Type 1 Linear Drive - 12VLinear drive for mechancically steered vessels up to 22,000lb (10,000kg).Designed for boats with existing mechanical steering systems. The mechanical linear drive provides powerful thrust, fast hardover times and quiet operation. Features:Low backdrive force, to minimize the drives effect on the boats steering when the autopilot is in standbyA powerful electric motor controlled by an electromagnetic fail-safe clutch, using a high tensile belt drive and epicyclic gearboxHigh performance for minimum current consumption