Rodriguez Shipyard in Bayou LaBatre, Ala. is enjoying a busy season with a twin-screw shrimper currently under construction for a late November delivery. The new boat, for owner Steve Nguyan, will be similar to the Lucky B delivered to Louisiana customer Ba Nguyan last August. At 98 by 26 by 12-ft., the boats, are each powered by a pair of Cummins 6-cylinder KTA19 M3 engines rated for 600 hp at 1800 RPM. turning into twin disc 5202 gears with 6.1:1 reductions. The twin engines provide plenty of power but the primary reasons for owners choosing twins is redundancy and close quarter maneuverability, explains Joe Rodriguez. A pair of Cummins…