Raymarine Type 1 Linear Drive - 12V

The Raymarine Type 1 Linear Drive - 12V (M81130) is an electromagnetic autopilot actuator designed for mechanically steered vessels up to 22,000 lbs. Built to retrofit directly into existing mechanical steering systems, this 12-volt linear drive delivers precise helm control with minimal complexity—no hydraulic plumbing, no additional steering components, just straightforward electromechanical automation that integrates seamlessly with traditional cable or rod steering setups.

The unit combines a powerful electric motor with an electromagnetic fail-safe clutch to balance responsive autopilot performance against low backdrive force during standby mode. This means the linear drive doesn't fight the helm when the system is inactive—a critical design detail that preserves natural steering feel and reduces fatigue during manual operation. Fast hardover times and quiet operation are hallmarks of the Type 1 design, making it practical for both daytime cruising and overnight passages where cabin noise matters. At 17.3 lbs and measuring 12 x 5 x 31 inches, the unit fits beneath most cabin soles or in locker spaces typical of 25–50-foot cruising sailboats and trawler-style powerboats.

This Raymarine linear drive suits cruising sailors and trawler operators who value simplicity and reliability over advanced electronics integration. Weekend fishermen running traditional mechanical steering benefit from the straightforward installation and lack of proprietary sensors or software dependencies. Weekend and extended-range operators alike appreciate the fail-safe clutch architecture—if power is lost or the system fails, the helm remains fully responsive with no binding or resistance. The 12-volt specification aligns with standard marine house-bank sizing, eliminating dedicated high-amperage circuits on smaller vessels.