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High performance reliable equipment – Liebherr Straddle carriers User Manual

Page 6

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6

• Liebherr AC electrical system designed for crane

application

• Smooth and precise movements with short

response times

• Crane management system (CMS) with advanced

features and data logging

• High quality components
• Maximum reliability
• Crane specific modular design

Diesel Engine

• Industry leading engine suppliers
• Efficient fuel management system with

regenerative shared power between drives

• Sound insulated enclosure

High Performance Reliable Equipment

5

Steer and Brake by Wire

• 4-Axles steer-by-wire for reduced tyre wear,

estimated lifespan 8000hrs / tyre

• Steering input is via an electronic steering wheel

simulator in the driver’s cabin

• Wheels automatically align themselves
• Brake by wire, no hydraulics in drivers cabin
• Each sill beam has its own independent electrically

driven hydraulic system for steering, braking and
cooling - all hydraulics at ground level for ease of
maintenance

• Large reduction in the amount of oil required

compared to conventional straddle carriers

• Shock relief valves for impact protection

Liebherr Electrical Drive Systems

Travel Brakes

• Twin operating brake system-electric regen and

hydraulic wet disc brakes (WDB)

• Filtered cooling oil is continuously circulated around

disc sets

• Less wear on WDB, Less heat generated
• Fail safe park brakes