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This article relies largely or entirely on a single source . Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources. Find sources:  "Single" locomotive  –  news · newspapers · books · scholar · JSTOR (June 2024)

In railway terminology, a single is a steam locomotive with a single pair of driving wheels. Some sources use 'Single' only for the 2-2-2 type, but more commonly singles could have any number of leading or trailing wheels.

See also

• Crampton locomotive
• GWR 3031 Class
• GNR Stirling 4-2-2
• Caledonian Railway Single

References

• Winchester, Clarence, ed. (1936), "Some famous singles", Railway Wonders of the World, pp. 1091–1099 illustrated description of some famous singles

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