LSWR T6 class
 The LSWR T6 class was a class of express passenger 4-4-0 steam locomotives designed for the London and South Western Railway by William Adams. Ten were constructed at Nine Elms Locomotive Works between 1885–1886.The class were numbered 677–686 and were a development of the X2 class based on experience gained with the locomotives in traffic. The boiler was based on that used in the T3 class and shared the main dimensions.All passed to the Southern Railway at the grouping in 1923.