Built in 1978, by Main Iron Works Incorporated of Houma, Louisiana (hull #350) as the Andre B. for the Cenac Towing Company Incorporated of Houma, Louisiana.
In 2006, the tug was acquired by Diamond Boats Incorporated of New Iberia, Louisiana. Where she was renamed as the Diamond Six.
In 2011, she was acquired by G Marine Incorporated of Lafitte, Louisiana. Where the tug was renamed as the Kelby James.
She was a single screw tug, rated at 400 horsepower.