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.[1] Some authorities place brackets around the duplicated but uncoupled wheels, creating a notation 0-(2-2)-0.[2]


The only recorded usage of the arrangement was in four locomotives designed by Patrick Stirling for the Glasgow and South Western Railway in 1855.[2] The design was not successful and the locomotives were withdrawn by 1867.


  1. "American Steam Locomotive Wheel Arrangements". Retrieved 13 March 2016.
  2. Baxter 1984, p. 139.
  • Baxter, Bertram (1984). British locomotive catalogue 1825-1923. 4. Buxton: Moorland Publishing.
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