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The M-Train is the oldest variation of electric multiple unit that operates on the MTR rapid transit railway system in Hong Kong. 762 cars were ordered, built by Metro Cammell (now Alstom Transportation), and were refurbished starting in 1998 by the Australian company United Goninan. ==Features== The M-Train is the one variation (apart from ex-KCR stock) that uses sliding doors (another variation is the C-Train), as opposed to others which use plug doors. They are currently operating on the Kwun Tong Line, Tsuen Wan Line, Island Line and the Tseung Kwan O Line. The refurbishment process involved altering the fibreglass facade on the exterior ends to modernise their appearance, as well as the installation of the advanced digital voice announcement (DVA) and passenger information systems. United Goninan was subsequently awarded a contract to maintain the MTR rolling-stock. It is also interesting to note that such advances were not integrated into the M-Stock until late 2001. Each car is 3000 mm width over body panel, floor to rail is 1100 mm high and roof to rail is 3700 mm high. A service train has an acceleration of (), service brake is regenerative blend with air brake at the rate of () and emergency brake is air-brake at (). The maximum speed for the M-Stock is 80 km/h, and are fitted for driverless operation. Primary suspension is chevron springs, while the secondary suspension is air bags. Traction system is through GTO chopper control. Each car has 45 seats and capable of holding 268 standing passengers, with space for wheelchairs. Another refurbishment is planned (contract C1066-13E) that will update the trains' interior and exterior features to make them feel more modern.〔http://www.mtr.com.hk/eng/tenders/C1066-13E.html〕 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「MTR Metro Cammell EMU (DC)」の詳細全文を読む スポンサード リンク
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