John Deere 4520
1969 - 1970
New Generation Series Row-Crop tractor
Series map:
4520
133.3hp*
*Estimated engine power for comparison only.
Production
Manufacturer John Deere
Row-Crop tractor
Built in Waterloo, Iowa, USA
Total built 7,894
  1,666 (Powershift)
  6,228 (Synchro range)
Original price was $11,600 in 1972
The 4520 was the first Deere tractor with a factory-installed turbocharger. Early versions suffered serious problems with the air cleaner and fuel injectors.
John Deere 4520 Power
Drawbar (claimed) 107 hp79.8 kW
PTO (claimed) 120 hp89.5 kW
Drawbar (tested) 111.21 hp82.9 kW
PTO (tested) 123.39 hp92.0 kW
Performance test details ...
Mechanical
Drive 4x2 2WD
  4x4 HFWD 4WD
Differential lock hydraulic rear
Power steering
Differential hydraulic wet disc brakes
Open operator station. Optional Roll-Gard ROPS. Optional cab with heater.
Capacity
Fuel 50 gal189.2 L
Hydraulic system 16 gal (PowerShift)60.6 L
  18 gal (SyncroRange)68.1 L
Hydraulics
Type closed center
Capacity 16 gal (PowerShift)60.6 L
  18 gal (SyncroRange)68.1 L
Pressure 2250 psi155.1 bar
Valves 1 to 3
Tractor hitch
Rear Type III/II
Power Take-off (PTO)
Rear PTO independent
Clutch dry disc (SyncroRange)
  wet disc (PowerShift)
Rear PTO Type 1000
Electrical
Ground negative
Charging system alternator
Charging amps 55
  72 (with A/C)
Batteries 2
Battery volts 6
Battery AH 172
References
New 120 H.P. 4520 Tractor published in 1968, by John Deere
Operator's Manual 4520 Row-Crop Tractor (OM-R4372) published in 1969
Tractors 1918-1976 published by John Deere*
Standard and 4-Wheel-Drive Tractors: 70 to 280 HP published in 1970, by John Deere
*Publication contains known errors.
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Updated on March 19, 2023
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