In Russe and Varna shunt diesel locos Series 51 with electric transmitting system still work. They have been delivered 172 of them between 1962 and 1968 by “GANZ MAVAG”-Budapest.51060 is photographed in Sofia depot on the 29th of Dec, 1996. 

Photo and scan by Petko Ivanov (PetkoIvanov@chelmine.com)