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Recent content by FrankBNG

  1. F

    Coach lettering conventions

    Hi all, I've noticed that on 4-car DMUs I go on, mainly the class 158, the coaches are always A, C, D and F. A guard once explained the meaning of this to me, however I cannot remember what it is. I believe C and F stand for 'cycle' and 'four-cycle'? Does anyone know how the coaches work?
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