International Harvester 743 Specs ( 1981-1985 )
Overview
The International Harvester 743 is a farm tractor produced between 1981 and 1985 in Neuss, Germany. It features an International Harvester 3.9L 4-cylinder liquid-cooled diesel engine rated at 72.4 gross horsepower and is available in two- or four-wheel drive configurations.
Ideal Applications
Transmission and Drive Configuration:
Equipped with a Synchron partially synchronized transmission offering 8 forward and 4 reverse or 16 forward and 8 reverse gears, utilizing planetary final drives and a mechanical rear differential lock.
Hydraulic and Hitch Capacity:
The rear Type II hitch provides a lift capacity of 6,834 pounds, supported by a hydraulic pump flow rated at 7.9 gallons per minute.
Engine and Power Ratings:
The D-239 engine delivers a net power of 65.7 hp at 2300 rated RPM and is listed with a claimed PTO output of 61.7 hp.
Production
| Description | Built in Neuss, Germany |
|---|---|
| Manufacturer | International Harvester |
Engine
| Engine type | International Harvester 3.9L 4-cyl diesel |
|---|---|
| Fuel tank | 28 gal (106.0 L) |
| Bore/Stroke | 3.875x5.06 inches (98 x 129 mm) |
| Description | International Harvester D-239 / diesel / 4-cylinder / liquid-cooled |
| Displacement | 238.65 ci (3.9 L) |
| Power (gross) | 72.4 hp (54.0 kW) |
| Rated Power (net) | 65.7 hp (49.0 kW) |
| Rated RPM | 2300 |
| Starter | electric |
| Starter volts | 12 |
| Engine (gross) | 72.4 hp (54.0 kW) |
| Engine (net) | 65.7 hp (49.0 kW) |
| PTO (claimed) | 61.7 hp (46.0 kW) |
Transmission
| Clutch | 280mm dry disc |
|---|---|
| Description | Four gears in each of two ranges, plus reverse range. |
| Gears | 8 forward and 4 reverse / 16 forward and 8 reverse |
| Transmission | Synchron |
| Type | partially synchronized |
| Transmission type | 8-speed partially synchronized / 16-speed |
| Transmission type | 8-speed partially synchronized / 16-speed |
Mechanical
| Description | Power steering |
|---|---|
| Differential lock | mechanical rear |
| Drive type | Two- or four-wheel drive |
| Final drives | planetary |
Hydraulics
| Pump flow | 7.9 gpm (29.9 lpm) |
|---|
Hitch
| Rear lift | 6834 lbs (3099 kg) |
|---|---|
| Rear Type | II |
PTO
| Rear PTO Type | 540/1000 (1.375) |
|---|
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 33 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Height | 103.15 inches (262 cm) |
|---|---|
| Length | 148.82 inches (378 cm) |
| Wheelbase | 87.80 inches (223 cm) |
| 2WD Rear tire | 16.9/14-30 |
| Front tire | 7.50-16 |
| Weight | 6349 to 7738 pounds |
| Wheelbase | 87.80 inches (223 cm) |
| 2WD Standard tires (ag) | Front: 7.50-16. Rear: 16.9/14-30 |
| 4WD Standard tires (ag) | Front: 9.5/9-24. Rear: 16.9/14-30 |
International Harvester 743 Weight
| 2WD Cab | 6867 lbs (3114 kg) |
|---|---|
| 2WD ROPS | 6349 lbs (2879 kg) |
| 4WD Cab | 7738 lbs (3509 kg) |
| 4WD ROPS | 7209 lbs (3270 kg) |
References
| Description | Tracteurs 743 - 745 S - 845 published by International Harvester / Operator's Manual 743 XL - 745 XL - 845 XL (1091846) published in 1981 |
|---|