- stock #rare custom one owner 1973 bertram 31' center console with 2006 twin yanmar diesel engines with only 80 hours!rare one owner custom 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, you rarely see one with a center console and a cuddy cabin.
Bertram
31
Center console
1973
Used
Power
Diesel