The Highland Railway Cumming 4-4-0 class was a pair of 4-4-0 steam locomotives designed by Christopher Cumming, the Locomotive Superintendent of the Highland Railway
Dimensions They had outside cylinders with Walschaerts valve gear, driving wheels and a boiler pressed to . Weight was a half-hundredweight short of 56 long tons ().
Numbering +Table of engines HR No. Name LMS No. Withdrawn Notes 73 Snaigow 14522 74 Durn 14523
Transfer to LMS Both survived into London, Midland and Scottish Railway ownership in 1923, but neither lasted until nationalisation, as both were withdrawn and scrapped as non-standard engines in the mid-1930s. The LMS had classed them as 3P.
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