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Tractor · 1969Unverified

John Deere 4520

Name: John Deere 4520
Brand: John Deere

John Deere 4520 — New Generation Series · 122 hp. Reference specifications; pending source verification.

The John Deere 4520 is a tractor model with a rated power of 122 hp, placing it at the more powerful end of its class. It was manufactured between 1969 and 1970. The tractor features a 6-cylinder turbocharged diesel liquid-cooled engine, paired with four-wheel drive and a powershift transmission. Its operating weight ranges from 12285 to 14175 pounds, making it suitable for operations of 200–800 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

122 hp

Max power

80.4 kW

Weight

12285 to 14175 pounds

Catalogue coverage

Variants represented

Richest spec table

167 rows

Recorded power

122 hp

Transmissions

8-speed partially synchronized

Production years

1969-1970

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference

Row-Crop tractorReference

Built in Waterloo, Iowa, USAReference

Total built7,894Reference

Total built1,666 (Powershift)Reference

Total built6,228 (Synchro range)Reference

Original price was $11,600 in 1972Reference

The 4520 was the first Deere tractor with a factory-installed turbocharger. Early versions suffered serious problems with the air cleaner and fuel injectors.Reference

Drive4x2 2WDReference

Drive4x4 HFWD 4WDReference

Differential lockhydraulic rearReference

Power steeringReference

Differential hydraulic wet disc brakesReference

Open operator station. Optional Roll-Gard ROPS. Optional cab with heater.Reference

Engine

John Deere 6.6L 6-cyl dieselReference

Drawbar (claimed)79.8 kWReference

Drawbar (tested)82.9 kWReference

John DeereReference

turbocharged dieselReference

6-cylinderReference

liquid-cooled inlineReference

Displacement6.6 LReference

Bore/Stroke108 x 121 mmReference

Air cleanerdryReference

Pre-heatingether injectionReference

Pre-heatingcrankcase heaterReference

Pre-heatingcoolant heaterReference

Compression16.4:1Reference

Rated RPM2200Reference

Idle RPM800-2200Reference

Operating RPM1500-2200Reference

Firing order1-5-3-6-2-4Reference

Starter volts12Reference

Coolant capacity26.5 LReference

Intake valve clearance0.457 mmReference

Exhaust valve clearance0.559 mmReference

Oil capacity13.2 LReference

Oil change100 hReference

Power at rated engine speed91.2 kWReference

Max power80.4 kWReference

Power at rated engine speed92.0 kWReference

Max power82.9 kWReference

Fuel TypedieselReference

No of Cylinders4 cylinderReference

Rated engine speed2,400 RPMReference

Engine torque at rated speed61.2 kgReference

Bore and stroke3.386x4.134 inchesReference

Compression ratio20.5:1Reference

Cooling systemliquid-cooledReference

Transmission

8-speed partially synchronizedReference

8-speed full power shiftReference

TransmissionJohn Deere Syncro-RangeReference

Typepartially synchronizedReference

Gears8 forward and 2 reverseReference

Clutchdry discReference

Oil capacity68.1 LReference

Oil typeJohn Deere 303Reference

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.Reference

TransmissionJohn Deere Power ShiftReference

Typefull power shiftReference

Gears8 forward and 4 reverseReference

Clutchwet discReference

Oil capacity60.6 LReference

Clutchless shifting on the move between all gears. Inching pedal for precise movements.Reference

Transmission TypeE-HSTReference

Wheel Drive4WDReference

PTO & Hydraulics

PTO (claimed)89.5 kWReference

PTO (tested)92.0 kWReference

Hydraulic system60.6 LReference

Hydraulic system68.1 LReference

Typeclosed centerReference

Capacity60.6 LReference

Capacity68.1 LReference

Pressure155.1 barReference

Valves1 to 3Reference

Rear TypeIII/IIReference

Rear PTOindependentReference

Clutchdry disc (SyncroRange)Reference

Clutchwet disc (PowerShift)Reference

Rear PTO Type1000Reference

Power at rated PTO speed86.1 kWReference

Power at rated PTO speed85.9 kWReference

Capacities

Fuel189.2 LReference

Fuel tank54.9 LReference

Crankcase oil volume7.9 qtsReference

Dimensions

Wheelbase270 cmReference

Weight12285 to 14175 poundsReference

Front tire10.00-16Reference

Rear tire20.8-38Reference

Ag front10.00-16Reference

Ag rear20.8-38Reference

Ag front9.50-20Reference

Ag front11.00-16Reference

Ag front14L-16Reference

Ag rear18.4-38Reference

Ag rear12.4-42Reference

Ag rear24.5-32Reference

Length433 cmReference

Width243 cmReference

Height269 cmReference

Height (steering wheel)220 cmReference

Clearance (front axle)60 cmReference

Clearance (rear axle)78 cmReference

Clearance (drawbar)45 cmReference

Rear axle2433 mmReference

Rear axle2743 mmReference

Rear axle2997 mmReference

Front tread146 to 211 cmReference

Rear tread160 to 273 cmReference

Shipping5572 kgReference

Operating6429 kgReference

Ballasted8162 kgReference

John Deere 4520 attachments

front-end loaderReference

4520 Serial Numbers

Location:Serial number plate on the rear of the 4520.Reference

19691000Reference

19707055Reference

Final8977Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps55Reference

Charging amps72 (with A/C)Reference

Batteries2Reference

Battery volts6Reference

Battery AH172Reference

Total cold cranking amps770 CCAReference

Test results

NTTL 1014: diesel Power Shift 2WDReference

NTTL 1015: diesel Synchro-Range 2WDReference

Diesel Power Shift 2WDJune 3 - 10, 1969Link: Nebraska Tractor Test 1014 fileReference

PTO performanceReference

Fuel use30.7 l/hourReference

Fuel use28.0 l/hourReference

Drawbar performanceReference

Fuel use30.3 l/hourReference

Gear 4 used for power test.Reference

Max pull6255 kgReference

Diesel Synchro-Range 2WDJune 3 - 10, 1969Link: Nebraska Tractor Test 1015 fileReference

Fuel use29.9 l/hourReference

Fuel use27.3 l/hourReference

Fuel use31.0 l/hourReference

Max pull5997 kgReference

Gear 2 used for pull test.Reference

Speeds

With 20.8-38 rear tires. Foot throttle required to reach 2500 RPM transport speeds.Reference

General

Make & ModelJohn DeereReference

Cruise controlStandardReference

Country of manufacturerUSAReference

PTO

PTO Power52 hpReference

Rear PTO PowerAvailableReference

Rear PTO RPM540 RPMReference

Mid PTOAvailableReference

Mid PTO RPM2,100 RPMReference

Steering & brakes

BrakesWet disc brakesReference

Steering typePower steeringReference

Hydraulics

Pump Rated Output (total)17.1 gpmReference

Hydraulics Typeopen centerReference

Maximum operating pressure2,500 psiReference

Remote Valves0 to 5 ValvesReference

Steering & Implements flow5.1 gpm (12 gpm)Reference

Rear Hitch category (SAE designation)Category IReference

Rear Hitch maximum lift capacity1,419.7 kgReference

Dimensions & weight

Height Over ROPS246.9 cmReference

Height Over Cab234.7 cmReference

Overall Length325.6 cmReference

Overall Width233.4 cmReference

Overall weight1,748.6 kgReference

Operator station

Cab AvailabilityAvailableReference

Seat SuspensionTRUEReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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