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| factorofadhesion = | trainheating = | locobrakes = | locobrakeforce = | trainbrakes = | safety = | operator = South African Railways | operatorclass = Class NG G12 | powerclass = | numinclass = 2 | fleetnumbers = 56-57 | officialname = | nicknames = | axleloadclass = | locale = | deliverydate = 1927 | firstrundate = 1927 | lastrundate = | retiredate = | withdrawndate = 1952 | preservedunits = | restoredate = | scrapdate = | currentowner = | disposition = | notes = }} The South African Railways Class NG G12 2-6-2+2-6-2 of 1927 is a narrow gauge steam locomotive. In 1927 the South African Railways placed two Class NG G12 Garratt articulated steam locomotives with a 2-6-2+2-6-2 Double Prairie type wheel arrangement in service. They were the smallest Garratt locomotives to see service in South Africa.〔South African Railways and Harbours Narrow Gauge Locomotive Diagram Book, 2’0” Gauge, S.A.R. Mechanical Dept. Drawing Office, Pretoria, 28 November 1932〕 ==Manufacturer== The South African Railways (SAR) placed orders for two light weight narrow gauge Garratt locomotives with a 2-6-2+2-6-2 Double Prairie type wheel arrangement with Beyer, Peacock and Company in 1927. Beyer, Peacock sub-contracted their construction and the two locomotives were delivered by the Belgian locomotive builders Société Franco-Belge later in 1927. They were allocated separate works numbers by Beyer, Peacock as well as Franco-Belge, and were numbered NG56 and NG57 upon delivery.〔〔 The locomotives were superheated, with outside plate frames, Walschaerts valve gear and round top fireboxes. Designed for light rail, their lightness of construction made them popular with the fitters who had to maintain them.〔 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 NG G12 2-6-2+2-6-2」の詳細全文を読む スポンサード リンク
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