4-4-6
A 4-4-6, in the Whyte notation for the classification of steam locomotives by wheel arrangement, is a locomotive with:
- four leading wheels
- four driving wheels fixed in a rigid frame, and
- six trailing wheels.
Usage
United States
The Providence, Warren and Bristol Railroad's No. 4 Annawamscutt was the only example of a 4-4-6 in the United States. It was rebuilt into a 0-4-4T in 1891.France
The only example of this wheel arrangement in France was the Thuile locomotive.Other equivalent classifications are:
- UIC classification: 2′B3′, and
- French classification: 223.