John Deere 4520 (1969-1970)

John Deere 4520 (1969-1970)The John Deere 4520 is a 2WD/4WD row-crop tractor from the New Generation series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1969 to 1970. The JD 4520 is equipped with a 6.6 L six-cylinder turbocharged diesel engine and one of two transmissions: partially synchronized transmission with dry disc clutch and 8 forward and 2 reverse gears or full power shift transmission with wet disc clutch and 8 forward and 4 reverse gears.

The John Deere 4520 row-crop tractor used the John Deere diesel engine. It is a 6.6 L, 6,620 cm2, (404.0 cu·in) six-cylinder turbocharged diesel engine with 108.0 mm (4.25 in) of the cylinder bore and 121.0 mm (4.76 in) of the piston stroke. This engine produced 134.9 PS (99.2 kW; 133.0 HP) of maximum output power.

The John Deere 4520 is equipped with power steering, differential hydraulic wet disc brakes, open operator station (Roll-Gard ROPS or Cab with the heater was available as an option) and 189.3 liters (50 US gal.; 41.6 Imp. gal) fuel tank. The JD 4520 could be equipped with the John Deere 158 loader.

John Deere 4520 Specifications

General Specifications
ModelJohn Deere 4520
Length4,330 mm (170.5 in)
Width2,430 mm (95.7 in)
Height2,690 mm (105.9 in)
Wheel base2,700 mm (106.3 in)
Weight6,805 kg (15,002 lbs)
Fuel tank capacity189.3 liters (50 US gal.; 41.6 Imp. gal)
BatteryTwo 6V, 172Ah
Cabin typeOpen operator station. Roll-Gard ROPS or Cab with heater (optional)
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement6.6 L, 6,620 cm2, (404.0 cu·in)
Bore and stroke108.0 mm X 121.0 mm (4.25 in X 4.76 in)
Compression ratio16.4:1
Horsepower134.9 PS (99.2 kW; 133.0 HP)
Oil capacity:13.2 L (13.9 US. qt, 11.6 Imp. qt.)
Coolant capacity:26.5 L (28 US. qt, 23.3 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD or 4×4 MFWD 4WD
Steering typePower
BrakesDifferential hydraulic wet disc
Differential lockHydraulic rear
Transmission modelJohn Deere Syncro-Range
Transmission typePartially synchronized with dry disc clutch
Gears8 forward and 2 reverse
Speed Forward: 33.5 kmh (20.8 mph) Reverse: 10.3 (6.4 mph)
Transmission oil capacity68.1 L (18 US. gal, 15 Imp. gal.)
Transmission modelJohn Deere Power Shift
Transmission typeFull power shift with wet disc clutch
Gears8 forward and 4 reverse
Speed Forward: 33.8 kmh (21 mph) Reverse: 10.1 (6.3 mph)
Transmission oil capacity60.6 L (16 US. gal, 13.3 Imp. gal.)
Front tiresAg: 10.00-16
Rear tiresAg: 20.8-38
Three-Point Hitch
Control type
Lift capacity (at ends)
PTO (Power take-off shaft)
Rear PTO typeIndependent
Rear PTO speed1,000 rpm
Hydraulic system
Hydraulic typeClosed center
Pressure2250 psi (155.1 bar)
Valves1 to 3
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