Convertible Roof Drive System

  • HOERBIGER Division Automotive Animation HOERBIGER Division Automotive Animation

Convertible Solutions

Since 1992, HOERBIGER has supplied automobile manufacturers from all over the world with hydraulic roof drives for soft tops, including a large number of premium brands.

We ship our roof drives directly to OEM manufacturers as well as to suppliers of the automotive industry specializing in complete roof systems. We provide them with complete plug-and-play solutions. Thanks to our long-standing production experience, our systems set international benchmarks, both in terms of the hydraulics and in terms of the sensor systems.

Complete solutions based on a modular systems

  • Plug-and-play solutions
  • Compact design
  • Fast installation

A comprehensive modular system forms the technical basis for optimizing the smooth operation of the top. The system includes all necessary hydraulic cylinders, as well as the sensors necessary for the system control.

System performance

System advantages

  • Excellent durability
  • Flexible package
  • Low power consumption
  • Excellent NVH performance
  • Simple electrical control
  • Easy manual operation
  • End position damping
  • Manual operation and hold function without power supply

Technical data

  • Soft and hard top versions
  • Mechanical override function
  • 12V operating voltage
  • Operating temperature: -30° to +80°C
  • Function up to 15° vehicle inclination
  • Fast opening and closing times
  • Operation possible up to 50 km/h


  • Endurance test
  • Overload test
  • Alternating temperature test
  • Thermal stability (heat & humidity)
  • Condensation test
  • Temperature shock test
  • Mechanical test (vibration, shock, fall)
  • Chemical stability
  • Corrosion resistance
  • IP class achievable