John Deere 4520

John Deere 4520 tractor photo
1969 - 1970
New Generation Series
Row-Crop tractor
Series map:
*Estimated engine power for comparison only.
ManufacturerJohn Deere
Row-Crop tractor
Built in Waterloo, Iowa, USA
Total built7,894
 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 Engine
John Deere 6.6L 6-cyl diesel
Engine details ...
John Deere 4520 Transmissions
8-speed partially synchronized
8-speed full power shift
Transmission details ...
John Deere 4520 Power
Drawbar (claimed)107 hp
79.8 kW
PTO (claimed)120 hp
89.5 kW
Drawbar (tested)111.21 hp
82.9 kW
PTO (tested)123.39 hp
92.0 kW
Performance test details ...
Drive4x2 2WD
 4x4 HFWD 4WD
Differential lockhydraulic rear
Power steering
Differential hydraulic wet disc brakes
Open operator station. Optional Roll-Gard ROPS. Optional cab with heater.
Fuel50 gal
189.3 L
Hydraulic system16 gal (PowerShift)
60.6 L
 18 gal (SyncroRange)
68.1 L
Typeclosed center
Capacity16 gal (PowerShift)
60.6 L
 18 gal (SyncroRange)
68.1 L
Pressure2250 psi
155.1 bar
Valves1 to 3
Tractor hitch
Rear TypeIII/II
Power Take-off (PTO)
Rear PTOindependent
Clutchdry disc (SyncroRange)
 wet disc (PowerShift)
Rear RPM1000
Dimensions & Tires
Wheelbase106.5 inches
270 cm
Weight12285 to 14175 pounds
Front tire10.00-16
Rear tire20.8-38
Full dimensions and tires ...
4520 Serial Numbers
Location:Serial number plate on the rear of the 4520.

FAQ: How to read a serial number table.
Charging systemalternator
Charging amps55
 72 (with A/C)
Battery volts6
Battery AH172
4520 references literature
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
Page information
Peter Easterlund - owner of
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Peter Easterlund - owner/author
Updated on March 19, 2023 - Official operator manuals for purchase or download from Deere.
©2000-2023 -®. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.