SECR E Class

The SECR E Class was a series of inside-cylinder 4-4-0 express passenger locomotives designed by Harry Wainwright and built at Ashford Works from 1905, representing alongside the contemporaneous D Class one of the finest expressions of Edwardian express locomotive aesthetics in British practice. Where the D Class of 1901 was Wainwright's first new express design for the South Eastern and Chatham Railway, the E Class of 1905 was a refinement with a larger boiler, higher boiler pressure, and improved valve events that gave significantly better sustained performance on the SECR's demanding Continental boat train and Kent coast express duties.

Wainwright was celebrated as much for the appearance of his locomotives as for their performance, and the E Class — like the D Class — combined genuine mechanical capability with an elegance of proportion and a richness of finish that made these locomotives among the most admired in Edwardian Britain. The lined copper-green livery, the polished brasswork of domes, safety valves, and name-plates, and the careful proportioning of all external features gave Wainwright's express 4-4-0s a presence quite different from the more utilitarian Edwardian types emerging from the northern railways.

In service the E Class worked the SECR's most important trains: the Continental boat expresses to Dover and Folkestone connecting with the Channel ferries to Calais and Boulogne, the Folkestone and Ramsgate coastal expresses, and the Cannon Street and Charing Cross to the Kent coast services. Several examples were later rebuilt by Maunsell as the E1 Class with improved superheated boilers, giving them a longer service life into the Southern Railway era. Two examples are preserved: No. 31166 at the Bluebell Railway and No. 31516 at the Spa Valley Railway.