The MW 41 (AR 41) is a diesel multiple unit trainset operated by the National Railway Company of Belgium (NMBS/SNCB). They run on the non-electrified lines in the north as well as under 25 Kv electrification in the south of Belgium. Each 41 series train set consists of two cars. The trains are powered by two Cummins QSK650R diesel engines. Traction is diesel-hydraulic and the trains have a top speed of 120 Kmph. Ninety-six trainsets were built by GEC Alstom (Barcelona) between the years 2000 - 2002.
