A list dated 1 November 1905 reported that the Arnhemsche Sleephellingmaatschappij, Arnhem, Netherlands built the steel German Rhine steam tug Friedrich destined for Ehrenbreitstein. Fitted out with a 275ihp diagonal triple engine. Displacement 125 tons and as dimensions 24,60 x 5,20 x 2,55 x 1,70 metres.
