International Harvester 744 Specs ( 1974-1980 )
Overview
The International Harvester 744 is a row-crop farm tractor manufactured in Neuss, Germany, from 1974 to 1980. It is powered by a 3.9L four-cylinder diesel engine rated at 72 hp, available in both two-wheel and four-wheel drive configurations. Mechanical features include an open operator station, manual steering, and a choice between 8-speed or 12-speed partial power shift transmissions.
Ideal Applications
Engine Performance and Torque:
The International Harvester D-239 diesel engine produces 72 hp at a rated 2300 RPM and delivers 169.3 lb-ft of torque at 1200 RPM.
Transmission and PTO Specifications:
The Agriomatic S partial power shift transmission offers up to 12 forward gears, while the independent rear PTO is rated for 540 RPM at an engine speed of 1920 RPM.
Chassis and Hydraulic Capacity:
Built with a Type II rear hitch, the tractor is rated for a 6394-pound lift capacity supported by a hydraulic pump flow of 7.9 gpm.
Production
| Description | Row-Crop tractor / Built in Neuss, Germany |
|---|---|
| Manufacturer | International Harvester |
Engine
| Engine type | International Harvester 3.9L 4-cyl diesel |
|---|---|
| Fuel tank | 19.6 gal (74.2 L) |
| Bore/Stroke | 3.875x5.06 inches (98 x 129 mm) |
| Compression | 16:1 |
| Description | International Harvester D-239 / diesel / 4-cylinder / liquid-cooled |
| Displacement | 238.65 ci (3.9 L) |
| Fuel system | direct injection |
| Power | 72 hp (53.7 kW) |
| Rated RPM | 2300 |
| Starter volts | 12 |
| Torque | 169.3 lb-ft (229.6 Nm) |
| Torque RPM | 1200 |
Transmission
| Gears | 8 forward and 4 reverse / 12 forward and 4 reverse |
|---|---|
| Transmission | Agriomatic S |
| Type | partial power shift |
| Transmission type | 8-speed / 12-speed partial power shift |
| Transmission type | 8-speed / 12-speed partial power shift |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Drive type | Two- or four-wheel drive |
| Final drives | planetary |
Hydraulics
| Pump flow | 7.9 gpm (29.9 lpm) |
|---|
Hitch
| Control | position and draft control |
|---|---|
| Rear lift | 6394 lbs (2900 kg) |
| Rear Type | II |
PTO
| Engine RPM | 540@1920 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 |
Electrical
| Battery AH | 88 |
|---|---|
| Battery volts | 12 |
| Charging amps | 28 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| 2WD Weight | 6590 lbs (2989 kg) |
|---|---|
| 4WD Weight | 7497 lbs (3400 kg) |
| Ground clearance | 14.6 inches (37 cm) |
| Height | 69.8 inches (177 cm) |
| Length | 148.6 inches (377 cm) |
| Wheelbase | 86 inches (218 cm) |
| Width | 80.3 inches (203 cm) |
| Front tire | 7.50-18 |
| Rear tire | 16.9-34 |
| Weight | 6590 to 7497 pounds |
| Wheelbase | 86 inches (218 cm) |
| Ag front | 7.50-18 |
| Ag rear | 16.9-34 |
References
| Description | 744 published in 1978, by International Harvester / 744 published by International Harvester |
|---|
Speeds
| Description | With 16.9/14-30 rear tires. / With 16.9/14-30 rear tires. |
|---|