The internet, involving mostly Hungarian language sites, has been searched for information. Working in Gyor, in western Hungary for Kisalfold Volan ('Small Plains of Volan') are:
IKE-116 - entered service 12/02
IKE-117 - entered service 03/03
IKE-118 - entered service 12/02
KCM-442 - entered service 06/03 (rereg from IOF-549 in 03/06)
KCM-443 - entered service 06/03 (rereg from IOF-542 in 03/06)
(KCM-448) - entered service xx/03 (rereg from IVJ-710 in xx/xx)
(KCM-452) - entered service 06/03 (rereg from IOF-550 in 03/06)
By January 2012, KCM-448 was noted as being re-registered again as FLR-336, and KCM-452 was LRD-213.
Working for KTRT Kaposvari in Kaposvar(?) are:
IDU-560 - new 05/02
IGR-572 - new in 2002
IGR-573 - details unknown
IGR-574 - details unknown
IGR-575 - new in 2002
JZE-180 - new in 2003
KCL-745 - new 10/00 (rereg from HJN-778 in xx/06)