A 4-4-6, in the Whyte notation for the classification of steam locomotives by wheel arrangement, is a locomotive with:
The only example of this wheel arrangement was the Thuile locomotive.
Other equivalent classifications are:
Single engine types |
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Divided drive and Duplex engine types | |
Articulated locomotives Fairlie, Meyer and Garratt types | |
Articulated locomotives Mallet types | |
Articulated locomotives Triplex and other Multiplex types | |
Articulated locomotives Engerth types | |
Geared locomotives | |