Featured Boat 60' Bertram CONVERTIBLE CATERPILLAR POWER 1991 US$ 529,000 1991 60' Bertram Convertible, REPOWERED with 1420hp 3412E Cat's 3/'08, warranty to 2013, 30 Kt cruise. Interior was completely gutted and redone in maple woodwork and corian counter tops. Boat shows like new. Save 100's of thousands over a newer similiar equipped boat. Would consider trade. Another big price reduction!! The buyer of this beautiful boat will not be disappointed!!