The Servotwin electro-hydraulic steering system for heavy commercial vehicles is the innovative combination of the RB-Servocom ball nut power steering system with an steering control unit, consisting of an electric motor and control unit. The system offers speed-dependent steering assistance with active reverse, various driver assistance functions and enables automated driving functions. For vehicles with two steered axles, the electric assistance eliminates the need for a second hydraulic circuit. The steering system meets global safety requirements.

reduction of


and fuel, compared to conventional dual-circuit steering systems


automated driving

up to driverless transport


cyber security

protected against access from the outside