D1 multiple unit

D1 (Д1) is a 4-car diesel multiple unit train built in 1960s-1980s by Hungarian producer Ganz-MAVAG for Soviet railways.

D1M
In 2012, Moldovan Railway and Electroputere VFU company in Romania started a complete modernization program for D1 units (as D1M), with most of the parts changed, including installation of a new engine by Volvo Penta. In addition, the refurbished units were equipped with air conditioning system, wireless internet access points, and disability access ramps.