The International Harvester 734 tractor is powered by a International Harvester 3.9L 4-cyl diesel engine and 185.2lb-ft / 251.1Nm of torque. It has a 4x2 2WD/4x4 MFWD 4WD drive configuration and a 8-speed 12-speed transmission.
The engine is an International Harvester D-239 diesel 4-cylinder liquid-cooled with a displacement of 238.7ci / 3.9L and a bore/stroke of 3.87x5.06inches / 98x 129mm. It has a power output of 73hp / 54.4kW (gross) and 66.1hp / 49.3kW (net) with a claimed PTO power of 61.7hp / 46.0kW. The fuel system is direct injection with a compression ratio of 16:1. The engine is started by an electric starter with 12 volts and has an oil capacity of 9.5qts / 9.0L and a coolant capacity of 20.6qts / 19.5L.
The transmission has two options: 8-speed and 12-speed. The engine power is transmitted to the wheels through a manual gearbox with a dry single-disc clutch. The transmission has a synchronized gear shift with a shuttle lever for forward and reverse. The transmission also has a live PTO with a two-stage clutch. The engine power is transmitted to the rear wheels through planetary final drives.
The brakes are disc brakes that are hydraulically actuated. The tractor has a mechanical rear differential lock. The brakes are operated by a foot pedal and are independent of each other. The tractor also has a parking brake that is mechanically actuated and is located on the right side of the operator's seat. The brakes are reliable and provide good stopping power.
The steering is power-assisted and is easy to operate. The tractor has a turning radius of 3.5m and has a hydrostatic power steering system. The fuel tank has a capacity of 18.5gal / 70.0L. The steering is responsive and provides good control over the tractor. The tractor has a comfortable operator's seat with good visibility.
Users have reported issues with the clutch slipping and the transmission gears grinding. The hydraulic system has also been reported to have leaks. The tractor's electrical system has also been reported to have issues with the alternator and battery. The engine has been reported to have issues with overheating and oil leaks. The brakes have also been reported to have issues with sticking.
Users like the tractor's reliability and durability. The tractor is also easy to operate and has good visibility. The tractor's power output is also appreciated by users. The tractor's disc brakes are also liked by users for their reliability and stopping power. Users also appreciate the tractor's comfortable operator's seat.
Power | |
|---|---|
| Engine (gross) | 73hp / 54.4kW |
| Engine (net) | 66.1hp / 49.3kW |
| Pto (claimed) | 61.7hp / 46.0kW |
Engine Detail | |
| Description | International Harvester D-239 diesel 4-cylinder liquid-cooled |
| Displacement | 238.7ci / 3.9L |
| Bore/stroke | 3.87x5.06inches / 98x 129mm |
| Power (gross) | 73hp / 54.4kW |
| Fuel System | direct injection |
| Compression | 16:1 |
| Rated Rpm | 2200 |
| Torque | 185.2lb-ft / 251.1Nm |
| Torque Rpm | 1200 |
| Starter | electric |
| Starter Volts | 12 |
| Oil Capacity | 9.5qts / 9.0L |
| Coolant Capacity | 20.6qts / 19.5L |
Engine | |
| Description | International Harvester 3.9L 4-cyl diesel |
| Fuel Tank | 18.5gal / 70.0L |
Mechanical | |
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Final Drives | planetary |
| Differential Lock | mechanical rear |
| Steering | power |
| Brakes | disc |
| Cab | Cab standard with optional heater |
| Transmissions | 8-speed 12-speed |
Tires | |
| 2wd Standard Tires (ag) | Front: 7.50x16. Rear: 16.9/14x34 |
| 4wd Standard Tires (ag) | Front: 11.2/10x24. Rear: 16.9/14x34 |
Dimensions | |
| Wheelbase | 83.5inches / 212cm |
| 2wd Length | 131.5inches / 334cm |
| 4wd Length | 136.6inches / 346cm |
| Width | 74.4inches / 188cm |
| Height (steering Wheel) | 65inches / 165cm |
| 2wd Weight | 7477lbs / 3391kg |
| 4wd Weight | 8245lbs / 3739kg |
| 2wd Front Tread | 51.6 to 70.1inches / 131to 178cm |
| 4wd Front Tread | 59.1inches / 150cm |
| Rear Tread | 57.5 to 77.2inches / 146to 196cm |
Dimensions And Tires | |
| Wheelbase | 83.5inches / 212cm |
| Weight | 7477 to 8245 pounds |
| Front Tire | 7.50x16 |
| 2wd Rear Tire | 16.9/14x34 |
Tractor Hitch | |
| Rear Type | II |
Power Take Off Pto | |
| Rear Pto | independent |
| Rear Rpm | 540/1000 |