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SIGRID DUNLAP
Photo by: Captain Rick Wilson

Built in 2018, by the Hansen Boat Company of Everett, Washington (Hull# HBC122020415) as the Sigrid Dunlap for the Dunlap Towing Company of La Conner, Washington.

Powered by two, Tier III compliant Caterpillar C175-16 diesel engines. With Reintjes WAF 1173 reduction gears, at a ratio of 8.77:1. Turning two, 120(in) by 121(in), fixed pitch, propellers mounted Nautican kort nozzles. Outfitted with triple rudders, she is a twin screw tug, rated at 5,350 horsepower.

Her electrical service is provided by two, 118kW Caterpillar generator sets. The tug's capacities are 152,000 gallons of fuel, and 12,600 gallons of water.

The towing gear consists of a double drum, Markey TDSDS-36 tow winch. Outfitted with 3,100(ft) of 2.25(in) wire on the primary drum. And 2,200(ft) of 1.25(in) wire on the secondary drum. With a Markey DESW 32-20 hawser winch mounted on the bow.


  • Vessel Name: SIGRID DUNLAP
  • USCG Doc. No.: 1265980
  • Vessel Service: TOWING VESSEL
  • IMO Number: 9855068
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WDJ9975
  • Hull Material: STEEL
  • Hull Number: HBC122020415
  • Ship Builder: HANSEN BOAT COMPANY
  • Year Built: 2018
  • Length: 116
  • Hailing Port: LA CONNER, WA.
  • Hull Depth: 18
  • Hull Breadth: 38
  • Gross Tonnage: 559
  • Net Tonnage: 167
  • Previous Vessel Names:
    PHYLLIS#2
  • Previous Vessel Owners:
    DUNLAP TOWING COMPANY