Built in 2014, by Palmer Marine Incorporated of Houma, Louisiana (hull #1204) as the Sarah Cenac Cenac Towing Company Incorporated of Houma, Louisiana.
In 2019, the Cenac Towing Company was acquired by the Kirby Corporation of Channelview, Texas. Where the tug retained her name.
Powered by two, Cummins QSK-19 diesel engines. With Twin Disc reduction gears, at a ratio of 5:1. Turning two, stainless steel, fixed pitch propellers. She is a twin screw towboat, rated at 1,320 horsepower.
Her electrical service is provided by two, 40kW generator sets. The tug's capacities are 8,800 gallons of fuel, 165 gallons of lube oil, and 3,150 gallons of water.