Montenegro registred "Kgs" class rail cargo wagon of the Austrian EIVEL (Strabag group) in Szeged-Rókus station, Hungary. Key for Kgs letter group: *K = Flat wagon with two axes *g = for transport of containers *s = In circulation according to the European "Technical Specification for Interoperability", appendix "B", standard "s" (vmax = 100km/h)