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Years in Production / 1968–1972

International Harvester

634

Explore the specifications, hardware, and original references for the International Harvester 634.

Generic tractor; no model photo available
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.