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Under the Whyte notation for the classification of steam locomotives, 0-2-2-0 represents the wheel arrangement of no leading wheels, four powered but uncoupled driving wheels on two axles, and no trailing wheels. Some authorities place brackets around the duplicated but uncoupled wheels, creating a notation 0-(2-2)-0.[1]


The only recorded usage of the arrangement was in four locomotives designed by Patrick Stirling for the Glasgow and South Western Railway in 1855.[1] The design was not successful and the locomotives were withdrawn by 1867.


  1. ^ a b Baxter 1984, p. 139.
  • Baxter, Bertram (1984). British locomotive catalogue 1825-1923 4. Buxton: Moorland Publishing.