Built in the 1950s, this prototype is composed of:
- 2x powered units: Bam M5 and M6;
- 1x intermediate coach Ram 053;
- 1x intermediate coach ABam 011.
It is used in regular service on the Bucharest - Calarasi line for example.
The vehicle is last seen in 1982 in Timisoara.
Sources: Tren Magazin (n° 26/1999)