1973 Bertram 31

- stock #rare custom one owner 1973 bertram 31' center console with 2006 twin yanmar diesel engines with only 80 hours! rare 1973 bertram center console sport fisherman with a short tuna tower. this bertram was repowered with 2006 twin yanmar 4 cylinder diesel motors, with approximately 80 hours since installed! many people love the bertram, but how often do you see one with a center console and a cuddy cabin.