2-4-6-2 (original) (raw)

A 2-4-6-2 steam locomotive, in the Whyte notation for describing locomotive wheel arrangements, has a two-wheel leading truck, one set of four driving wheels, one set of six driving wheels, and a two-wheel trailing truck. Other equivalent classifications are:UIC classification: 1BC1 (also known as German classification and Italian classification)French classification: 1231 This most unusual wheel arrangement was only ever used on a duplex locomotive type.