Under the Whyte notation for the classification of steam locomotives, 2-6-0 represents the wheel arrangement of two leading wheels on one axle, usually in a leading truck, six powered and coupled driving wheels on three axles and no trailing wheels. This arrangement is commonly called a Mogul.
Canadian National E-10-a class No. 89, now owned by the Strasburg Rail Road
Finnish class Sk1 No 124, built 1885 by Swiss Locomotive & Machine Works, at the Finnish Railway Museum
C1218, a preserved 2-6-0 steam locomotive for Jaladara train.
GS&WR Class 355 under CIÉ operation. The white roundel indicates that it burns oil.
The Whyte notation is a classification method for steam locomotives, and some internal combustion locomotives and electric locomotives, by wheel arrangement. It was devised by Frederick Methvan Whyte, and came into use in the early twentieth century following a December 1900 editorial in American Engineer and Railroad Journal.
Whyte notation from a handbook for railroad industry workers published in 1906