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The South African Railways Class 5E, Series 1 of 1955 is an electric locomotive. In 1955 and 1956 the South African Railways placed sixty Class 5E, Series 1 electric locomotives with a Bo-Bo wheel arrangement in mainline service. The Class 5E introduced what eventually became the most prolific locomotive body shape to ever run on South African rails.〔South African Railways Index and Diagrams Electric and Diesel Locomotives, 610mm and 1065mm Gauges, Ref LXD 14/1/100/20, 28 January 1975, as amended〕〔 ==Manufacturers== In order to cope with increased traffic loads on the South African Railways (SAR) in the 1950s, the capacity of its 3 kV DC electrified lines had to be increased. Since, in addition, more sections in Natal and the Transvaal were being electrified, the SAR placed an order for the design and production of a new and more powerful Bo-Bo mainline electric locomotive with English Electric (EE) in 1952. Sixty Class 5E, Series 1 locomotives were delivered and placed in service in 1955 and 1956, numbered in the range from E259 to E318.〔〔 The first forty-eight locomotives, numbered in the range from E259 to E306, were built at the Dick Kerr works of EE in Preston in 1954 and 1955, while the construction of the last twelve, numbered in the range from E307 to E318, was subcontracted to Vulcan Foundry. These twelve, with EE works numbers in the range from 2211 to 2222, were therefore also allocated Vulcan works numbers in the range from E137 to E148.〔 They were delivered in a bottle green livery, initially without the yellow lines which were added later to improve their visibility. Since the long Class 4E was already nicknamed (Green Mamba) by crews, the shorter Class 5E promptly became the (Little Mamba), while the Class 4E was "promoted" to (Large Mamba). Beginning in 1960, a Gulf Red and yellow livery gradually replaced the green and yellow.〔 With both the bottle green and later the Gulf Red SAR liveries the locomotives had red cowcatchers, except in the Cape Western region. Locomotives based at the Bellville Depot could be identified by their yellow cowcatchers, as shown in the main picture. 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「South African Class 5E, Series 1」の詳細全文を読む スポンサード リンク
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