No. 1831 was the first experimental diesel hydraulic shunter of the London Midland and Scottish Railway (LMS) which pioneered diesel shunting in the UK. It was introduced in 1932 built at Midland Railway’s Derby Works. It was nominally a rebuild of a Midland Railway 1377 Class 0-6-0T steam locomotive of the same number built in September 1892 by the Vulcan Foundry.
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