| GS&WR 37 Class | |||||||||||||||||||||||||||||
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4-4-2T No. 317 partially hidden behind a railmotor
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| Details for No. 37 as built[1] | |||||||||||||||||||||||||||||
The Great Southern and Western Railway (GS&WR) Class 37 consisted of six 4-4-2T tank engines.[1] The first two built by locomotive superintendent Henry Ivatt (Snr.) were based on a previous 2-4-0T design by McDonnell, as were some 2-4-2Ts Ivatt produced two years earlier for the Kerry branches.[2]
In 1900 Robert Coey, who by then had been promoted Inchicore Railway Works Manager to locomotive superintendent,[citation needed] produced four of a heavier and more powerful 4-4-2T, these were known as Class 27.[2]
Robert Coey in 1902 produced four more of the lighter class built by Ivatt, these were to be the final passenger tanks built by the GS&WR.[2]
The Class 37 had a very low 13 long tons 6 cwt (29,800 lb or 13.5 t) maximum axle load enabling a very high route availability. By contrast the Class 27 had a higher maximum axle load 15 long tons 10 cwt (34,700 lb or 15.7 t).[1]
On the amalgamation to Great Southern Railways in 1925 some of these classes were allocated to the former Dublin and South Eastern Railway (DSER) services to Bray,[2] where there was a shortage of motive power at least in part due to the ravages of the Irish Civil War.[citation needed] By the 1930s most have been allocated to the Cork local services.[1]
By 1948 the type was regarded as obsolete but all lasted until the 1950s with the last withdrawn in 1955.[1]
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| Belfast and County Down Railway (1846–1948) |
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| Belfast and Northern Counties Railway (1860–1903) |
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| Northern Counties Committee (1903–1949) |
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| Great Northern Railway (1876–1958) |
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| Sligo, Leitrim and Northern Counties Railway (1875–1957) |
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| Cork, Bandon and South Coast Railway (1849–1924) |
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| Dublin and Kingstown Railway (1834–1856) |
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| Dublin and South Eastern Railway (1854–1925) |
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| Great Southern and Western Railway (1845–1924) |
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| Midland Great Western Railway (1847–1924) |
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| Great Southern Railways (1925–1944) |
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| Córas Iompair Éireann (1945–1962) |
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| Tralee and Dingle Light Railway (1891–1953) |
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| Industrial engines |
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