Built in 1961, by Gulfport Shipbuilding of Port Arthur, Texas (hull #547) in as the M. Moran for the Moran Towing Company of New York, New York.
In 1970, the Moran Towing Company renamed the tug as the Port Arthur.
In 1972, the Moran Company renamed the tug as the M. Moran.
In 2000, the tug was acquired by McKeil Marine Limited of Ontario, Canada. Where she was renamed as the Salvager.
In 2004, McKeil Marine Limited renamed the tug as the Wifred Seymour. However, McKiel Marine Limited later shortened the name to the Wilf Seymour.
The tug was fitted with an upper wheelhouse, and Bludworth Coupler System. And, "married" to the 435(ft), by 74(ft) multi purpose barge the Alouette Spirit.
Powered by two, EMD 6-645-E7 diesel engines. With Falk reduction gears, at a ratio of 4.074:1. Turning two, fixed pitch, propellers. She is a twin screw tug, rated at 5,750 horsepower.
Her electrical service is provided by one, six cylinder, 115kW John Deere generator set. And, a six cylinder, 97kW Cummins generator set. With a hydraulic pack, powered by a Detroit Diesel 6v71 diesel engine.
The towing equipment consists of a hydraulic Markey towing winch, outfitted with 3000(ft) of 2.25(in) towing wire. The tug is also outfitted with a Bludworth coupler system.