A steering control unit provides a fully fluid link between the pump and steering cylinder with no mechanical connection. The unit consists of a manually operated directional control servo valve and feedback meter element in a single body.

Hydraulic hydrostatic steering control units are also known as orbitrol Steering Control Units (SCU), Hydrostatic Directions, Orbitrol Steering, Orbitrol Units.

Hydraulic Steering Control Units (SCU) are widely used in hydraulic rudder of ships, steering of low-speed vehicles, such as tractor, truck, loader, grader, hauler, road roller, forklift, combined harvester, engineering or road construction machinery etc. FT/Truck Wheel Loader.