Marklin 88981 steam locomotive is based on the prototype BR G 8.1 lettered for the Royal Prussian State Railroad (KPEV) with operating number 5239. This was the Marklin Z “Insider Model for 1998.” Based on the prototype, this steam engine carries the photo gray paint scheme as the 7500th locomotive built by Hanomag. Model included the 3 pole motor at the time of release and working headlamps.