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Tugboats Moving Along With MTU Engines

Posted on April 14, 2011

Boston Towing and Transportation (BT&T), which operates tugboats in the Boston Harbor, has commissioned two new tugboats powered by twin MTU 16V series 4000 marine diesel engines.

The tugboats, known as the Independence (39 m) and the Justice (30 m), are designed for assisting liquefied natural gas (LNG) tankers that supply natural gas to the Northeast. The LNG tankers belong to Suez Energy North America, a customer of BT&T.

Both boats, designed by naval architectural firm Robert Allan Ltd., join a fleet of eight tugboats owned by BT&T. The Justice was built by Martinac Shipyards in Seattle, Washington, U.S.A., while the Independence was built by Derecktor Shipyards in Bridgeport, Connecticut, U.S.A. Boston-area MTU distributor, New England Detroit Diesel-Allison in Wakefield, Massachusetts, U.S.A., supplied the engines.

The Justice was primarily designed to help ships coming into the Port of Boston, while the Independence was designed for use at the deep-water terminal offshore, BT&T said. Because of the harsher environment that the Independence works in, the larger tug is specially designed with deck and bulwark deicing for cold weather, and for high winds and steep seas.

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