Photo by: William L. Baxter
Built in 2000, by Progressive Industrial Incorporated of Panama City, Florida (hull #170) as the Marshall Callahan for the Skanska Group of New York, New York.
Powered by two, John Deere 6081 diesel engines. With Tonan 729 reduction gears, at a ratio of 5:1. Turning two, 46(in) by 37(in), fixed pitch propellers. She is a twin screw towboat, rated at 600 horsepower.
Her electrical service is provided by one, 20kW, Kubota generator set. The tug's capacities are 1,300 gallons of fuel.