31666) is notable as being the last former LCDR locomotive to be withdrawn from service.

[1] The whole class was fitted with condensing apparatus for working on the Widened Lines.

[2] For many years the London, Chatham and Dover Railway (LCDR) had favoured the 0-4-4T wheel arrangement for suburban and stopping passenger trains, and when more were required in 1890, consideration was given to ordering a further batch of the existing A2 class 0-4-4T (introduced 1883); it was then decided that a modified design was required.

[4][5] Their LCDR numbers were 199–216, which under the South Eastern and Chatham Railway became 658–675 from 1899.

[5] This article relating to steam locomotives operated in England is a stub.