Built in 1966, by Main Iron Works Incorporated of Houma, Louisiana (hull #179) as the Dixie Valour for Dixie Marine Incorporated of Houston, Texas.
In 1998, the tug was acquired by the Kirby Corporation of Channelview, Texas. Where she retained her name.
In 2020, she was phased out of active service and was "laid up" at Houston, Texas.
Powered by two, Volvo D25 diesel engines. With Twin Disc reduction gears, at a ratio of 4.6:1. She was a twin screw towboat rated at 1,200 horsepower.