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SAN JOAQUIN RIVER
Photo by: Kyle Stubbs

Built in 1964, by Colberg Boat Works Incorporated of Stockton, California (hull #1163-2) as the San Joaquin River for Crowley Marine Services Incorporated of San Francisco, California.

In 2004, the tug was acquired by the Foss Maritime Company of Seattle, Washington. Where she retained her name.

She is a twin screw towboat, rated at 1,000 horsepower.


  • Vessel Name: SAN JOAQUIN RIVER
  • USCG Doc. No.: 2956300
  • Vessel Service: TOWING VESSEL
  • IMO Number: 88424540
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WDC3248
  • Hull Material: STEEL
  • Hull Number: 1163-2
  • Ship Builder: Colberg Boat Works Inc.
  • Year Built: 1964
  • Length: 64
  • Hailing Port: SAN FRANCISCO, CA.
  • Hull Depth: 8
  • Hull Breadth: 26
  • Gross Tonnage: 140
  • Net Tonnage: 73
  • Owner:
    HANSON MARINE FINANCE INC
    300 E JOHN CARPENTER FREEWAY #1645
    IRVING, TX 75062
  • Previous Vessel Owners:
    HANSON MARINE FINANCE INC