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Tractor · 1968Unverified

International Harvester 634

Name: International Harvester 634
Brand: International Harvester

International Harvester 634 · 59 hp. Reference specifications; pending source verification.

The International Harvester 634 is a tractor with a rated power output of 59 hp, categorising it as a lighter model within its class. Produced from 1968 to 1972, this tractor is equipped with a 4-cylinder diesel liquid-cooled engine and features four-wheel drive paired with an 8-speed gearbox. The operating weight of the 634 ranges from 6546 to 9574 pounds, and it is suitable for operations covering up to 200 acres.

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

Rated power

59 hp

Weight

6546 to 9574 pounds

Catalogue coverage

Variants represented

Richest spec table

63 rows

Recorded power

59 hp

Transmissions

8-speed

Production years

1968-1972

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerInternational HarvesterReference

Built in Doncaster, EnglandReference

Total built3,848Reference

Drive4x2 2WDReference

Drive4x4 4WDReference

2WD SteeringmanualReference

4WD SteeringpowerReference

Mechanical disc brakesReference

Open operator station. Cab optional.Reference

Engine

International Harvester 4.6L 4-cyl dieselReference

Fuel tank77.2 LReference

Engine49.2 kWReference

International Harvester BD-281Reference

dieselReference

4-cylinderReference

liquid-cooledReference

Displacement4.6 LReference

Bore/Stroke105 x 133 mmReference

Power49.2 kWReference

Rated RPM1600Reference

Torque305.1 NmReference

Torque RPM1000Reference

Starter volts12Reference

Transmission

8-speedReference

Gears8 forward and 2 reverseReference

Clutch330mm dry discReference

PTO & Hydraulics

PTO (claimed)44.2 kWReference

Pressure172.4 barReference

Pump flow39.4 lpmReference

Steering flow18.2 lpmReference

Steering press.103.4 barReference

Rear TypeIIReference

Controlposition and draft controlReference

Rear lift1524 kgReference

Rear PTOindependentReference

Rear PTO Type540 (1.375)Reference

Engine RPM540@1458Reference

Dimensions

2WD Wheelbase220 cmReference

4WD Wheelbase220 cmReference

AWD Wheelbase190 cmReference

Weight6546 to 9574 poundsReference

Front tire7.50-16Reference

2WD Rear tire11-38Reference

2WD Standard tires (ag)Front: 7.50-16. Rear: 11-38Reference

4WD Standard tires (ag)Front: 10-24. Rear: 12-38Reference

AWD Standard tires (ag)Front: 14-30. Rear: 14-30Reference

2WD Length350 cmReference

4WD Length353 cmReference

AWD Length381 cmReference

Width166 cmReference

Height (cab)243 cmReference

2WD Front tread132 to 154 cmReference

4WD Front tread134 to 167 cmReference

AWD Front tread152 to 203 cmReference

2WD Rear tread142 to 182 cmReference

4WD Rear tread142 to 182 cmReference

AWD Rear tread152 to 203 cmReference

2WD Operating2969 kgReference

4WD Operating3489 kgReference

AWD Operating4342 kgReference

Electrical

Charging systemgeneratorReference

Battery volts12Reference

Battery AH95Reference

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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