SIMRAD DD15 direct Drive Unit is a very strong and compact autopilot drive and more efficient than hydraulic and most electromechanical autopilot drive units. It is powerful (the max. output torque of 150 Kgm is equivalent to 150 Kg force on the end of a 1 meter steering tiller) and is build for 24 hours per day continuous operation with a total weight of only 12 Kgs. « less