Built in 2019, by the Western Towboat Company of Seattle, Washington (hull #19) as the Mariner for the Western Towboat Company of Seattle, Washington.
She was the third Westrac class tug built by the Western Towboat Company. The tug's hull will be constructed of steel, with the pilot house, and superstructure constructed of aluminum.
Powered by two, Tier III complaint Caterpillar 3512C diesel engines. With Schottel SRP 1215 z-drives, for a rated 3,980 horsepower.
Her electrical service is provided by two, 73kW Tier III compliant, John Deere generators. The tug's capacities are 30,000 gallons of fuel, 4,500 gallons of water, and 900 gallons of lube oil.
The towing gear consists of a DMT Marine Equipment 011-H350kN single drum winch, with with 500(ft) of 2.5(in) Plasma line, on the bow. And, a Western Towboat-built, single drum, towing winch on the stern. Outfitted with 1,800(ft) of 1.75(in) towing wire, and with 200(ft) of 2.5(in) Plasma line. As well as a Pullmaster M50, auxiliary stern winch, with with 200(ft) of 2.5(in) Plasma line.
(Captain Russell Shrewsbury)