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THOR
Photo by: Michael Martin

Built in 2007, by Main Iron Works Incorporated of Houma, Louisiana (hull #422) as the Thor for the Suderman and Young Towing Company of Houston, Texas.

A Z-Tech 7500 series tractor tug. Designed by the Naval Architecture firm, Robert Allan Limited of Vancouver, British Columbia.

Along with the Bay Houston Towing Company of Houston, Texas. The Suderman and Young Towing Company is part of a combined operating company, the G and H Towing Company of Houston, Texas.

In 2011, the G and H Towing Company became part of a joint venture between the Moran Towing Corporation of New Canaan, Connecticut. Serving the Cameron LNG facility near Lake Charles, Louisiana.

Powered by two, sixteen cylinder Caterpillar 3516C-HD diesel engines. With Schottel SRP 1520 FP z-drives. Outfitted with 106(in), stainless steel, propellers, for a rated 6,050 horsepower.

Her electrical service is provided by two, 125kW Marathon generator sets. The tug's capacities are 47,530 gallons of fuel, 1,660 gallons of hydraulic oil, 2,089 gallons of lube oil, and 6,299 gallons of potable water.

The tug's towing gear consists of a 200 horsepower, Markey DESF-48 winch on her bow.


  • Vessel Name: THOR
  • USCG Doc. No.: 1199475
  • Vessel Service: TOWING VESSEL
  • IMO Number: 9350551
  • Trade Indicator: Coastwise, Unrestricted
  • Call Sign: WDD8608
  • Hull Material: STEEL
  • Hull Number: 422
  • Ship Builder: MAIN IRON WORKS
  • Year Built: 2007
  • Length: 90.5
  • Hailing Port: HOUSTON, TX.
  • Hull Depth: 16.4
  • Hull Breadth: 39.3
  • Gross Tonnage: 257
  • Net Tonnage: 175
  • Previous Vessel Owners:
    SUDERMAN & YOUNG TOWING COMPANY