Also known as: Class 56, Class 57
Railway companies: CFR - Romanian State Railways
Presented for the first time in 1984.
It consisted of two motorised wagons, each with a driver's cab (55 series) and two motorised coaches without driving cab (56 series). Also, two non-motorised wagons (series 57) could be interposed. The total power was 1870 kW. The length of a wagon was 24500 mm, resulting in a total length of 98000 mm for a four-carriages or 147000 mm for a six-carriages. Width 2880 mm.