On December 19, Washburn & Doughty Associates, Inc., of East Boothbay, Maine delivered Capt. Harry, a 4200 hp Z Drive tug to Wilmington Tug of Wilmington, Del. Designed by Robert Allan Ltd., this ASD 25/55 Class Tug measure 80 x 32 ft. It will be used primarily for ship docking; however, and extended keel will allow for operation as an escort tug in the indirect mode. Wilmington Tug operates
five tugs, and in 1977 became the first operator in North America to operate a Z Drive Tug. Wilmington Tug’s newest vessel is the ninth Z Drive Tug built by Washburn & Doughty since the Fort Bragg was constructed for Cape Fear Towing in 1998. Two Detroit Diesel model 12V4000 main engines rated at 2100 hp at 1800 RPM power the vessel. The engines drive modular Ulstein Aquamaster 1350 HZ Drives that are removable through soft patches in the aft deck. The main engines are keel cooled with Fernstrum grid-coolers. The vessel has a 20,000-gallon fuel oil capacity, a 250-gallon lube oil capacity and 1,200 gallon fresh water capacity.