0-4-6T

Engerth locomotive wheel arrangement

An 0-4-6T, in the Whyte notation for the classification of steam locomotives by wheel arrangement, is a locomotive with no leading wheels, four driving wheels fixed in a rigid frame, and six trailing wheels (normally mounted in a trailing truck). Examples of this type of locomotive were built by Wilhelm von Engerth.

Equivalent classifications

Other equivalent classifications are:

  • UIC classification: B3 (also known as German classification and Italian classification)
  • French classification: 023
Engerth locomotive "Spluegen" Number 25 of the VSB at Zürich

History

This wheel arrangement was used on Engerth articulated steam locomotives, widely used on Alpine railways. One early example was Genf built by Maschinenfabrik Esslingen in 1858 for the Swiss Central Railway.[1]

References

  1. ^ Hamilton Ellis, The pictorial history of railways, Hamlyn, 1968, p.57.


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Steam locomotive wheel arrangements (Whyte notation)
Single engine typesDivided drive and
Duplex engine typesArticulated locomotives
Fairlie, Meyer
and Garratt typesArticulated locomotives
Mallet typesArticulated locomotives
Triplex and other Multiplex typesArticulated locomotives
Engerth typesGeared locomotives
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