International Harvester

International Harvester 743

The International Harvester 743 is a farm tractor produced from 1981 to 1985 by International Harvester in Neuss, Germany. It features a 3.9L 4-cylinder liquid-cooled diesel engine producing 67 hp (50.0 kW) at 2300 RPM. The tractor offers 8-speed and 16-speed synchron transmissions with two- or four-wheel drive options. It has a fuel tank capacity of 28.0 gallons (106.0 L) and hydraulic pump flow of 7.9 gpm (29.9 lpm). The rear lift capacity is 6945 lbs (3150 kg) with a 540 RPM rear PTO. Dimensions include a wheelbase of 87.80 inches (223 cm), length of 148.82 inches (378 cm), and height of 103.15 inches (262 cm). Weight varies from 6349 lbs (2879 kg) for 2WD ROPS to 7738 lbs (3509 kg) for 4WD Cab. Standard tires differ for 2WD and 4WD configurations.
Power72 hp
Founded1981 - 1985
Model743

Technical Specifications

Detailed specifications and technical data for International Harvester 743

Power
Engine67 hp (50.0 kW)
Tires
2WD Standard tires (ag)Front: 7.50-16. Rear: 16.9/14-30
4WD Standard tires (ag)Front: 9.5/9-24. Rear: 16.9/14-30
Engine
Typediesel
ModelInternational Harvester D-329
Power67 hp (50.0 kW)
Coolingliquid-cooled
Cylinders4-cylinder
Fuel tank28.0 gal (106.0 L)
Rated RPM2300
Bore/Stroke3.875x5.06 inches (98 x 129 mm)
Displacement238.65 ci (3.9 L)
Weight
2WD Cab6867 lbs (3114 kg)
4WD Cab7738 lbs (3509 kg)
2WD ROPS6349 lbs (2879 kg)
4WD ROPS7209 lbs (3270 kg)
Dimensions
Height103.15 inches (262 cm)
Length148.82 inches (378 cm)
Wheelbase87.80 inches (223 cm)
Hydraulics
Pump flow7.9 gpm (29.9 lpm)
Mechanical
DriveTwo- or four-wheel drive
Production
Built inNeuss, Germany
Years made1981 - 1985
ManufacturerInternational Harvester
Transmission
TypeSynchron
Options8-speed, 16-speed
Gears (8-speed)8 forward and 4 reverse
Gears (16-speed)16 forward and 8 reverse
Tractor hitch
Rear lift6945 lbs (3150 kg)
Power Take-off (PTO)
Rear PTO Type540