It is easy to see that a Shamrock diesel inboard gets better fuel economy, lasts longer and costs less to keep. Advantage Shamrock!
Seasoned mariners have learned and valued the advantages of a single inboard engine with a Pocket Drive; that's why they use them. In fact, Shamrock Pocket Drive boats are used around the world as tenders, in commercial towing or salvage operations, even working on oil spills in Alaska. So when you get behind the helm of a Shamrock Pocket Drive, you can rest assure you have years of hard, real world service behind you.
RPM @ Cruise
Time to major repair
Timing belt replacement
Clean fishable transom
Safer more stable boat
Better resale value
Results may vary depending upon load, sea conditions and other variables.