The ÖBB 998.01 was a narrow gauge - steam locomotive of the ÖBB mm with a gauge of the 760th It was built in 1920 by Krauss in Munich with a gauge of 750 mm for the Kreuznacher Kleinbahnen district , where it was in use with company number 1 (second occupation) until it was shut down in 1936. The design of the wet steam locomotive with the C1t wheel arrangement, with flat slides on the steam cylinders and an outer frame around the fire box, resembles the appearance of many much older Krauss designs such as the Austrian U series .
During the Second World War it came to what is now Austria via the German army field railway with the number 11200. The C1t locomotive stayed here even after 1945, where it was in service on the Pinzgau Railway between Zell am See and Krimml . Shut down in the 1960s, it was not formally retired until 1973.