Invention and Engineering

GER Classes S46, D56 and H88

The GER Classes S46, D56 and H88 (classified Classes D14, D15, and D16 by the London and North Eastern Railway) were three classes of similar 4-4-0 steam locomotive designed by James Holden (S46 and D56) and A. J. Hill (H88) for the Great Eastern Railway. They were given the nickname Claud Hamilton after the pioneer engine of the class, named after Lord Claud Hamilton (1843–1925) the chairman of the Great Eastern Railway. The D56 class of 1903-4 evolved the design to include a square-topped Belpaire firebox. The H88 class of 1923 featured a larger superheated boiler, leading them to be known as Super Clauds. Many earlier members of the class were rebuilt during their working life. During the Edwardian era, they were the flagship express locomotive on the Great Eastern Main Line, and although displaced on the heaviest express trains by the larger S69 class from 1911 (itself a 4-6-0 development of the Claud design), members of the class were used on passenger and goods services throughout the Eastern Region until 1960. No locomotives of the three classes survived to preservation.

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See also

• ▸China Railways DF4
• ▸E. A. Wallis Budge
• ▸Ancient Roman engineering

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