Commercial Vehicle Solutions

ReAX Gear Mounted

Electrically Assisted Hydraulic Steering

Key Facts

Adaptive SteeringVehicle speed-dependent steering assist eases maneuvering and improves stabilityFatigue ReductionReduces steering effort, helping minimize fatigueSeamless IntegrationOne solution for all powertrains and vehicle types, supporting ADAS system
ZF’s ReAX is an advanced electrically assisted steering system developed to elevate steering performance. Working with a hydraulic steering gear, ReAX intelligently responds to vehicle signals and driver inputs, enhancing steering precision for a safer, more efficient, and more comfortable driving experience.

Details

Customer Benefits

  • Enhances drivability and maneuverability, improving overall safety and comfort

  • Reduces steering effort, helping to minimize fatigue on long journeys while boosting driver confidence

  • Complies with the European General Safety Regulation UNECE R79 and the Chinese Safety Standard GB 17675 without requiring additional hydraulic redundancy

  • Complies with UNECE R155/R156 cybersecurity and software management regulations

  • Works seamlessly with ZF’s ADAS system or those from 3rd parties

  • Provides one solution to all powertrain concepts, seamlessly integrating with electric vehicle architectures

  • Can be applied to a wide range of medium- and heavy-duty trucks, coaches and city buses

Features & Capabilities

  • Comes with an actuator connected to a hydraulic steering gear to deliver precise and stable steering ​

  • Delivers vehicle speed-dependent steering assist to ease manoeuvring and improve stability ​

  • Improves handling and directional control, even in difficult road conditions such as potholes and bumps

  • Enables OEMs optionally to create customizable steering profiles and provide them to drivers through an onboard HMI

  • Enables various value-added safety functions such as Lane Keeping Assist (LKA) and Continuous Lane Keeping Assist (CLKA)

  • Designed for SAE-Level 2 and higher automation for specific applications​

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