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PUERTO NUEVO
Pictured as: the Neill McAllister (McAllister Towing) Photo by: Birk Thomas

Built in 1964, by the Equitable Equipment Company Incorporated of Madisonville, Louisiana (hull #1314) as the Puerto Nuevo for the Puerto Rico Lighterage Company of San Juan, Puerto Rico.

In 1976, the Puerto Rico Lighterage Company was acquired by Crowley Marine Services Incorporated of San Francisco, California. Where the tug retained her name.

In 1999, the tug was acquired by the McAllister Towing and Transportation Company of New York, New York. Where initially, the tug retained her name.

In 2008, the McAllister Towing and Transportation Company renamed the tug as the Neill McAllister.

In 2017, the tug was acquired by Greyfield Energy Services Limited of Trinidad and Tobago. Where she was renamed as the Grayfield T1.

She was powered by two, twelve cylinder, Caterpillar 12-D-398 diesel engines. With Caterpillar 3192 reduction gears, at a ratio of 5.31:1. She is a twin screw tug, rated at 1,800 horsepower.

Her capacities were 34,000 gallons of fuel oil, 500 gallons of lube oil, and 4,500 gallons of potable water.
(Captain Christopher Roehrig)


  • Vessel Name: PUERTO NUEVO
  • USCG Doc. No.: 0294841
  • Vessel Service: TOWING VESSEL
  • IMO Number: 06420290
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WDA5304
  • Hull Material: STEEL
  • Hull Number: 1314
  • Ship Builder: EQUITABLE EQUIPMENT COMPANY, INC.
  • Year Built: 1964
  • Length: 89.4
  • Hull Depth: 9.5
  • Hull Breadth: 28.1
  • Gross Tonnage: 191
  • Net Tonnage: 77
  • Previous Vessel Names:
    PUERTO NUEVO, M/V PUERTO NUEVO, NEILL MCALLISTER
  • Previous Vessel Owners:
    Puerto Rico Lighterage Co., Crowley Marine Services Inc., MCALLISTER FAMILY INVESTMENTS LLC, MCALLISTER FAMILY INVESTMENTS LLC