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H. DOUGLAS M.
Photo by: Adriann Cyr

Built in 2015, by the Eastern Shipbuilding Corporation of Panama City, Florida as the H. Douglas M. (hull #236) for the Bay Houston Towing Company of Houston, Texas.

The Suderman and Young Towing Company along with the Bay Houston Towing Company of Houston, Texas. Maintain an operating company, the G and H Towing Company of Houston, Texas.

A Z-Tech 2400 series tractor tug designed by Robert Allan Limited of Vancouver, British Columbia for the Bay Houston Towing Company of Houston, Texas.

Powered by two, Tier III compliant, Caterpillar 3516C diesel engines. With two, Schottel SRP 1215 z drives. Outfitted with 94.5(in) diameter propellers. For a rated 5,150 horsepower.

Her electrical service is provided by two, 99kW, John Deere, 450-V generator sets. The tug's capacities are 37,000 gallons of fuel, and 6,200 gallons of water.

The towing equipment consists of a 50 horsepower, Markey DEPCF-48S, electric hawser winch. Outfitted with 9(in) Saturn 12 Samson hawser.


  • Vessel Name: H. DOUGLAS M.
  • USCG Doc. No.: 1265978
  • Vessel Service: TOWING VESSEL
  • IMO Number: 9794161
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WDI5400
  • Hull Material: STEEL
  • Hull Number: 236
  • Ship Builder: EASTERN SHIPBUILDING GROUP INC
  • Year Built: 2015
  • Length: 70.8
  • Hailing Port: HOUSTON, TX.
  • Hull Depth: 14.9
  • Hull Breadth: 38.3
  • Gross Tonnage: 197
  • Net Tonnage: 49
  • Owner:
    BAY HOUSTON TOWING CO
    2243 MILFORD STREET PO BOX 3006
    HOUSTON, TX 7725
  • Previous Vessel Owners:
    BAY-HOUSTON TOWING CO, BAY-HOUSTON TOWING CO, BAY-HOUSTON TOWING CO, BAY-HOUSTON TOWING CO