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DB Class 23
The steam locomotives of Class 23 were German passenger train locomotives developed in the 1950s for the Deutsche Bundesbahn. They had a 2-6-2 wheel arrangement and were equipped with Class 2'2' T 31 tenders. They were designed to replace the once ubiquitous Prussian P 8 engines that had been built between 1908 and 1924 and, in their day, were the most numerous post-war replacement class.〔, p 357.〕 ==Manufacture and Design==
From 1950, 105 examples of this newly designed class were manufactured for medium passenger train and light express train services. They had welded locomotive frames, boilers and tenders together with all the latest refinements of German practice. These included a superheated multiple-valve regulator and central lubrication of the least accessible parts of the running gear. Engines up to operating number 023 had ''Knorr'' surface preheaters and journal bearings. Locomotives with serial numbers 024 and 025, as well as those from 053 onwards were equipped with roller bearings for the axles and drive as well as mixer-preheaters. A small number of vehicles were given ''Heinl'' preheaters and several were equipped for push-pull train operations.
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「DB Class 23」の詳細全文を読む
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