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| formation = 2/4 cars per trainset | numberbuilt = 16 trainsets | yearconstruction = 2003 - 2004 | carlength = | width = | height = | fleetnumbers = | service = 2003 - Present | weight = | capacity = | maxspeed = | gauge = | operator = GTR Southern | engine = One MTU 6R 183TD diesel per car | poweroutput = | transmission = Voith Hydraulic T211rzze 2 axles driven per car | safety = AWS, TPWS, GSM-R | coupling= BSI coupling replaced by Dellner coupling | brakes=Air〔 }} The Class 171 ''Turbostar'' is a type of diesel multiple unit (DMU) train built by Bombardier Transportation (previously ADtranz) at its Litchurch Lane Works in Derby, England, which is identical to the Class 170, except for the replacement of the BSI (''Bergische Stahl Industrie'') coupler with a Dellner coupling. This provision was made to allow emergency joining with Class 377 DC third-rail electric units. The vehicles work on the southern regions of the British railway system, operating services from London Bridge to Uckfield and from Brighton to Ashford International, these routes being unelectrified between Hurst Green and Uckfield and Ore and Ashford International, respectively. The fleet are operated by Govia Thameslink Railway (GTR) for Southern services. ==Design== The Southern fleet is fitted with coupling devices (Dellner) different from other Turbostars, and is classified as Class 171 for this reason.〔(Class 171 ) - Welcome to the Southern E-Group Web Site. Retrieved 2011-05-01.〕 The four-car units were built with the new couplers, but Class 170 two-car units were fitted at a later date, and reclassified as Class 171/7 after the modification. Three more two-car units were later acquired, but these were built from new with the new couplers. Southern gained 170 392 from South West Trains. The coupler on this unit has also been changed to the Dellner type. The unit has been reclassified and renumbered from 170 392 to 171 730. This unit was first delivered carrying Southern livery and the number 170 727 (because SWT needed another 170 and it was cheaper to place another unit on the Southern order than place a new order). It never operated in this form and was transferred to South West Trains where it became 170 392. These trains have electronic automated station announcements and onboard displays unlike their predecessors.〔(Southern On Train Facilities ) - Retrieved 2011-05-10.〕 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「British Rail Class 171」の詳細全文を読む スポンサード リンク
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