On Road Truck

Hi Rail System

Conformance

• Rail wheels adjustable to Standard and Broad Gauges
• The gauge will be set to the customer’s request prior to leaving the Harrybilt plant
• All wheels meet the P/D ratio
• All wheels are insulated
• All wheels mounted on flexitor arms to provide twist regulation compliance
• Primary Braking done by original rubber wheel rear axle.  Brakes will provide required deceleration of 1.1m/s2 in tare and 1.0m/s2 when loaded and hold a minimum 1.30 grade
• Machine conforms to relevant sections of AS7500 series standards

Operation

• Wheel sets are raised and lowered hydraulically
• Front suspension held up by axle locks when in rail mode
• Emergency hand pump to raise and lower wheels
• All controls for the hydraulic system located in driver’s cabin
• Proximity switches with indicator lights showing wheel position fully raised or fully lowered
• Automatically engaging road travel mechanical lock
• Speed limiter activated when the rail gear is engaged

Construction

• Fabrication and alterations have been manufactured to relevant sections of Australian Standard AS1554.1 – Welding of Steel Structures (Class ‘GP')
• Wheels machined in Australia from Australian standard 4140 billets
• All materials conforming to Australian standards
• Hydraulic cylinders with hard piped counter balance valves
• All hydraulic work is carried out to Australian standard AS2788 Hydraulic Fluid Power – General
• All hoses conform to Australian standards AS3791

Documentation

• Test documentation supplied for the following,
• Twist test
• Brake performance test
• Rolling stock outline test
• Alignment test