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- Metrovick: Locomotives constructed by Metropolitan-Vickers, especially the British Rail Class 28 (D5700 class) Co-Bo.
- Mickey Mouse Ivatt 2MT class 2-6-0 steam locomotive.
- MTVal An High Speed Train consisting of one MTU engined power car, and one Valenta engined power car in the formation.
Read more about this topic: Glossary Of United Kingdom Railway Terms