0-4-2T Class D1 LBSCR Profile and Models

The LB&SCR D1 class were powerful 0-4-2 suburban passenger tank locomotives, designed by William Stroudley of the London Brighton and South Coast Railway in 1873. They were originally known as "D-tanks" but later reclassified as class D1. Members of this very successful class survived in service until 1951. The D1 class were Stroudley's second tank engine class, intended for heavier tasks than could be undertaken by his A1 class "Terriers" which had been introduced in 1872. For twenty years the class were the mainstay of the LB&SCR outer suburban services, until gradually replaced by R.J. Billinton's D3 class 0-4-4 tank engines in the mid-1890s. Thereafter they were used on a variety of secondary passenger, and occasionally freight services throughout the railway. Seventeen members of the class survived the nationalisation of the Southern Railway to form British Railways in January 1948 but many of these had been in storage for several years. The last surviving example in BR service was withdrawn from Nine Elms in December 1951 and no examples have been preserved.

(Information provided via Wikipedia)

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