Introduction
International Harvester 745
The International Harvester 745 is a utility tractor produced in Neuss, Germany, between 1980 and 1989. Part of the 645 series, this model was designed for general agricultural applications, offering both two-wheel and four-wheel drive configurations.
Engine and Performance
The tractor is powered by the International Harvester D-239, a 3.9-liter, 4-cylinder liquid-cooled diesel engine. It generates 72 hp (53.7 kW) at a rated speed of 2300 RPM. The engine produces a peak torque of 185.1 lb-ft (251.0 Nm) at 1600 RPM, providing consistent lugging ability for various field tasks.
Transmission and Drivetrain
The drivetrain features the IH Synchron transmission system. Operators could choose between an 8-speed gear transmission, a 16-speed creeper option, or a 16-speed configuration featuring a two-speed power shift. This variety allows for precise speed matching for operations ranging from heavy tillage to slow-speed specialty tasks.
Hydraulics and PTO
The hydraulic system is equipped with a pump providing a flow rate of 7.9 gpm (29.9 lpm). The rear power take-off (PTO) is a live system operating at 540 RPM, with an optional 540/1000 RPM setup available. The rear hitch is a Category II type, featuring position and lower-link draft control, capable of lifting up to 6,945 lbs (3,150 kg).
Dimensions and Operator Environment
The 745 was available with a four-post ROPS structure or an enclosed cab, with the 745 XL model specifically featuring a heated cab. The 2WD model has a wheelbase of 87.6 inches (222 cm), while the 4WD version has a wheelbase of 86.2 inches (218 cm). Ground clearance varies by drive configuration, measuring 19.1 inches for the 2WD model and 15.9 inches for the 4WD variant.
Conclusion
The International Harvester 745 is characterized by its mechanical simplicity and robust build quality. With its versatile transmission options and standard Category II hitch, it remains a capable utility tractor suited for diverse farm management operations.
International Harvester 745 Manuals & Documentation
Download the manuals and documentation available for the International Harvester 745: repair and workshop manuals, operator's handbooks, spare-parts catalogs and technical leaflets — free PDF files.
- Cylindre de direction Essieu MFD APL 335 et APL345PDF · 3.666 Mo
- Manuel atelier - détection des pannes hydrauliquesPDF · 25.237 Mo
- Manuel atelier - traction avant mécanique M.F.D.PDF · 5.807 Mo
- Manuel de service moteurPDF · 24.355 Mo
- Revue techniquePDF · 20.296 Mo
- Livret d'entretienPDF · 15.6 Mo
- Livret d'entretienPDF · 39.5 Mo
- Manuel atelier - système électriquePDF · 29.419 Mo
- Réglage de contacteurs, leviers et pédalesPDF · 31.55 Mo
- Schéma électriquePDF · 1.302 Mo
Archive documentation provided for reference, hosted by Tractor-Info.
Production Information of International Harvester, 745
- Built in Neuss, Germany
| Manufacturer | International Harvester |
|---|
Dimension and Tires Information of International Harvester, 745
| 4WD Front tread | 64.8 to 71.4 inches [164 to 181 cm] |
|---|---|
| 2WD Wheelbase | 87.6 inches [222 cm] |
| Width | 80.3 inches [203 cm] |
| 4WD Length | 150 inches [381 cm] |
| 4WD Wheelbase | 86.2 inches [218 cm] |
| 2WD Ground clearance | 19.1 inches [48 cm] |
| Height (ROPS) | 100 inches [254 cm] |
| 2WD Length | 148.4 inches [376 cm] |
| Rear tread | 62.2 to 78 inches [157 to 198 cm] |
| 2WD Front tread | 52.9 to 71.8 inches [134 to 182 cm] |
| 4WD Ground clearance | 15.9 inches [40 cm] |
| Height (cab) | 105.1 inches [266 cm] |
| 2WD Standard tires (ag) | Front: 7.50-18. Rear: 16.9R34 |
|---|---|
| 4WD Standard tires (ag) | Front: 12.4R24. Rear: 16.9R34 |
Engine Specifications of International Harvester, 745
- International Harvester D-239
- Liquid-cooled
- Diesel
- 4-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 238.65 ci [3.9 L] |
| Rated RPM | 2300 |
| Bore/Stroke | 3.875x5.06 inches [98 x 129 mm] |
| Oil change | 200 h |
| Oil capacity | 9.5 qts [9.0 L] |
| Torque RPM | 1600 |
| Torque | 185.1 lb-ft [251.0 Nm] |
| Power | 72 hp [53.7 kW] |
Transmission Information of International Harvester, 745
Transmission variants 1
- Four gears in two ranges, plus reverse range, with two-speed power shift.
| Transmission | IH Synchron |
|---|---|
| Type | Two-speed power shift |
| Gears | 16 forward and 8 reverse |
Transmission variants 2
- Four gears in two ranges, plus reverse range.
| Type | Gear |
|---|---|
| Gears | 8 forward and 4 reverse |
Transmission variants 3
| Type | Creeper |
|---|---|
| Gears | 16 forward and 8 reverse |
- 16-speed two-speed power shift
- 8-speed gear
- 16-speed creeper
Mechanical Specs of International Harvester, 745
- Two- or four-wheel drive
- Four-post ROPS. Cab with heat on 745 XL.
Power Information of International Harvester, 745
| Rear PTO | Live |
|---|---|
| Rear PTO Type | 540 |
| Rear PTO Type(optional) | 540/1000 |
Hydraulics Specifications of International Harvester, 745
| Pump flow | 7.9 gpm [29.9 lpm] |
|---|
Three-Point Hitch of International Harvester, 745
| Rear Type | II |
|---|---|
| Control | Position and lower-link draft control. |
| Rear lift | 6945 lbs [3150 kg] |
Electrical System of International Harvester, 745
| Charging system | Alternator |
|---|---|
| Battery AH | 88 |
| Charging amps | 33 |
| Battery volts | 12 |
Where it sits
With 72 HP, the International Harvester 745 sits just above 645 (66 HP) in International Harvester's range. Its power puts it in the 54th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the International Harvester 745 have?
The International Harvester 745 delivers 72 HP.
What years was the International Harvester 745 produced?
The International Harvester 745 was produced in 1980-1989.
What engine does the International Harvester 745 have?
The International Harvester 745 is powered by a Diesel, 4-cylinder engine.
What transmission does the International Harvester 745 use?
The International Harvester 745 uses a IH Synchron transmission.
Is the International Harvester 745 4WD?
The International Harvester 745 is available in 2WD/4WD.