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The South African Railways Class GF 4-6-2+2-6-4 of 1927 is an articulated steam locomotive. In 1927 the South African Railways placed thirty-seven Class GF Garratt articulated steam locomotives with a 4-6-2+2-6-4 Double Pacific type wheel arrangement in service. A further twenty-eight locomotives were delivered in 1928.〔South African Railways and Harbours Locomotive Diagram Book, 2’0” & 3’6” Gauge Steam Locomotives, 15 August 1941, as amended〕 ==Manufacturers== The specifications for the Class GF 4-6-2+2-6-4 Garratt locomotive were prepared by Colonel F.C. Collins, Chief Mechanical Engineer (CME) of the South African Railways (SAR) from 1922 to 1929, and an order for thirty-seven locomotives was placed with Hannoversche Maschinenbau AG (Hanomag) in Germany. It was designed as a mixed traffic locomotive for use on branchlines and secondary mainlines throughout the country. They were delivered in 1927 and numbered in the range from 2370 to 2406.〔〔 A second order was placed with Henschel and Son in 1927 for eighteen locomotives that were delivered in 1928, numbered in the range from 2407 to 2424.〔Henschel-Lieferliste (Henschel & Son works list), compiled by Dietmar Stresow〕〔 This was followed by a third order, placed with Maffei in 1928, for a final batch of ten locomotives that were delivered that same year and numbered in the range from 2425 to 2434.〔〔 The locomotives were superheated, had bar frames and used Walschaerts valve gear. The Class GF was the only Double Pacific type Garratt to see service on the SAR and until the arrival of the Class GMA and Class GMAM, they were the most numerous Garratt locomotive Class in SAR service.〔 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 GF 4-6-2+2-6-4」の詳細全文を読む スポンサード リンク
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