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John Deere 7020-7520

73JD7520b
Manufacturer
Models
John Deere 7020, John Deere 7520
Years
1970-75
Info

In the early 1970s the 7020 and 7520—introduced then—were John Deere’s first in-house frame-steered tractors since the early ’60s. Their narrow design provided excellent visibility and a tight turning radius. Unlike other large tractors of the era, these JDs were equipped with a power take-off. Both models had turbocharged, intercooled engines: the 7020 displacing 6.6 litres and the 7520 8.7 litres. A shuttle gearbox offered 16 forward and 4 reverse gears. The cab was still fairly basic and the clutch was dry.

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Technical data
ModelJohn Deere 7020John Deere 7520
Manufacturer nameJohn DeereJohn Deere
Imported to FinlandNoNo
Years1970-751971-75
Cyl/Turbo/Intercooler6TI6TI
Displacement6620 cm³8698 cm³
Bore x stroke108×120,7 mm120,7×127 mm
Rated power175 (146 PTO)/2200 hp DIN/rpm175 PTO/2100 hp DIN/rpm
Gears16+416+4
Synchronized gears16+416+4
Powershift gears2-step2-step
Speeds in km/h3,6-34,33,3-36,0
Max. speed 38.8 km/h42.8 km/h
Hydr. flow l/min83.3 l/min-
Lift controlsmech.mech.
PTO speeds10001000
Brakeswet discwet disc
Steeringhydrost.hydrost.
Turning circle m 4WD10.611.16
Front tyres 4WD18.4-3423.1-30
Rear tyres 4WD18.4-3423.1-30
Weight 4WD6577 kg7616 kg
Height with cab297 cm312 cm
Length (2WD/4WD)550 cm559 cm
Wheelbase (2WD/4WD)305 cm318 cm
Fuel tank591 l591 l
Cab noise level98 dB87.5 dB