The first reference to the word tug. This is the name given to a small towing vessel built in Dunbarton as a ship assistant.. This MTl tug is built to last and made to be a work horse. There are not a lot of fancy extras to this one but in terms of a commercial vessel, this one is top notch . The current owner uses it for commercial use only . Tugs boats like this 1940 Motor launch tug are built to last and can be used in any commercial business. This vessel in particular has been redone and has been outfitted for hauling for commercial use. She comes equipped with ...