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Years in Production / 1968–1972
International Harvester
634
Explore the specifications, hardware, and original references for the International Harvester 634.

No photo
66hp
Source index power
MFWD Optional
Drive
1968–1972
Production years
International Harvester
Manufacturer
634 / 01
At a glance
Overview
1968 - 1972
Production
Built in Doncaster, England
- Manufacturer
- International Harvester
- Total Built
- 3,848
Mechanical
Mechanical disc brakes
Open operator station. Cab optional.
- Drive
- 4x2 2WD
- Drive
- 4x4 4WD *Four-wheel drive conversion by County
- 2wd Steering
- manual
- 4wd Steering
- power
Hydraulics
- Pressure
- 2500 psi172.4 bar
- Pump Flow
- 10.4 gpm39.4 lpm
- Steering Flow
- 4.8 gpm18.2 lpm
- Steering Press
- 1500 psi103.4 bar
Hitch
- Rear Type
- II
- Control
- position and draft control
- Rear Lift
- 3360 lbs1524 kg
Pto
- Rear Pto
- independent
- Rear Type
- 540 (1.375)
- Engine Rpm
- 540@1458
Electrical
- Charging System
- generator
- Battery Volts
- 12
- Battery Ah
- 95
634 / 02
Under the hood
Engine Detail
International Harvester BD-281
diesel
4-cylinder
liquid-cooled
- Displacement
- 281 ci4.6 L
- Bore Stroke
- 4.125x5.25 inches105 x 133 mm
- Power
- 66 hp49.2 kW
- Rated Rpm
- 1600
- Torque
- 225 lb-ft305.1 Nm
- Torque Rpm
- 1000
- Starter Volts
- 12
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
International Harvester 4.6L 4-cyl diesel
- Fuel Tank
- 20.4 gal77.2 L
634 / 03
Gears & controls
Transmission
- Gears
- 8 forward and 2 reverse
- Clutch
- 330mm dry disc
International Harvester634 Transmission
8-speed
634 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 150 in381 cm
- Width
- 65.5 in166 cm
- Height (cab)
- 96 in243 cm
- Wheelbase
- 75 in190 cm
- Front tread
- 60 in152 cm
- Rear tread
- 60 in152 cm
Dimensions And Tires
- 2wd Wheelbase
- 86.8 inches220 cm
- 4wd Wheelbase
- 86.8 inches220 cm
- Awd Wheelbase
- 75 inches190 cm
- Weight
- 6546 to 9574 pounds
- Front Tire
- 7.50-16
- 2wd Rear Tire
- 11-38
Tires And Tracks
- 2wd Standard Tires Ag
- Front: 7.50-16. Rear: 11-38
- 4wd Standard Tires Ag
- Front: 10-24. Rear: 12-38
- Awd Standard Tires Ag
- Front: 14-30. Rear: 14-30
See it in action
Videos
Watch International Harvester 634 videos from their original YouTube creators.