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DUTY
Photo by: Birk Thomas

Built in 2007, by Patti Shipyard Incorporated of Pensacola, Florida (hull #166) as the Duty for Express Marine Incorporated of Camden, New Jersey.

Powered by two, Caterpillar 3512BDITA diesel engines. With two SteerProp SP14 "z drives. Turning two, 1900(mm) diameter, four bladed, propellers. For a rated 3,000 horsepower.

Due to the high amount of coal dust generated by the product their barges carry. The Duty is outfitted with an expanded air filtration capacity both, for use by air breathing engines, and for the interior. Much of the extra filtration equipment is located in the stack assembly of the tug. Air being drawn into the vessel whether it be for ventilation, or for internal combustion. Is drawn into a filter bank. Any air drawn down to the engines, or engine room is filtered twice.

Her electrical service is provided by three, 130kW, John Deere 6081AMK330 generator sets. The tug's capacities are 44,000 gallons of Fuel Oil, 850 gallons of Hydraulic Oil, 850 gallons of lube oil, 1,400 gallons of waste oil 4,900 gallons of potable water, 6,000 gallons of wash water and 1,700 gallons of sewage.

Her towing gear consists of a JonRie InterTech 500, single drum, hydraulic towing winch. Outfitted with 2,400(ft) of 1.75(in) towing wire. As well as a, JonRie InterTech 421 hydraulic capstans The capstans are mounted next to the tow winch and on the tug's bow. Power for the winch is produced by one of the tug's three generators.

The tug is outfitted two hydraulic towing pins, and a hold down clamp as well as a transom roller on her stern. And, a 10 ton North Pacific MCT-1030 hydraulic crane. With a telescoping boom and, a 30(ft) reach. Mounted on the second deck, aft of the wheelhouse.

She is fitted with custom designed port, and starboard deck winches. For wire push gear, in lieu of using the towing winch for the push gear.

Fixed pads are mounted on each side of the tug to maintain stability while pushing in a barge's notch. A number of Express Marine Incorporated's vessels feature this type of pad arrangement. Which was originally designed by the company for use on its 1150 class barges for service to the Hudson Generating Station in Jersey City, New Jersey. The tugs typically force their way into and out of the notch with the application of grease on the pads.
(Wayne Huebschman)


  • Vessel Name: DUTY
  • USCG Doc. No.: 1191638
  • Vessel Service: TOWING VESSEL
  • IMO Number: 9427299
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WDD5291
  • Hull Material: STEEL
  • Hull Number: 166
  • Ship Builder: PATTI SHIPYARD INC
  • Year Built: 2006
  • Length: 97.9
  • Hailing Port: PHILADELPHIA, PA.
  • Hull Depth: 15
  • Hull Breadth: 32
  • Gross Tonnage: 190
  • Net Tonnage: 129
  • Owner:
    PA TUG & BARGE INC
    2081 STEWART DRIVE
    HATFIELD, PA 19440