Built in 2020, by Nichols Brothers Boat Builders, of Freeland, Washington (hull #S193) as the Leisa Florence for Foss Maritime of Seattle, Washington.
Powered by two, Tier 4 compliant MTU 16v4000M65L diesel engines. With Kongsberg US255 z-drives. For a rated 6,866 horsepower.
Her electrical service is provided by two, Tier III complaint, 120kW, John Deere 6068AFM85 generator sets. The tug's capacities are 72,500 gallons of fuel, 1,050 gallons of water, 1,720 gallons of lube oil, and 5,777 gallons of urea.
The towing equipment consists of a Markey DEPCF-52R winch with 750(ft) of 10(in) synthetic line on the bow. And a Markey double drum TESD-34AS winch with 2,600(ft) of 2.25(in) wire on the stern.