Introduction
International Harvester 744: Technical Overview
The International Harvester 744 is a row-crop tractor produced between 1974 and 1980 at the manufacturer's facility in Neuss, Germany. Designed for versatility in agricultural operations, this model was part of a series that included the 644 and 844 units.
Engine and Performance
The tractor is powered by the International Harvester D-239, a 3.9-liter, 4-cylinder liquid-cooled diesel engine. It utilizes direct injection and produces 72 hp (53.7 kW) at a rated speed of 2300 RPM. The engine delivers a peak torque of 169.3 lb-ft (229.6 Nm) at 1200 RPM, providing steady power for field tasks.
Transmission and Drivetrain
Operators have access to two transmission configurations: a standard 8-speed forward and 4-speed reverse gearbox, or the Agriomatic S partial power shift transmission, which offers 12 forward and 4 reverse gears. The tractor is available in both two-wheel drive and four-wheel drive variants, supported by planetary final drives.
Hydraulics and Hitch
The hydraulic system features a pump flow rate of 7.9 gpm (29.9 lpm). For implement management, the tractor is equipped with a Category II rear hitch featuring both position and draft control, capable of lifting up to 6394 lbs (2900 kg).
Power Take-Off and Dimensions
The independent rear PTO offers a standard 540 RPM setting, with an optional 540/1000 RPM configuration available. The machine measures 148.6 inches in length with a wheelbase of 86 inches. Ground clearance is 14.6 inches, and total operating weight varies from 6590 lbs (2989 kg) for the 2WD model to 7497 lbs (3400 kg) for the 4WD version.
Conclusion
The International Harvester 744 is a robust row-crop tractor suited for medium-duty agricultural applications. Its combination of manual steering, open operator station, and flexible transmission options makes it a functional choice for farmers seeking a reliable, mechanical-driven machine from the mid-1970s.
International Harvester 744 Manuals & Documentation
Download the manuals and documentation available for the International Harvester 744: repair and workshop manuals, operator's handbooks, spare-parts catalogs and technical leaflets — free PDF files.
- Livret d'entretienPDF · 29.276 Mo
- Revue technique 1ere partiePDF · 31.675 Mo
- Revue technique 2eme partiePDF · 36.784 Mo
- Revue technique 3eme partiePDF · 33.906 Mo
- Revue technique 4eme partiePDF · 33.198 Mo
Archive documentation provided for reference, hosted by Tractor-Info.
Production Information of International Harvester, 744
- Row-Crop tractor
- Built in Neuss, Germany
| Manufacturer | International Harvester |
|---|
Dimension and Tires Information of International Harvester, 744
| Ground clearance | 14.6 inches [37 cm] |
|---|---|
| Wheelbase | 86 inches [218 cm] |
| 2WD Weight | 6590 lbs [2989 kg] |
| Height | 69.8 inches [177 cm] |
| Length | 148.6 inches [377 cm] |
| 4WD Weight | 7497 lbs [3400 kg] |
| Width | 80.3 inches [203 cm] |
| Ag front | 7.50-18 |
|---|---|
| Ag front(optional) | 16.9-34 (MFWD) |
| Ag front(optional) | 11.2-24 (MFWD) |
| Ag rear | 16.9-34 |
Engine Specifications of International Harvester, 744
- International Harvester D-239
- Liquid-cooled
- Diesel
- 4-cylinder
| Torque | 169.3 lb-ft [229.6 Nm] |
|---|---|
| Displacement | 238.65 ci [3.9 L] |
| Fuel system | Direct injection |
| Bore/Stroke | 3.875x5.06 inches [98 x 129 mm] |
| Starter volts | 12 |
| Torque RPM | 1200 |
| Rated RPM | 2300 |
| Compression | 16:1 |
| Power | 72 hp [53.7 kW] |
Transmission Information of International Harvester, 744
Transmission variants 1
| Gears | 8 forward and 4 reverse |
|---|
Transmission variants 2
| Transmission | Agriomatic S |
|---|---|
| Type | Partial power shift |
| Gears | 12 forward and 4 reverse |
- 8-speed
- 12-speed partial power shift
Mechanical Specs of International Harvester, 744
- Two- or four-wheel drive
- Open operator station.
- Manual steering
| Final drives | Planetary |
|---|
Power Information of International Harvester, 744
| Rear PTO | Independent |
|---|---|
| Rear PTO(optional) | 1000@2000 |
| Engine RPM | 540@1920 |
| Rear PTO Type | 540 |
| Rear PTO Type(optional) | 540/1000 |
Hydraulics Specifications of International Harvester, 744
| Pump flow | 7.9 gpm [29.9 lpm] |
|---|
Three-Point Hitch of International Harvester, 744
| Rear Type | II |
|---|---|
| Control | Position and draft control |
| Rear lift | 6394 lbs [2900 kg] |
Electrical System of International Harvester, 744
| Ground | Negative |
|---|---|
| Battery AH | 88 |
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 28 |
Where it sits
With 72 HP, the International Harvester 744 sits between 644 (60 HP) and 844 (73 HP) in International Harvester's range. Its power puts it in the 52th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the International Harvester 744 have?
The International Harvester 744 delivers 72 HP.
What years was the International Harvester 744 produced?
The International Harvester 744 was produced in 1974-1980.
What engine does the International Harvester 744 have?
The International Harvester 744 is powered by a Diesel, 4-cylinder engine.
How much does the International Harvester 744 weigh?
The International Harvester 744 weighs 6590 lbs [2989 kg].
Is the International Harvester 744 4WD?
The International Harvester 744 is available in 2WD/4WD.