- Stock #273449 - 1989 Shamrock powered with a Cummins 6BT 210, inboard keel drive. Offshore fishing setup, ready to go. It is not just being lucky to find a Shamrock but to own one brings all the luck in bringing in your daily limits!! Shamrock is a reputable manufacturer to produce a proven product for one thing - to catch Fish! This Shamrock 260 Predator Open was used by the current Owner for two things: catch fish and eat fish. If you don't want a Shamrock then don't get one. But when you've been on a Shamrock you will want one!! These boats have been around since early 1970's and a... read more