Tractor · 1974Unverified
International Harvester 644
International Harvester 644 — Row-Crop tractor · 60 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
60 hp
Weight
6350 to 7078 pounds
Hover a source tag to verify
Overview
ManufacturerInternational HarvesterReference
Row-Crop tractorReference
Built in Neuss, GermanyReference
Two- or four-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
International Harvester 3.4L 4-cyl dieselReference
Fuel tank74.2 LReference
Engine44.7 kWReference
International Harvester D-206Reference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement3.4 LReference
Bore/Stroke98 x 111 mmReference
Power44.7 kWReference
Rated RPM2150Reference
Starter volts12Reference
Transmission
8-speedReference
Gears8 forward and 4 reverseReference
PTO & Hydraulics
Pump flow29.9 lpmReference
Rear TypeIIReference
Rear lift2900 kgReference
Rear PTO Type540/1000Reference
Engine RPM540@1982Reference
Engine RPM1000@2000Reference
Dimensions
Wheelbase223 cmReference
Weight6350 to 7078 poundsReference
Front tire7.50-16Reference
Rear tire16.9-30Reference
Ag front7.50-16Reference
Ag front9.5-24 (MFWD)Reference
Ag rear16.9-30Reference
Length377 cmReference
Height248 cmReference
2WD Weight2880 kgReference
4WD Weight3210 kgReference
Electrical
GroundnegativeReference
Battery volts12Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.