Tugboat built in 1953
USACE "Bayfield is tugboat museum ship at Lake Superior Maritime Visitor Center, Duluth, Minnesota. "Bayfield" was built in 1953 as United States Army tugboat ST-2023. The Army's ST, small tugs, ranged from about to in length. The "ST-2023" was built by the Roamer Boat Company in Holland, Michigan. Roamer Boat Company was founded by Robert R. Linn in 1946. "ST-2023" was the 8th hull built by Roamer Boat Company. "Bayfield" is a small steel hull harbor tug. "ST-2023" is of the design 320 type. Design 320 type is based on the "Equity 45" type tugboat that was designed by Equitable Equipment Company. The Equitable Equipment Company was founded by Neville Levy in 1921 and is located on the Tchefuncte River in Madisonville, Louisiana, The United States Army transferred "ST-2023" to the U.S. Army Corps of Engineers (USACE) in 1962 as USACE "Bayfield. "Bayfield" was retired in 1995, and transferred as a fully functional museum ship to the Lake Superior Maritime Visitor Center. She is powered by a single diesel engine (Detroit 8V-71) built by Detroit Diesel with a single propeller. She as a length of , a beam of and depth of . 
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