International Harvester 633 tractor

International Harvester 633

Power

52 hp

Production

1975-1978

Engine

Diesel, 3-cylinder

Weight

5589 lbs [2535 kg]

Drive

2WD/4WD

From the same series:

533
733

Introduction

International Harvester 633 Utility Tractor

The International Harvester 633 is a utility tractor produced between 1975 and 1978 in Neuss, Germany. Part of the 533-733 series, this model was designed as a versatile machine for general agricultural operations.

Engine and Power

The tractor is powered by the International Harvester D-179, a 2.9-liter, 3-cylinder liquid-cooled diesel engine. It generates 52 hp (38.8 kW) at a rated speed of 2180 RPM. The engine features a bore/stroke ratio of 98 x 129 mm and is supported by a 12-volt electrical starting system.

Transmission and Drivetrain

The 633 offers flexible transmission configurations, including a standard 8-speed (8 forward and 4 reverse) or an optional 16-speed (16 forward and 8 reverse) synchronized transmission. It is available in both two-wheel drive and four-wheel drive variants, both equipped with disc brakes for reliable stopping power.

Hydraulics and Hitch

The hydraulic system provides a pump flow of 8.6 gpm (32.6 lpm) with a system capacity of 3.2 gallons (12.1 liters). The rear hitch is a Category II type capable of a lift capacity of 3969 lbs (1800 kg), facilitating the use of various mounted implements. The rear PTO operates independently at a standard 540 RPM.

Dimensions and Operator Station

The tractor features an open operator station as standard, with an optional factory cab equipped with a heater. The 2WD model has a wheelbase of 81.5 inches (207 cm) and a shipping weight of 5158 lbs (2339 kg), while the 4WD version features a 79.9-inch (202 cm) wheelbase and a shipping weight of 5589 lbs (2535 kg).

Conclusion

The International Harvester 633 is a robust and functional utility tractor suitable for small to medium-sized agricultural tasks. Its combination of a reliable diesel engine, multiple transmission options, and hydraulic lift capacity makes it a practical choice for general field work and transport duties.

International Harvester 633 Manuals & Documentation

Download the manuals and documentation available for the International Harvester 633: repair and workshop manuals, operator's handbooks, spare-parts catalogs and technical leaflets — free PDF files.

Archive documentation provided for reference, hosted by Tractor-Info.

Production Information of International Harvester, 633

  • Utility tractor
  • Built in Neuss, Germany
ManufacturerInternational Harvester

Dimension and Tires Information of International Harvester, 633

4WD Shipping weight5589 lbs [2535 kg]
2WD Wheelbase81.5 inches [207 cm]
Height93.5 inches [237 cm]
Width64.7 inches [164 cm]
4WD Wheelbase79.9 inches [202 cm]
Front tread48.5 to 69.7 inches [123 to 177 cm]
2WD Shipping weight5158 lbs [2339 kg]
Length135.8 inches [344 cm]
Rear tread56.2 to 76.9 inches [142 to 195 cm]
2WD Standard tires (ag)Front: 6.50-16. Rear: 12.4/11-36
4WD Optional tires (ag)Front: 10.5-18. Rear: 16.9/14-28
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

Engine Specifications of International Harvester, 633

  • International Harvester D-179
  • Liquid-cooled
  • Diesel
  • 3-cylinder
Power52 hp [38.8 kW]
Displacement179 ci [2.9 L]
Rated RPM2180
Bore/Stroke3.875x5.0625 inches [98 x 129 mm]
Starter volts12

Transmission Information of International Harvester, 633

Transmission variants 1

  • Four gears (1-4) in two ranges, plus reverse range.
Gears8 forward and 4 reverse

Transmission variants 2

TransmissionSynchron
Gears16 forward and 8 reverse
  • 8-speed
  • 16-speed

Mechanical Specs of International Harvester, 633

  • Two- or four-wheel drive
  • Disc brakes
  • Open operator station. Cab optional with heater.

Power Information of International Harvester, 633

Rear PTOIndependent
Rear PTO Type540

Hydraulics Specifications of International Harvester, 633

Capacity3.2 gal [12.1 L]
Pump flow8.6 gpm [32.6 lpm]

Three-Point Hitch of International Harvester, 633

Rear TypeII
Rear lift3969 lbs [1800 kg]

Electrical System of International Harvester, 633

Charging systemAlternator
Battery volts12

Where it sits

With 52 HP, the International Harvester 633 sits between 533 (44 HP) and 733 (59 HP) in International Harvester's range. Its power puts it in the 34th percentile of 1970s models in our database (1259 machines).

Frequently asked questions

How much horsepower does the International Harvester 633 have?

The International Harvester 633 delivers 52 HP.

What years was the International Harvester 633 produced?

The International Harvester 633 was produced in 1975-1978.

What engine does the International Harvester 633 have?

The International Harvester 633 is powered by a Diesel, 3-cylinder engine.

How much does the International Harvester 633 weigh?

The International Harvester 633 weighs 5589 lbs [2535 kg].

Is the International Harvester 633 4WD?

The International Harvester 633 is available in 2WD/4WD.

Compare the International Harvester 633 with another model