John Deere 7520 (1972-1975)

John Deere 7520 (1972-1975)The John Deere 7520 is a 2WD four-wheel drive tractor manufactured by John Deere in Waterloo, Iowa, USA from 1972 to 1975. The JD 7520 is equipped with a 8.7 L (531.0 cu·in) six-cylinder diesel engine and one of two transmissions: a partially synchronized transmission with 8 forward and 2 reverse gears or a partially synchronized transmission with 16 forward and 4 reverse gears.

The JD 7520 four-wheel drive used the John Deere engine. It is a 8.7 L, 8,701 cm2, (531.0 cu·in) six-cylinder turbocharged intercooled diesel engine with 121.0 mm (4.76 in) of the cylinder bore and 127.0 mm (5 in) of the piston stroke. The compression ratio rating is 15.4:1. This engine produced 177.5 PS (130.5 kW; 175 HP) at 2,100 rpm of output power.

The John Deere 7520 is equipped with hydrostatic power steering, integral hydraulic wet disc brakes, cab, and 590.5 liters (156 US gal.; 129.9 Imp. gal) fuel tank.

John Deere 7520 Specifications

General Specifications
ModelJohn Deere 7520
Length5,580 mm (219.7 in)
Width2,430 mm (95.7 in)
Height3,120 mm (122.8 in)
Wheel base3,040 mm (119.7 in)
Weight (shipping)7,615 kg (16,800 lbs)
Fuel tank capacity590.5 liters (156 US gal.; 129.9 Imp. gal)
BatteryTwo 6V, 204 Ah
Cabin typeCab
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement8.7 L, 8,701 cm2, (531.0 cu·in)
Bore and stroke121.0 mm X 127.0 mm (4.76 in X 5 in)
Compression ratio15.4:1
Horsepower177.5 PS (130.5 kW; 175.0 HP) at 2,100 rpm
Oil capacity:24.6 L (26 US. qt, 21.6 Imp. qt.)
Coolant capacity:37.9 L (40 US. qt, 33.3 Imp. qt.)
Transmission and chassis
Chassis4×4 articulated 4WD
Steering typeHydrostatic power
BrakesIntegral hydraulic wet disc
Transmission modelSyncro-Range
Transmission typePartially synchronized
Gears8 forward and 2 reverse
Speed Forward: 31.3 kmh (19.5 mph) Reverse: 11.0 kmh (6.8 mph)
Transmission oil capacity71.9 L (19 US. gal, 15.8 Imp. gal.)
Transmission modelSyncro-Range Hi-Lo
Transmission typePartially synchronized
Gears16 forward and 4 reverse
Speed Forward: 36.0 kmh (22.4 mph) Reverse: 12.6 kmh (7.8 mph)
Transmission oil capacity71.9 L (19 US. gal, 15.8 Imp. gal.)
Front tires Ag: 18.4-34, 23.1-30
Rear tires Ag: 18.4-34, 23.1-30
PTO (Power take-off shaft)
Rear PTO typeTransmission
Rear PTO speed1,000 rpm
Hydraulic system
Hydraulic typeClosed center
Hydraulic capacity71.9 L (19 US. gal, 15.8 Imp. gal.)
Pressure2250 psi (155.1 bar)
Pump flow21.0 gpm (79.5 lpm)
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