GARMIN Jefa Linear Drive Unit Type LD100 LD-12 1015 Linear drive 100 KgM DU-LDGARMIN Jefa Linear Drive Unit Type LD100 LD 12 1015 Linear drive 100 KgM DU LD Works with several different autopilot computers. The Jefa Linear Drive is lightweight, compact and has very low power consumption. Its 100 KgM output torque is good for boats from 20 feet up to 45 feet and weighs just 6,6kg. The Linear Drive can be used directly on the existing tiller arm, via the quadrant or and independent tiller arm. 12V model. Jefa 100 KgM autopilot