Tractor · 1969Unverified
John Deere 4520
John Deere 4520 — New Generation Series · 122 hp. Reference specifications; pending source verification.
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
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
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
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
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
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
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.