Built in 2016, by by Conrad Shipyard Incorporated of Morgan City, Louisiana (hull #C-1146) as the Bill Gobell for Harley Marine Services Incorporated of Seattle, Washington.
In 2019, Harley Marine Services Incorporated became the Centerline Logistics Corporation of Seattle, Washington. Where the tug retained her name.
Powered by two, Tier IV compliant, GE L250 diesel engines. With Reintjes WAF 1563 reduction gears, at a ratio of 4.746:1. Turning two, 116(in) pitch, by 110(in) diameter, four bladed, fixed pitch, stainless steel propellers. For a rated at 4,070 horsepower.
Her electrical service is provided by two, John Deere 6068TFM 363OSL1607 generator sets. The tug's capacities are 100,000 gallons of fuel, 7,390 gallons of water, and 975 gallons of lube oil.
The tug is outfitted with an Articouple FRC 55 coupler system.