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The Great Central Railway 9K and 9L classes were two related classes of 4-4-2T ''Atlantic'' steam locomotives. They were both intended for suburban passenger services. After the 1923 Grouping, they served the LNER as classes C13 and C14. Their designer was John G. Robinson. The design was based on the earlier Pollitt Class 9G 2-4-2T locomotives, but with a lengthened boiler and a leading bogie to carry it. This extension of running gear also resembled an early Robinson design for the Irish Waterford, Limerick and Western Railway.〔 All passed into British Railways service and the first was not withdrawn until 1952. Most were withdrawn between 1955 and 1959. The last examples of each class, 9K 67417 and 9L 67450, were scrapped in 1960. None were preserved.〔 == GCR 9K / LNER C13 == Forty locomotives were built to the 9K class, in four batches between 1903 to 1905.〔 The GCR installed water troughs around the same time as this class was built. They were fitted with water scoops, but these were little used by the 1930s and so were removed.〔 In 1933, six locomotives were fitted for push-pull working, according to the GCR mechanical system. These were converted to the LNER vacuum system and in 1941, two others were converted.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「GCR Class 9K」の詳細全文を読む スポンサード リンク
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