DSB class MZ was a series of 61 diesel-electric locomotives operated by Danske Statsbaner.

[2] One is kept by the Danish Railway Museum (MZ 1401),[7] while the rest were sold to various Swedish operators between 2002 and 2006 including three to Motala Verkstad, two to Svensk Tågteknik (STT), and single units to TÅGAB, Inlandsgods, BK Tåg and Three T AB.

Most locomotives were sold to various Swedish and Norwegian operators between 2003 and 2006 including two units each to BK Tåg, TÅGAB and the Norwegian National Rail Administration (Jernbaneverket), and single units to Motala Verkstad and Svensk Tågteknik AB.

[3] Locomotive number MZ 1425 has been rented to Railion between 2001 and 2003 and in 2004 was equipped with automatic coupling for hauling of IC4 multiple unit trains.

They have a slightly different appearance and were equipped with more powerful engines (20-cylinder version) and higher top speed.

[4] Sixteen were sold to Australian operator Independent Rail of Australia (IRA) in 2006 having been in store for some years.

[11][12] The last batch of six were damaged in transit off Bermuda when the MV Emmagracht encountered rough seas.