| Budapest has 14 trolleybus routes numbered from 70-83 (no 71 service, but
there is a 74A). 904 was built by Uritsky works in Engels, Russia (now
known as Trolza) and
placed in service in December 1978. Designated as type ZIU-9B, it seats 32
passengers and is rated at 110 kW, 147 hp.
ZIU-9B number 904 crosses the Ferdinánd Híd with a southbound 76 service bound for Baross tér on Wednesday May 14th, 2003.