ATD Tugs 2909 "ZP Boxer" and "ZP Bulldog" KOTUG International in the Netherlands took delivery of the Damen ATD Tugs ‘ZP Boxer’ and ‘ZP Bulldog’ for their operations in the German Port of Hamburg. The Azimuth Tractor Drive Tug 2412 design is powerful yet extremely compact. Installed horsepower is 5600 bhp, generating a bollard pull of 70 tonnes. Vessels are equipped with Damen’s patented ‘Twin Fin’ technology resulting in excellent course stability without impairing its manoeuvrability. Download Product SheetSee all deliveries