An item reported that the German tugs and salvaging company Bugsier of Hamburg ordered the building of a 16.000 hp tug at a shipyard at Bremerhaven . The twin Deutz diesel engines allowed the tug with a length of almost 84 metres a speed of nearly 40 kilometres . At that moment was the American tug Alice L. Moran with her 9.600 hp world’s strongest tug, followed by the Dutch tugs Witte Zee and Zwarte Zee of L. Smit&Co. each with 9.000 hp.