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South African Class 8Y 2-8-0 : ウィキペディア英語版 | South African Class 8Y 2-8-0
The South African Railways Class 8Y 2-8-0 of 1903 is a steam locomotive from the pre-Union era in the Cape of Good Hope. In 1903 the Cape Government Railways placed four more Cape 8th Class 2-8-0 Consolidation type steam locomotives in service. In 1912, when they were assimilated into the South African Railways, they were renumbered and reclassified to Class 8Y.〔Classification of S.A.R. Engines with Renumbering Lists, issued by the Chief Mechanical Engineer’s Office, Pretoria, January 1912, pp. 9, 12, 15, 36 (Reprinted in April 1987 by SATS Museum, R.3125-6/9/11-1000)〕 ==Manufacturer== The first locomotive in the Cape Government Railways (CGR) Consolidation type 8th Class, later to become the South African Railways (SAR) Class 8X, was designed by H.M. Beatty, the CGR’s Chief Locomotive Superintendent from 1896 to 1910. This second batch of four was ordered in 1903 from Kitson and Company of Hunslet in Leeds, West Yorkshire. All four were allocated to the CGR’s Western System and numbered in the range from 817 to 820.〔 They were very similar to the earlier Schenectady and ALCO built Consolidations, but with the boiler centre line raised two inches. Coupled with a shallow firebox, this enabled the grate to be extended out sideways over the fourth set of coupled wheels which resulted in a grate area of compared to the of the previous model. They also used saturated steam and cylinders with overhead slide valves actuated by inside Stephenson valve gear.〔
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