Class 01 may refer to:

  • British Rail Class 01, a class of post-war British 0-4-0 diesel locomotive designed for use on tight curves and limited clearances
  • British Rail Class 01/5, encompasses a variety of privately owned shunting locomotives
  • DRG Class 01, a class of German standard steam locomotive designed between the wars for express train services
    • DRG Class 01.10, a later, more powerful version of the DRG Class 01 above first delivered in 1939
  • Class 01, in the electrical Appliance classes

See also

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