Kind of autopilot. Have a 19’ stripper with 150 hp and 8t hp Yamaha. I also have a Minnkota Ulterra with ipilot I use for autopilot. The 8 hp pushes the boat and the minnkota steers the boat with a remote or through my Humminbird helix. Can pick a heading , follow depth contours or select waypoints and off we go. Works great plus it has an anchor feature too.
just depends how big your boat is , but they did just come out with a 87” shaft for larger boats.