cm2, (496.0 cu·in) |
Bore and stroke | 116.0 mm X 129.0 mm (4.57 in X 5.08 in) |
Compression ratio | 16.5:1 |
Horsepower | 339.7 PS (249.8 kW; 335 HP) at 2,200 rpm |
Starter | Electric |
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 | |
Chassis | 4×4 MFWD 4WD |
Steering type | Hydrostatic power |
Brakes | Hydraulic wet disc |
Front hubs | 4.0 l (4.23 US.qts, 3.52 Imp. qts) |
Front differential | 13.4 l (14.2 US.qts, 11.8 Imp. qts) |
Transmission model | John Deere PowerShift |
Transmission type | Full power shift with hydraulic wet disc clutch |
Gears | 16 forward and 4 reverse |
Speed | Forward: 39.9 kmh (24.8 mph) Reverse: 10.9 (6.8 mph) |
Transmission oil capacity | 150.0 L (39.6 US. gal, 33 Imp. gal.) |
Tires | |
Front tires | Ag: – |
Rear tires | Ag: 18.4R46 |
Three-Point Hitch | |
Caterogy | III/IIIN |
Control type | – |
Lift capacity (at ends) |
6,885 kg (15,180 lbs) 7,845 kg (17,300 lbs) |
Front Hitch | |
Caterogy | IIIN |
Lift capacity (at ends) | 4,990 kg (11,000 lbs) |
PTO (Power take-off shaft) | |
Rear PTO type | Independent with hydraulic wet disc clutch |
Rear PTO speed | 1,000 rpm |
Hydraulic system | |
Hydraulic type | Closed center pressure-flow compensated (PFC) |
Hydraulic capacity | 150.0 L (158.5 US. qt, 131.98 Imp. qt.) |
Pressure | 2900 psi (199.9 bar) |
Valves | 5 |
Pump flow | 30.0 gpm (113.6 lpm) |
Total flow |
33.0 gpm (125.0 lpm) 42.5 gpm (161.0 lpm) |