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Hamburg U-Bahn Type DT1
The Type DT1 is a two-car electric multiple unit built for the Hamburg Hochbahn and it was the first new development of subway cars in Hamburg after several of years and the first train type that has two cars in a unit, called ''Doppeltriebwagen (DT)''. Although only 100 cars (or 50 units) were produced, the DT1 was the forerunner of the successors DT2 and DT3 from 1958 to 1991. Most of the DT1s has been scrapped, a few of them are still in special service.〔:de:HHA Typ DT1 Translation from the German Wikipedia article.〕
==Description==
After the Second World War, the subway car fleet only consisted of T cars, which had been built in 1911 to 1929. These circumstances led the operator of the subway system, Hamburger Hochbahn AG, decide to develop a new type of subway trains. The DT1s were equipped with four traction motors per car instead of two, like the T cars. Therefore, the DT1s had a much better acceleration. The livery was beige-red at first, but it was changed in 1969 to red-grey to unify the look of the subway trains.
The DT1 is the only subway type in Hamburg, that hadn't been refurbished on a large scale like its successors and predecessors.
In the 1980s, the Hochbahn decided to replace the whole DT1 fleet with new DT4 units. After delivery of the first DT4, the retirement began for the DT1 units and the last trains were taken out of passenger service in 1991. Most units got scrapped after their retirement, only 3 units had got preserved for working service and heritage tours.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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