Interesting story about a new tug boat running on S.F. Bay.
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2009/06/14/MNB8185JOR.DTL
This story has much better info and more photos of the Delta Billie. Corrects the engine info: two Caterpillar 3516C engines with 3,400 hp each at 1800 RPM.
http://www.baydeltamaritime.com/images/Baydelta PMM Supplement_2.pdf
http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2009/06/14/MNB8185JOR.DTL
This story has much better info and more photos of the Delta Billie. Corrects the engine info: two Caterpillar 3516C engines with 3,400 hp each at 1800 RPM.
http://www.baydeltamaritime.com/images/Baydelta PMM Supplement_2.pdf