Skip to content
An independent tractor reference
TractorStack.

Find your tractor.

Menu ☰

Years in Production / 1975–1978

International Harvester

633

Explore the specifications, hardware, and original references for the International Harvester 633.

International Harvester 633 SA — Joost J. Bakker from IJmuiden, CC BY 2.0. Resized; converted to WebP. · Joost J. Bakker from IJmuiden · CC BY 2.0 commons.wikimedia.org source ↗

52hp

Source index power

MFWD Optional

Drive

1975–1978

Production years

International Harvester

Manufacturer

633 / 01

At a glance

Overview

1975 - 1978

33 Series

Utility tractor

Production

Utility tractor

Built in Neuss, Germany

Manufacturer
International Harvester

Mechanical

Two- or four-wheel drive

Disc brakes

Open operator station. Cab optional with heater.

Capacity

Fuel
15.85 gal60.0 L
Hydraulic System
3.2 gal12.1 L

Hydraulics

Capacity
3.2 gal12.1 L
Pump Flow
8.6 gpm32.6 lpm

Hitch

Rear Type
II
Rear Lift
3969 lbs1800 kg

Pto

Rear Pto
independent
Rear Type
540

Electrical

Charging System
alternator
Battery Volts
12

633 / 02

Under the hood

Engine Detail

International Harvester D-179

diesel

3-cylinder

liquid-cooled

Displacement
179 ci2.9 L
Bore Stroke
3.875x5.0625 inches98 x 129 mm
Power
52 hp38.8 kW
Rated Rpm
2180
Starter Volts
12
Fuel Type
diesel
Cylinders
3
Cooling
liquid-cooled

Engine Options

International Harvester 2.9L 3-cyl diesel

633 / 03

Gears & controls

Transmission (Option 1)

Four gears (1-4) in two ranges, plus reverse range.

Gears
8 forward and 4 reverse
Speeds Description
With 12.4/11-36 rear tires.

Transmission (Option 2)

Transmission
Synchron
Gears
16 forward and 8 reverse

Transmission Options

8-speed

16-speed

633 / 04

Size. Stance. Footprint.

Dimensions

Length
135.8 in344 cm
Width
64.7 in164 cm
Height
93.5 in237 cm
Wheelbase
79.9 in202 cm
Front tread
48.5 in123 cm
Rear tread
56.2 in142 cm

Dimensions And Tires

2wd Wheelbase
81.5 inches207 cm
4wd Wheelbase
79.9 inches202 cm
Weight
5158 to 5589 pounds
Front Tire
6.50-16
2wd Rear Tire
12.4/11-36

Tires And Tracks

2wd Standard Tires Ag
Front: 6.50-16. Rear: 12.4/11-36
4wd Standard Tires Ag
Front: 10.5-20. Rear: 12.4/11-36
2wd Optional Tires Ag
Front: 7.50-16. Rear: 11.2/10-36
4wd Optional Tires Ag
Front: 10.5-18. Rear: 16.9/14-28

633 / 05

Tractor Photos

International Harvester 633 SA — Joost J. Bakker from IJmuiden, CC BY 2.0. Resized; converted to WebP. · Joost J. Bakker from IJmuiden · CC BY 2.0 commons.wikimedia.org source ↗

See it in action

Videos

Watch International Harvester 633 videos from their original YouTube creators.

International Harvester 633 · photo 1 / 1

International Harvester 633 SA

International Harvester 633 SA — Joost J. Bakker from IJmuiden, CC BY 2.0. Resized; converted to WebP. · Joost J. Bakker from IJmuiden · CC BY 2.0 commons.wikimedia.org source ↗