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| factorofadhesion = | trainheating = | locobrakes = | locobrakeforce = | trainbrakes = | safety = | operator = South African Railways | operatorclass = Class NG G11 | powerclass = | numinclass = 5 | fleetnumbers = 51-55 | officialname = | nicknames = | axleloadclass = | locale = | deliverydate = 1919-1925 | firstrundate = 1919 | lastrundate = | retiredate = | withdrawndate = 1962 | preservedunits = 1 | restoredate = 2011 | scrapdate = | currentowner = Sandstone Heritage Trust | disposition = | notes = }} The South African Railways Class NG G11 2-6-0+0-6-2 of 1919 is a narrow gauge steam locomotive. Between 1919 and 1925 the South African Railways placed five Class NG G11 Garratt articulated steam locomotives with a 2-6-0+0-6-2 Double Mogul type wheel arrangement in service on the Avontuur narrow gauge line through the Langkloof and also in Natal. They were the first Garratt locomotives to enter service in South Africa.〔 ==Background== The challenges of Africa resulted in the regular need for double-heading of steam locomotives on heavy trains. While West Africa found its solution in larger 4-6-2 Pacific and 2-8-2 Mikado locomotives at the beginning of the twentieth century, the steeper gradients and tighter curves in South Africa made a different solution necessary.〔 On South African Railways (SAR) narrow gauge lines that solution was found in 1914 when orders were placed with Beyer, Peacock and Company for a narrow gauge Garratt locomotive which was to become the first Garratt to enter SAR service.〔(Sandstone Steam Railroad )〕 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 G11 2-6-0+0-6-2」の詳細全文を読む スポンサード リンク
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