Full hydraulic steering

Full hydraulic steering system with a steering transmitter, one actuated by the steering transmitter steering unit which has a supply connection arrangement having a pressure connection and a tank connection, and a working connection arrangement with two working connections, and a steering motor, which is connected to the working connection arrangement, characterized in that an auxiliary power-operated steering valve (16) is arranged parallel to the steering unit (5) between the supply connection arrangement (P, T) and the working connection arrangement (L, R), the steering motor (10) is proportional to the steering control unit (5).