John Deere 4520

John Deere 4520 Row-Crop tractor Technical Specifications

John Deere 4520 is a Row-Crop tractor that was produced by the John Deere between 1969 – 1970.

Below you will find detailed technical specifications for John Deere 4520 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

John Deere 4520 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

Engine: 111.21 hp
82.9 kW
PTO (tested) 123.39 hp
92.0 kW

John Deere 4520 Electrical

Ground negative
Charging system alternator
Charging amps 55
  72 (with A/C)
Batteries 2
Battery volts 6
Battery AH 172

John Deere 4520 Mechanical

Drive 4×2 2WD
  4×4 HFWD 4WD
Differential lock hydraulic rear
Power steering
Differential hydraulic wet disc brakes
Open operator station. Optional Roll-Gard ROPS. Optional cab with heater.


Fuel 50 gal
189.3 L
Hydraulic system 16 gal (PowerShift)
60.6 L
  18 gal (SyncroRange)
68.1 L


Type closed center
Capacity 16 gal (PowerShift)
60.6 L
  18 gal (SyncroRange)
68.1 L
Pressure 2250 psi
155.1 bar
Valves 1 to 3

Tracktor Hitch

Rear Type III/II

Power Take-off (PTO)

Rear PTO independent
Clutch dry disc (SyncroRange)
  wet disc (PowerShift)
Rear RPM 1000

John Deere 4520 Engine detail

Engine Detail
John Deere
turbocharged diesel
liquid-cooled inline
Displacement 404 ci
6.6 L
Bore/Stroke 4.25×4.75 inches
108 x 121 mm
Air cleaner dry
Pre-heating ether injection
  crankcase heater OptOptional
  coolant heater OptOptional
Compression 16.4:1
Rated RPM 2200
Idle RPM 800-2200
Operating RPM 1500-2200
Firing order 1-5-3-6-2-4
Starter volts 12
Coolant capacity 28 qts
26.5 L
Intake valve clearance 0.018 inches
0.457 mm
Exhaust valve clearance 0.022 inches
0.559 mm

Engine Oil
Oil capacity 14 qts
13.2 L
Oil change 100 h

John Deere 4520 Engine

John Deere 4520 Transmission overview

Transmission John Deere Syncro-Range
Type partially synchronized
Gears 8 forward and 2 reverse
Clutch dry disc
Oil capacity 72 qts
68.1 L
Oil type
John Deere 303
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 4520 Dimensions

Wheelbase 106.5 inches
270 cm
Length 170.75 inches
433 cm
Width 95.9 inches
243 cm
Height 106 inches
269 cm
Height (steering wheel) 87 inches
220 cm
Clearance (front axle) 23.8 inches
60 cm
Clearance (rear axle) 31.1 inches
78 cm
Clearance (drawbar) 17.8 inches
45 cm
Rear axle 95.8 inch length
2433 mm
Rear axle 108 inch length
2743 mm
Rear axle 118 inch length
2997 mm
Front tread 57.5 to 83.25 inches
146 to 211 cm
Rear tread 63 to 107.5 inches
160 to 273 cm

John Deere 4520 Weight
15,000 lbs
6804 kg
Shipping 12285 lbs
5572 kg
Operating 14175 lbs
6429 kg
Ballasted 17995 lbs
8162 kg

John Deere 4520 Tests

Nebraska Tractor Test 1014

Nebraska Tractor Test 1014
Diesel Power Shift 2WD
June 3 – 10, 1969
Link: Nebraska Tractor Test 1014 file
PTO performance
Power at rated engine speed 122.36 hp
91.2 kW
Fuel use 8.1 gal/hour
30.7 l/hour
Power at rated PTO speed 115.44 hp
86.1 kW
Fuel use 7.4 gal/hour
28.0 l/hour
Drawbar performance
Max power 107.76 hp
80.4 kW
Fuel use 8.0 gal/hour
30.3 l/hour
Gear 4 used for power test.
Max pull 13,790 lbs
6255 kg

Nebraska Tractor Test 1015

Nebraska Tractor Test 1015
Diesel Synchro-Range 2WD
June 3 – 10, 1969
Link: Nebraska Tractor Test 1015 file
PTO performance
Power at rated engine speed 123.39 hp
92.0 kW
Fuel use 7.9 gal/hour
29.9 l/hour
Power at rated PTO speed 115.22 hp
85.9 kW
Fuel use 7.2 gal/hour
27.3 l/hour
Drawbar performance
Max power 111.21 hp
82.9 kW
Fuel use 8.2 gal/hour
31.0 l/hour
Gear 4 used for power test.
Max pull 13,221 lbs
5997 kg
Gear 2 used for pull test.


Is John Deere 4520 a good tractor?

The John Deere 4520 is one of the great tractors in the John Deere stable, and it has earned John Deere a fantastic reputation.

How much oil does a John Deere 4520 take?

Check out the John Deere 4520 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year John Deere made the ?

The John Deere 4520 was an agricultural tractor model made from 1969 – 1970

How much horsepower is a John Deere 4520?

The engine tested at 111.21 hp
82.9 kW drawbar and 123.39 hp
92.0 kW kW PTO horsepower.

How much does a John Deere 4520 tractor weight?

Depending on the engine type, the John Deere 4520 weight ranges from 12285 to 15000 pounds .

How much can a John Deere 4520 Pull?

The max pulling capacity of the John Deere 4520 tractors starts at 13,790 lbs
6255 kg but may be slightly higher depending on the trim.

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