Lewmar offers an Autopilot Drive Unit provision for all of their steering systems as well as for retro-fitting to any boat. Models for Constellation, Cobra and Mamba steering systems come in 12v or 24v models and are all compatible with the major brands of autopilot electronics on the market. Many production boat builders install Lewmar steering system with the provision to add a drive unit to their boats with minimal installation issues compared with buying a competitors system off the shelf. For more information regarding a Lewmar drive unit installation on your boat contact BLA on 1300 252 725.