MTR M-Train EMU
| Metro Cammell EMU (M-Train) CM/CT/I/G/H/Q stock
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| In service | 1 October 1979-2023 (Tsuen Wan Line, Island Line, Kwun Tong Line, Tseung Kwan O Line) 1 August 2005-present (Disneyland Resort Line) |
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| Manufacturer | Metro Cammell, GEC Alstom | ||||
| Built at |
Washwood Heath, Birmingham, England Kowloon Bay, Kowloon, Hong Kong |
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| Replaced | Replacing to CSR Sifang EMU between 2018 and 2023. | ||||
| Constructed | 1976-1997 (Local), 2003-2004 (Disneyland Resort Line) | ||||
| Entered service | 1979-1989 (Phase 1 & 2), 1994-1998 (Phase 3), 2005 (Disneyland Resort Line) | ||||
| Refurbishment | United Goninan (1998-2001) | ||||
| Scrapped | Remaining all from 2018 onwards (except for Disneyland Resort Line) | ||||
| Number built | 768 cars (95 sets + 6 surplus cars + 3 Disneyland Resort Line sets) | ||||
| Number in service | All except D737, D784, B/C493 and B/C459 | ||||
| Number scrapped | Starting from 2018 (except Disneyland Resort Line) | ||||
| Formation | 8 cars per trainset (4 and 6 cars in the past) (Local) 4 cars per trainset (Disneyland Resort Line) |
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| Fleet numbers | Axxx, Bxxx, Cxxx, Dxxx, Pxxx, Qxxx | ||||
| Capacity | 45 seats, 268 standing per car (313 passengers per car, 2504 passengers per train) |
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| Operator(s) | MTR | ||||
| Depot(s) | Kowloon Bay Tsuen Wan Chai Wan Tseung Kwan O Siu Ho Wan |
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| Line(s) served |
Kwun Tong Line Tsuen Wan Line Island Line Tseung Kwan O Line Disneyland Resort Line |
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| Specifications | |||||
| Car body construction | Aluminum | ||||
| Car length | 22,850 mm (74 ft 11.6 in) 22,000 mm (72 ft 2.1 in) 23,160 mm (75 ft 11.8 in) |
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| Width | 3,200 mm (125.98 in) | ||||
| Height | 3,910 mm (153.94 in) | ||||
| Floor height | 1,100 mm (43.31 in) | ||||
| Doors | 5 per side 3 per side(Only Disneyland Resort Line) |
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| Maximum speed | Design 90 km/h (56 mph) Service 80 km/h (50 mph) |
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| Traction system |
GEC GTO Chopper control with GEC G313 DC traction motor I-Stock: Mitsubishi RCT Chopper with GEC G313 DC traction motor |
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| Power output | 85 kilowatts (114 hp) per motor | ||||
| Acceleration | 1.0 m/s2 (3.3 ft/s2) | ||||
| Deceleration | service:1.0 m/s2 (3.3 ft/s2) emergency:1.4 m/s2 (4.6 ft/s2) |
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| Electric system(s) | 1.5 kV DC catenary | ||||
| Current collection method | Pantograph | ||||
| Braking system(s) | Regenerative blend with air brake | ||||
| Safety system(s) |
Westinghouse Brake and Signal Company Ltd ATC with subsystems of ATO GOA 2 (STO), ATP and ATS Disneyland Resort Line: Thales SelTrac® CBTC ATC with subsystems of ATO GOA 4 (STO), ATP, NetTrac ATS, CBI |
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| Coupling system |
BSI Coupler (Multi-Function Couplers) Semi-permanent coupler |
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| Track gauge | 1,432 mm (4 ft 8 3⁄8 in) | ||||
The Metro Cammell EMU (also known as M-Train) is the oldest variation of electric multiple unit that operates on the MTR rapid transit railway system in Hong Kong. 768 cars were ordered, built by Metro Cammell (now Alstom Transportation), and were refurbished starting in 1998 by the Australian company United Goninan.
The M-Train, along with the later C-Train and ex-KCR stock, has five sets of double-leaf sliding doors on both sides of each car. This is opposed to K-Stock and A-Stock which use plug doors. They are currently operating primarily on the Tsuen Wan Line and Island Line but are also operating on the Kwun Tong Line and Tseung Kwan O Line alongside newer rolling stock. Each car is 3200 mm width over body panel, floor to rail is 1100 mm high and roof to rail is 3910 mm high.
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.
A service train has an acceleration of 1.0 m/s2 (3.3 ft/s2) (3.6 kilometres per hour per second or 2.24 miles per hour per second), service brake is regenerative blend with air brake at the rate of 1.0 m/s2 (3.3 ft/s2) (3.6 kilometres per hour per second or 2.24 miles per hour per second) and emergency brake is air-brake at 1.4 m/s2 (4.6 ft/s2) (5.04 kilometres per hour per second or 3.13 miles per hour per second). The maximum speed for the M-Stock is 80 km/h, and are fitted for driverless operation (though they are not operated as such except the ). 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.
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Wikipedia