Powerstep
Powerstep is a step which enables a more comfortable entry and exit for high-clearance SUVs and small trucks. The powerstep retracts to the vehicle chassis after doors have been closed and remains almost invisible. There are virtually no restrictions regarding floor clrearance. 
Gear box concept:
This spur gear unit was generated using components of the existing CRH gear box modular system. The use of a self-locking mechanism prevents the system from going into operation while non-operative. The motor is designed to be used in extreme temperatures (-40°C to +90°C).