2-2-4T

This was an unusual wheel arrangement, only used on a few specialised locomotives.

This wheel arrangement is only used for tank locomotives.

Other equivalent classifications are: In the United Kingdom, the North Eastern Railway, had four tank locomotives of this wheel arrangement, all of which had previously been rebuilt from other types.

[1] All four were inherited by the London and North Eastern Railway (LNER) at the time of its formation on 1 January 1923, and withdrawn from service between 1931 and 1937.

66 Aerolite has been preserved at the National Railway Museum in York.