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Industrial Tractor · 1957Unverified
John Deere 420I Special Utility
John Deere 420I Special Utility — Industrial tractor · 29 hp. Reference specifications; pending source verification.
The John Deere 420I Special Utility is a lighter industrial tractor model, boasting a rated power of 29 hp. It was manufactured between 1957 and 1958. The 420I Special Utility is equipped with a 2-cylinder petrol liquid-cooled engine, paired with two-wheel drive and a 4-speed gearbox. Its listed operating weight is 1292 kg, accommodating operations of up to 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
29 hp
Weight
1292 kg
Catalogue coverage
Variants represented
2
Richest spec table
54 rows
Recorded power
29 hp
Recorded weight
1292 kg
Transmissions
4-speed gear
Production years
1957-1958
Verified variants
0
1 linked source document displayed
Hover a source tag to verify
Overview
ManufacturerJohn DeereReference
Industrial tractorReference
Built in Dubuque, Iowa, USAReference
Total built255Reference
The Deere 420I Special Utility was the officially designated industrial version of the 420, but a large number of other 420 versions were sold in yellow paint for municipal and industrial work. The 420I was based on the 420W, the tie rods on the front axle were the primary difference.Reference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
John Deere 1.9L 2-cyl gasolineReference
Fuel tank39.7 LReference
Belt (claimed)21.8 kWReference
John DeereReference
gasolineReference
2-cylinder 4-valveReference
liquid-cooledReference
Displacement1.9 LReference
Bore/Stroke108 x 102 mmReference
Air cleaneroil bathReference
Compression7:1Reference
Rated RPM1850Reference
Torque122.0 NmReference
Torque RPM1300Reference
Firing order1-2Reference
StarterelectricReference
Starter volts6Reference
Coolant capacity10.4 LReference
Transmission
4-speed gearReference
5-speed gearReference
5-speed mechanical shuttleReference
TypegearReference
Gears4 forward and 1 reverseReference
Gears5 forward and 1 reverseReference
TransmissionDirection ReverserReference
Typemechanical shuttleReference
Gears5 forward and reverseReference
PTO & Hydraulics
Rear TypeIReference
Rear PTOliveReference
Rear PTO Type540 (1.375)Reference
Dimensions
Wheelbase197 cmReference
Weight1292 kgReference
Ag front5.00x15Reference
Ag front6.00x16Reference
Ag front7.50x16Reference
Ag rear10x24Reference
Ag rear11x24Reference
Ag rear11x26Reference
Ag rear12x26Reference
Ag rear13x26Reference
Length318 cmReference
Width140 cmReference
Height (hood)127 cmReference
420I Serial Numbers
Location:Serial number plate on the left side of tractor, on the clutch housing.Reference
Electrical
GroundpositiveReference
Battery volts6Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
