This tug was built in 1982 by Bay Shipbuilding as the Amoco Michigan for Amoco Oil. She was renamed Michigan in 1985, and eventually sold to Keystone Great Lakes Inc. In 2010, the Michigan was sold to Chicago Marine Asset Management, and the following year was acquired by U.S. Oil of Appleton, WI. She is managed by Andrie Inc. of Muskegon, MI.
Michigan is paired with the tank barge Great Lakes, and operates across the Great Lakes carrying various liquid products, usually out of Green Bay, WI.
- Type: Twin Screw Tugboat
- Year Built: 1982
- Builder: Bay Shipbuilding Co., Sturgeon Bay, WI
- Hull No.: 732
- Engines: 2 EMD 20-645-E6
- Horsepower: 3,900 bhp
- Length: 107′ 08″
- Breadth: 34′ 00″
- Depth: 16′ 00″
- Port of Registry: Whiting, IN