Brigadelok Narrow Gauge Steam Engine Dn2tTypically used with a width of 600 mm. After the war, the Polish State Railways used the HF steam locomotives in the years 1918-1970. They were used also used on railways in the forestry and sugar industries. They were withdrawn because of the difficulty in getting parts to repair them. Some of the machines are in the train museums at Sochaczew, Skierniewice and Wenecja.