International Harvester 734
The International Harvester 734 is a row-crop tractor produced from 1972 to 1974. It features a 3.9L 4-cylinder diesel engine with 73 hp gross power and 66.1 hp net power. The tractor offers 8-speed and 12-speed transmission options with dry disc clutches. It is available in two- or four-wheel drive configurations with planetary final drives and mechanical rear differential lock. The 734 has a rear Type II hitch and an independent rear PTO with 540/1000 rpm options. Dimensions include a wheelbase of 83.5 inches and weights ranging from 7477 to 8245 pounds depending on configuration. Standard tires vary between 2WD and 4WD models. The cab is standard with an optional heater, and the tractor includes disc brakes and manual or power steering.
Power73 hp
Founded1972 - 1974
Model734
Technical Specifications
Detailed specifications and technical data for International Harvester 734
Power
| Engine (net) | 66.1 hp / 49.3 kW |
|---|---|
| PTO (claimed) | 61.7 hp / 46.0 kW |
| Engine (gross) | 73 hp / 54.4 kW |
Engine
| Type | diesel |
|---|---|
| Model | International Harvester D-239 |
| Torque | 185.2 lb-ft / 251.1 Nm |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 4-cylinder |
| Fuel tank | 18.5 gal / 70.0 L |
| Rated RPM | 2200 |
| Torque RPM | 1200 |
| Bore/Stroke | 3.87x5.06 inches / 98 x 129 mm |
| Fuel system | direct injection |
| Power (net) | 66.1 hp / 49.3 kW |
| Displacement | 238.7 ci / 3.9 L |
| Oil capacity | 9.5 qts / 9.0 L |
| Power (gross) | 73 hp / 54.4 kW |
| Starter volts | 12 |
| Coolant capacity | 20.6 qts / 19.5 L |
| Compression ratio | 16:1 |
Overview
| Category | Row-Crop tractor |
|---|---|
| Production years | 1972 - 1974 |
Mechanical
| Cab | standard with optional heater |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Disc brakes |
| Steering | manual, power |
| Final drives | planetary |
| Differential lock | mechanical rear |
Transmission
| 8-speed | Gears8 forward and 4 reverse Clutch280mm dry disc |
|---|---|
| Options | 8-speed, 12-speed |
| 12-speed | Gears12 forward and 4 reverse Clutch280mm dry disc |
Tractor hitch
| Rear Type | II |
|---|
Dimensions & Tires
| Width | 74.4 inches / 188 cm |
|---|---|
| Wheelbase | 83.5 inches / 212 cm |
| 2WD Length | 131.5 inches / 334 cm |
| 2WD Weight | 7477 lbs / 3391 kg |
| 4WD Length | 136.6 inches / 346 cm |
| 4WD Weight | 8245 lbs / 3739 kg |
| Rear tread | 57.5 to 77.2 inches / 146 to 196 cm |
| 2WD Front tread | 51.6 to 70.1 inches / 131 to 178 cm |
| 4WD Front tread | 59.1 inches / 150 cm |
| 2WD Standard tires (ag) | Front: 7.50x16. Rear: 16.9/14x34 |
| 4WD Standard tires (ag) | Front: 11.2/10x24. Rear: 16.9/14x34 |
| Height (steering wheel) | 65 inches / 165 cm |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540/1000 |
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