The International Harvester 1255 is a tractor model with a rated power output of 125 horsepower, placing it at the higher power end of its class. It was manufactured from 1979 to 1985 and features a 6-cylinder turbocharged diesel liquid-cooled engine, coupled with four-wheel drive and a 20-speed gearbox. The tractor's listed operating weight is 5540 kg, and it is suited to operations on land areas ranging from 200 to 800 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
125 hp
Weight
5540 kg
Catalogue coverage
Variants represented
2
Richest spec table
29 rows
Recorded power
125 hp
Recorded weight
5540 kg
Transmissions
20-speed
Production years
1979-1985
Verified variants
0
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Overview
ManufacturerInternational HarvesterReference
Built in Neuss, GermanyReference
Four-wheel driveReference
Engine
International Harvester 5.9L 6-cyl dieselReference
Fuel tank199.8 LReference
Engine93.2 kWReference
International HarvesterReference
turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement5.9 LReference
Bore/Stroke98 x 129 mmReference
Power93.2 kWReference
Rated RPM2200Reference
Transmission
20-speedReference
12-speedReference
Gears20 forward and 9 reverseReference
Gears12 forward and 5 reverseReference
PTO & Hydraulics
Pump flow50.0 lpmReference
Rear lift4600 kgReference
Rear PTO Type540, 1000Reference
Dimensions
Wheelbase280 cmReference
Weight5540 kgReference
Front tire14.9R28Reference
Rear tire20.8R38Reference
Ag front14.9R28Reference
Ag rear20.8R38Reference
Length473 cmReference
Height294 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
