John Deere 4520
Production ended · 2WD
PTO power · claimed
120 hp
- Weight
- 14,175 lb
- Engines
- 1 Diesel
- Built
- 7,894
- Price new · 1972
- $11,600
Power
| Engine | no record |
|---|---|
| PTO | 120 hp claimed |
| PTO, tested | 123.4 hp |
| Drawbar | 107 hp claimed |
| Drawbar, tested | 111.2 hp |
| Listed power | 133 hp PTO basis |
Engines
| John Deere 6.6L 6-cyl dieselDiesel · 6 cyl | 404 ci |
|---|
Engine details
- John Deere 6.6L 6-cyl diesel
- Bore × stroke
- 4.25 in × 4.75 in
- Rated speed
- 2,200 rpm
- Compression
- 16.4:1
- Aspiration
- turbocharged diesel
- Cooling
- liquid-cooled inline
- Firing order
- 1-5-3-6-2-4
Transmissions
| John Deere Syncro-Rangepartially synchronized | 8F / 2R |
|---|---|
| John Deere Power Shiftfull power shift | 8F / 4R |
Transmission notes
John Deere Syncro-Range: Four shift stations with two gears each, plus reverse in the first two stations. Tractor must be stopped, and clutch used, to select one of the four shift stations. Shifting between gears in the station may be performed on the move by using the clutch.
John Deere Power Shift: Clutchless shifting on the move between all gears. Inching pedal for precise movements.
Weight
| Weight | 14,175 lb operating |
|---|---|
| Shipping | 12,285 lb |
| Ballasted | 17,995 lb |
Dimensions
| Wheelbase | 106.5 in |
|---|---|
| Length | 170.8 in |
| Width | 95.9 in |
| Height | 106 in |
| Front axle clearance | 23.8 in |
| Rear axle clearance | 31.1 in |
| Front tread, narrowest | 57.5 in |
| Front tread, widest | 83.3 in |
| Rear tread, narrowest | 63 in |
| Rear tread, widest | 107.5 in |
Capacities
| Fuel tank | 50 gal |
|---|---|
| Hydraulic system | 16 gal |
Hydraulics
| System | closed center |
|---|---|
| Pump flow | no record |
| Pressure | 2,250 psi |
| Remote valves | 1 to 3 |
Hitch
| Rear hitch category | III/II |
|---|---|
| Rear lift capacity | no record |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO speeds | 1000 |
| Clutch | dry disc (SyncroRange) |
Chassis
| Drive | 2WD |
|---|---|
| Steering | Power steering |
| Brakes | Differential hydraulic wet disc brakes |
| Differential lock | hydraulic rear |
| Cab | Open operator station. Optional Roll-Gard ROPS. Optional cab with heater |
Tires
| Front | 10.00-16 |
|---|---|
| Rear | 20.8-38 |
Electrical
| System voltage | 6 V |
|---|---|
| Batteries | 2 |
| Battery capacity | 172 Ah |
| Charging | alternator |
| Charging output | 55 A |
| Ground | negative |
Production
| Total built | 7,894 |
|---|---|
| Price new | $11,600 (1972) |
| Factories | Waterloo, Iowa, USA |
| Built by | John Deere |
Serial numbers
Serial number plate on the rear of the 4520.
| Year | First serial |
|---|---|
| 1969 | 1000 |
| 1970 | 7055 |
| Final | 8977 |
Literature
- New 120 H.P. 4520 Tractor John Deere, 1968
- Operator's Manual 4520 Row-Crop Tractor (OM-R4372) 1969
- Tractors 1918-1976 John Deere*
- Standard and 4-Wheel-Drive Tractors: 70 to 280 HP John Deere, 1970
- *Publication contains known errors.
Attachments
- front-end loader