A successful construction from the year 1914/15 for the suburban traffic of Budapest. Because the Budapest locomotive factory was unable to deliver enough locos, many were ordered from Henschel, Kassel. They came to Slovenia after 1928 and served till the end of the steam era on all important branch lines: Jesenice - Planica, Jesenice - Nova Gorica - Sežana / Ajdovščina, Ljubljana - Novo mesto - Metlika, Grosuplje - Kočevje, Maribor - Prevalje and Maribor - Pragersko - Kotoriba. Source: Slovenian Railway Museum - Ljubljana
