Built in 1996, by the Greenville Shipbuilding Corporation of Greenville, Mississippi (hull #85) as the Mack for the Greenville Shipbuilding Corporation of Greenville, Mississippi.
In 1996, the tug was acquired by Eckstein Marine Services of Jefferson, Louisiana. A division of the Marquette Transportation Company of Jefferson, Louisiana. Where she was renamed as the EMS Express.
In 2004, she was acquired by an undisclosed interest in the Republic of Suriname. Where she was renamed as the Kenley.
Powered by two, Caterpillar 3512 diesel engines. With Reintjes reduction gears, at a ratio of 6.48:1. She was a twin screw towboat, rated at 2,400 horsepower.