The OKÜ 30 narrow gauge (1000 mm) steam tender locomotive built in 1951 by MAVAG, Budapest. 
Worked on the industrial freight line Ozd-Borsodnádasd until 1992 and after closure the line
it was exhibited at Mosonmagyaróvár railway station.  27.03.2002.

Digital photo by Zoltan Czifra