The narrow-gauge steam locomotive 997243-1 is ranked at the station of the Harz Narrow Gauge Railways in Wernigerode in the district of Harz, Saxony-Anhalt, Germany. The VEB Locomotivbau Karl Marx Babelsberg (LKM) in Babelsberg near Potsdam built between 1950 and 1960 this narrow-gauge steam locomotive for the railways Eisfeld–Schönbrunn, Gera-Pforten-Wuitz-Mumsdorf, Trans-Harz Railway and Brocken Railway. This narrow-gauge steam locomotive wore the first number 99243 and was renamed 997243-1 in the early 70s. Today it belongs to the Harz Narrow Gauge Railways in Wernigerode and serves the Trans-Harz Railway, the Brocken Railway and the Selke Valley Railway.