Design Portfolio Tugs Tier IV 74′ x 30′ Tug Series Learn More » Tier IV 74′ x 30′ Tug Series Tier IV 86′ x 36′ Tug Series Tier IV 92′ x 38′ Tug Series Tier IV 96′ x 34′ Tug Series Tier IV 108′ x 40′ Tug Series Tier IV 100′ x 40′ Tug Series 78′ x 36′ ASD Tug 98′ x 38′ ASD Tug 108′ x 40′ Z-Drive Tug 60′ x 22′ Z-Drive Tug 72′ x 30′ Z-Drive Tug 79′ x 30′ Z-Drive Tug 41′ Truckable Tug 25′ Truckable Workboat 39′ x 16′ Workboat 110′ x 40′ Tractor Tug 55m Arctic Support Vessel 156’x 46′ Ocean going Tug 70m AHTS 46m Line Haul Tug 146′ x 46′ Ocean Going Tug 120′ x 35′ ASD Tug 35m Articulated Tug 34m Multi-Purpose Tug 108′ x 35′ Z-Drive Tug 100′ x 40′ Z-Drive Tug 96′ x 34′ Z-Drive Tug 94′ x 32′ ASD Tug 92′ x 38′ ASD Tug 86′ x 36′ Z-Drive 74′ x 30′ Harbor Tug 65′ x 24′ Z-Drive Tug 60′ x 20′ Workboat