Built in 1993, by Halter Marine Services of Lockport, Louisiana (hull #1354) as the Garth Foss for Foss Maritime of Seattle, Washington.
Powered by two General Motors EMD ME 16-710-G7A diesel engines rated at 4,000 horsepower each turning through propulsion unit reduction gears. A turbo coupling between the engine and reduction gear replaces a clutch. With Voith Schneider cycloidal drives for a rated 8,000 horsepower.
The Voith Schneider cycloidal propulsion system consists of two sets of five vertically oriented blades installed ahead of the tug’s center. The system gives the tug 360(degrees) maneuverability. With A 345(sq)(ft) skeg at the stern helps the tug to steer and stop a moving tanker.
Her capacities are 83,700 gallons of fuel, 2,400 gallons of lube oil, and 4,000 gallons of fresh water.