 It ran extensively on the Deutsche Bundesbahn (DB) and proved quite successful, although the DB preferred German-designed diesel-hydraulic locomotives.Subsequently, it tested on both SNCF (France) and NMBS/SNCB (Belgium), in the latter case successfully for GM-EMD since the NMBS/SNCB subsequently purchased EMD-licensed NOHAB locomotives.The 1952-1955 trial of #1809 was not the last appearance of an MRS-1 on Alaska Railroad metals.