Single (locomotive)

A Stirling Single.

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, also known as a Jenny Lind locomotive, but more commonly singles could have any number of leading or trailing wheels.

See also

• Crampton locomotive
• GWR 3031 Class

References

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