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Tractor · 1971Unverified

John Deere 4620

John Deere 4620 — Row-Crop tractor · 136 hp. Reference specifications; pending source verification.

The John Deere 4620 is a tractor with a rated power output of 136 hp, positioning it at the more powerful end of its class. It was manufactured between 1971 and 1972. The tractor features a 6-cylinder turbocharged intercooled diesel liquid-cooled engine, coupled with a four-wheel drive system and hydrostatic transmission. Its listed operating weight ranges from 12980 to 14930 pounds, making it suitable for operations spanning 200–800 acres.

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

Rated power
136 hp
Max power
82.7 kW
Weight
12980 to 14930 pounds

Catalogue coverage

Variants represented
2
Richest spec table
124 rows
Recorded power
136 hp
Transmissions
8-speed partially synchronized
Production years
1971-1972
Verified variants
0

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference
Row-Crop tractorReference
Built in Waterloo, Iowa, USAReference
Total built6,928Reference
Total built5,045 (Syncro-Range)Reference
Total built1,883 (Power Shift)Reference
Original price was $15,000 in 1972Reference
Drive4x2 2WDReference
Drive4x4 HFWD 4WDReference
Final drivesplanetaryReference
Differential lockhydro-mechanical rearReference
Steeringhydrostatic powerReference
Hydraulic wet disc brakesReference
Open operator station. Optional two-post Roll-Gard ROPS and canopy. Cab optional.Reference

Engine

John Deere 6.6L 6-cyl dieselReference
Drawbar (tested)86.3 kWReference
John DeereReference
intercooled turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement6.6 LReference
Bore/Stroke108 x 121 mmReference
Air cleanerdry with safety elementReference
Compression16.4:1Reference
Rated RPM2200Reference
Idle RPM800-2200Reference
Operating RPM1500-2200Reference
Firing order1-5-3-6-2-4Reference
Starter volts12Reference
Oil capacity15.1 LReference
Coolant capacity26.5 LReference
Power at rated engine speed101.1 kWReference
Max power82.7 kWReference
Power at rated engine speed101.2 kWReference
Max power86.3 kWReference

Transmission

8-speed partially synchronizedReference
8-speed full power shiftReference
TransmissionJohn Deere Syncro-RangeReference
Typepartially synchronizedReference
Gears8 forward and 2 reverseReference
Clutch14.75-inch dry discReference
Oil capacity60.6 LReference
TransmissionJohn Deere Power ShiftReference
Typefull power shiftReference
Gears8 forward and 4 reverseReference
Clutchhydraulic wet discsReference
Oil capacity68.1 LReference

PTO & Hydraulics

PTO (claimed)100.7 kWReference
PTO (tested)101.2 kWReference
Hydraulic system60.6 LReference
Hydraulic system68.1 LReference
Typeclosed centerReference
Capacity60.6 LReference
Capacity68.1 LReference
Rear TypeIII/IIReference
Rear PTOindependentReference
Rear PTO Type1000Reference
Engine RPM1000@1900Reference
Power at rated PTO speed97.5 kWReference
Power at rated PTO speed97.1 kWReference

Capacities

Fuel189.2 LReference

Dimensions

Wheelbase270 cmReference
Weight12980 to 14930 poundsReference
Front tire11.00-16Reference
Rear tire20.8-38Reference
Ag front11.00-16Reference
Ag rear20.8-38Reference
Ag front9.50-20Reference
Ag front10.00-16Reference
Ag front14L-16AReference
Ag front14.9-24 (4WD)Reference
Ag rear18.4-38Reference
Ag rear24.5-32Reference
Ag rear12.4-42 (duals)Reference
Ag rear15.5-38 (duals)Reference
Ag rear16.9-38 (duals)Reference
Ag rear18.4-38 (duals)Reference
Ag rear20.8-38 (duals)Reference
Length433 cmReference
Width243 cmReference
Width274 cmReference
Width299 cmReference
Height269 cmReference
Height (steering wheel)220 cmReference
Clearance (front axle)60 cmReference
Clearance (rear axle)78 cmReference
Clearance (rear axle)74 cmReference
Clearance (drawbar)45 cmReference
Front tread142 to 215 cmReference
Front tread162 to 223 cmReference
Front tread182 to 223 cmReference
Rear tread177 to 254 cmReference
Rear tread152 to 273 cmReference
Rear tread177 to 284 cmReference
Rear tread152 to 304 cmReference
Rear tread177 to 309 cmReference
Rear tread152 to 330 cmReference
Shipping5887 kgReference
Operating6772 kgReference
Ballasted8455 kgReference

4620 Serial Number Location

Serial number plate on the rear of the tractor, above the PTO shaft.Reference

4620 Serial Numbers

197110001Reference
197213692Reference
Final16967Reference
FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference
Charging systemalternatorReference
Batteries2Reference
Battery volts6Reference

Test results

NTTL 1064: diesel PowerShift 2WDReference
NTTL 1073: diesel SyncroRange 2WDReference
Diesel PowerShift 2WDApril 20 - May 4, 1971Link: Nebraska Tractor Test 1064 fileReference
PTO performanceReference
Fuel use34.8 l/hourReference
Fuel use31.4 l/hourReference
Drawbar performanceReference
Fuel use34.4 l/hourReference
Gear 4 used for power test.Reference
Max pull6564 kgReference
Gear 2 used for pull test.Reference
Diesel SyncroRange 2WDJune 16 - 22, 1971Link: Nebraska Tractor Test 1073 fileReference
Fuel use31.8 l/hourReference
Max pull6312 kgReference

Speeds

With 20.8-38 rear tires.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.

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