Tractor Tug William M

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The C-Tractor 3, sister ship to the William M, escorts the USS Jimmy Carter.

The Tractor Tug William M (originally named the C-Tractor 1) is a harbor tug, originally built for and owned by Alpha Marine Services, a subsidiary of Edison Chouest Offshore.[1][2] She was completed in 1989 and was originally named the C-Tractor 1. She was the first in a series of 14 tractor tugs built by North American Shipbuilding for Edison Chouest Offshore.[3] In 2005 she was sold to Bay-Houston Towing Company, and is now based in Corpus Christi, Texas.

The William M and her sister ships' gross displacement is 189 tons.[1][4] They are propelled by Z-drive pods, powered by twin EMD 16-645 engines rated at 4,000 Shaft horsepower. The vessels mount fore and aft fire-fighting water cannons, capable of pumping 3,500 gallons per minute.

Her sister ships continue to be owned by Alpha Marine and six of them, C-Tractor 2, C-Tractor 3, C-Tractor 4, C-Tractor 5, C-Tractor 12, C-Tractor 13 are currently chartered to the United States Navy.[5][6]


  1. 1.0 1.1 "Bay-Houston Towing Buys Tractor Tug". Maritime Reporter and Engineering News. 2005-02-03. Archived from the original on 2009-05-19. 
  2. "Our boats". Bay-Houston Towing Company. Archived from the original on 2009-05-19. 
  3. "North American Shipbuilding, Larose LA, North American Fabricators, Houma LA, and Gulf Ship, Gulfport MS". Shipbuildinghistory. Archived from the original on 2009-05-19. 
  4. "C Tractor 3". Shipping Intelligence Network. Archived from the original on 2009-05-19. 
  5. "Jimmy Carter (SSN-23): Commissioning - Present". Archived from the original on 2009-05-19. 
  6. "TC0108". United States Navy. Archived from the original on 2009-05-19.