Built in 1979, by the Crumpler's Shipbuilding Company of Bridge City, Texas (hull #822) as the Kenneth Dunagin for Transload and Transport Incorporated of Baton Rouge, Louisiana.
In 1986, the tug was acquired by Robin Hood Shifting Fleeting Service Incorporated of Baton Rouge, Louisiana. Where she retained her name.
In 1987, she was acquired by Alter Barge Line Incorporated of Bettendorf, Iowa. Where the tug was renamed as the Samantha. And, operated by Blackhawk Fleet Incorporated of Davenport, Iowa as the Samantha.
In 2011, the tug was acquired by Blackhawk Fleet Incorporated of Davenport, Iowa. Where she retained her name.
In 2011, she was acquired by the Marquette Transportation Company of Jefferson, Louisiana. Where the tug retained her name.
In 2017, the tug was acquired by Sunflower Enterprises Incorporated of Dubuque, Iowa. Where she was renamed as the Capt. York.
Re powered in 2006, she is powered by two Cummins KTA19-M diesel engines. With Twin Disc reduction gears, at a ratio of 5.9:1. She is a twin screw towboat, rated at 1,000 horsepower.