EngineInternational Harvester 3.9L 4-cyl diesel
Transmission8-speed 12-speed
Drive4x2 2WD/4x4 MFWD 4WD
Torque185.2lb-ft / 251.1Nm

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.

Engine

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.

Transmission

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.

Brakes

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.

Steering

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.

Common Problems

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.

What Users Like

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.

International Harvester 734 Technical Specifications

Power

Engine (gross)73hp / 54.4kW
Engine (net)66.1hp / 49.3kW
Pto (claimed)61.7hp / 46.0kW

Engine Detail

DescriptionInternational Harvester D-239 diesel 4-cylinder liquid-cooled
Displacement238.7ci / 3.9L
Bore/stroke3.87x5.06inches / 98x 129mm
Power (gross)73hp / 54.4kW
Fuel Systemdirect injection
Compression16:1
Rated Rpm2200
Torque185.2lb-ft / 251.1Nm
Torque Rpm1200
Starterelectric
Starter Volts12
Oil Capacity9.5qts / 9.0L
Coolant Capacity20.6qts / 19.5L

Engine

DescriptionInternational Harvester 3.9L 4-cyl diesel
Fuel Tank18.5gal / 70.0L

Mechanical

Chassis4x2 2WD/4x4 MFWD 4WD
Final Drivesplanetary
Differential Lockmechanical rear
Steeringpower
Brakesdisc
CabCab standard with optional heater
Transmissions8-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

Wheelbase83.5inches / 212cm
2wd Length131.5inches / 334cm
4wd Length136.6inches / 346cm
Width74.4inches / 188cm
Height (steering Wheel)65inches / 165cm
2wd Weight7477lbs / 3391kg
4wd Weight8245lbs / 3739kg
2wd Front Tread51.6 to 70.1inches / 131to 178cm
4wd Front Tread59.1inches / 150cm
Rear Tread57.5 to 77.2inches / 146to 196cm

Dimensions And Tires

Wheelbase83.5inches / 212cm
Weight7477 to 8245 pounds
Front Tire7.50x16
2wd Rear Tire16.9/14x34

Tractor Hitch

Rear TypeII

Power Take Off Pto

Rear Ptoindependent
Rear Rpm540/1000

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