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The GWR 0-6-0PT (Pannier Tank), is a type of steam locomotive built by the British Great Western Railway with the water tanks carried on both sides of the boiler, in the manner of panniers. They were used for local, suburban and branch line passenger and goods traffic, for shunting duties, and as banker engines on inclines. The early examples, such as the 1901 and 2021 classes, were rebuilt from saddle or side tanks when the locos received a Belpaire firebox – this type of firebox has a square top and is incompatible with a curved saddle tank. This process mostly took place during the tenure at Swindon Works of George Jackson Churchward. Only a very small number of saddle tank locomotives escaped rebuilding as panniers, notably the 1361 Class built new under Churchward in 1910, by which date a few of the 1813 Class had already been rebuilt as pannier tanks. ==Classification== The GWR pannier tank locomotives were classified as follows: Small engines (wheelbase under 15'), rebuilt from saddle or side tanks * 93, 850, 1901 ClassesG. Armstrong/W'hampton 1874-95, 292 locos * 2021, 2101 ClassesDean/W'hampton 1897-1905, 140 locos Small engines (wheelbase under 15'), built as pannier tanks from new * 5400 ClassCollett/Swindon 1930, 25 locos * 6400, 7400 ClassesCollett/Swindon 1932-50, 90 locos * 1366 ClassCollett/Swindon 1934, six locos * 1600 ClassHawksworth/Swindon 1949-55, 80 locos Large engines (wheelbase over 15'), rebuilt from saddle or side tanks * 302 ClassJ. Armstrong/W'hampton 1864-5, eight locos * 1016 ClassG. Armstrong/W'hampton 1867-71, eight locos * 1076 (Buffalo), 1134 ClassesJ. Armstrong/Swindon 1870-1881, 266 locos * 645, 1501 ClassesG. Armstrong/W'hampton 1872-81, 106 locos * 119 ClassG. Armstrong/W'hampton (renewals after Gooch) 1878-83, 11 locos * 322 ClassG. Armstrong/W'hampton (renewals after Beyer) 1878-85, six locos * 1813 ClassDean/Swindon 1882-4, 40 locos * 1661 ClassDean/Swindon 1886-7, 40 locos * 655 ClassG. Armstrong/W'hampton 1892-7, 52 locos * 1854 ClassDean/Swindon 1890-95, 120 locos * 2721 ClassDean/Swindon 1897-1901, 80 locos Large engines (wheelbase over 15'), built as pannier tanks from new * GWR 5700 ClassCollett/Swindon and outside firms 1929-50, 863 locos * GWR 9400 ClassHawksworth/Swindon and outside firms 1947-56, 210 locos Large boiler/short wheelbase * GWR 1500 ClassHawksworth/Swindon 1949, 10 locos 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「GWR 0-6-0PT」の詳細全文を読む スポンサード リンク
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