 In 1914, one locomotive reached a speed of 152 km/h on a trial run with three coaches (according to some sources it may even have reached 156 km/h).The Deutsche Reichsbahn took over 77 locomotives as Class 17.11-12 with the numbers 17 1124–1144 and 1154–1209.In the DR in the GDR two 1914 variant locomotives were given "Wendler" coal-dust firing.