MTR Metro Cammell EMU (DC)

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Metro-Cammell EMU (M-Train) CM/CT/I/G/H/Q stock 港鐵現代化列車
M-Train approaching Kwai Hing station Disneyland Resort line M-Train entering Sunny Bay Interior of the refurbished M-Train MTR Disneyland Resort line train interior
Stock type	Electric multiple unit
In service	1 October 1979; 44 years ago (1979-10-01) – present (Tsuen Wan line, Island line, Kwun Tong line, Tseung Kwan O line) 1 August 2005; 18 years ago (2005-08-01) – present (Disneyland Resort line)
Manufacturer	Metro-Cammell, GEC-Alsthom (now Alstom)
Built at	Washwood Heath, Birmingham, England Kowloon Bay, Hong Kong[1]
Constructed	1977–1994 (Local), 1994 (Disneyland Resort line)
Entered service	1979–1989 (Phase 1 & 2), 1994–1998 (Phase 3), 2005 (Disneyland Resort line)
Refurbished	United Goninan (1998–2001)
Scrapped	Starting from 2022 (urban lines) 2028 (Disneyland Resort Line)
Number built	768 cars (95 sets + 6 surplus cars + 3 Disneyland Resort line sets)
Number in service	632 cars (79 sets), as of April 2024
Number scrapped	116 Regular Service Carriages (14 full trainsets) [other extra 4 are accident carriages]
Successor	CRRC Sifang EMU (Q-train) (Urban lines only)
Formation	8 cars per trainset (4 and 6 cars formation at initial service) (Local) 4 cars per trainset (Disneyland Resort line)
Fleet numbers	Axxx, Bxxx, Cxxx, Dxxx, Pxxx, Qxxx
Capacity	45 seats, 268 standing per car (313 passengers per car, 2504 passengers per train)
Operators	MTR Corporation
Depots	Kowloon Bay Tsuen Wan Chai Wan Tseung Kwan O Siu Ho Wan
Lines served	Tsuen Wan line Island line Tseung Kwan O line Disneyland Resort line
Specifications
Car body construction	Aluminum
Train length	180.02 m (590 ft 7 in) (Urban lines)
Car length	22.85 m (75 ft 0 in) 22 m (72 ft 2 in) 23.16 m (76 ft 0 in)
Width	3.11 m (10 ft 2 in)
Height	3.91 m (12 ft 10 in) (with pantograph folded) 3.7 m (12.14 ft) (without pantograph) (top of air conditioner flush with crest of roof)
Floor height	1.1 m (3 ft 7 in)
Platform height	1.1 m (3 ft 7 in)
Entry	Level boarding
Doors	5 sets of 55 inch wide doors per side 3 sets of 55 inch wide doors per side (only      Disneyland Resort line)
Wheel diameter	850–775 mm (2 ft 9.5 in – 2 ft 6.5 in) (new–worn)[2]
Wheelbase	2.5 m (8 ft 2 in)[2]
Maximum speed	Design: 90 km/h (56 mph) Service: 80 km/h (50 mph)
Traction system	Original (1979–1995): Camshaft resistance control (GEC Traction) Current (1989–present): GTO chopper control (GEC Traction) I-Stock only: RCT chopper control (Mitsubishi Electric)
Traction motors	85 kW (114 hp) DC series-wound motors (GEC Traction G313 AZ on stock except I-Stock, GEC Traction G313 BZ on Disneyland Resort line stock, Mitsubishi Electric MB-518-AR on I-Stock)
Transmission	WN Drive
Acceleration	1.0 m/s2 (3.3 ft/s2)
Deceleration	1.0 m/s2 (3.3 ft/s2) (service) 1.4 m/s2 (4.6 ft/s2) (emergency)
Electric system(s)	1,500 V DC catenary
Current collector(s)	Pantograph
Bogies	Duewag SF2100[2]
Braking system(s)	Regenerative blend with air brake
Safety system(s)	1979–1996: Westinghouse Brake and Signal Company Fixed-block ATP with subsystems of ATC and ATO GoA 2 (STO), Since 1996:      Tsuen Wan line 1997:     Island line: GEC-Alsthom SACEM ATP and ATS, with GoA 2 ATO 2002:      Tseung Kwan O line: Siemens Mobility SACEM with ATC      Disneyland Resort line: Thales SelTrac® CBTC ATC with subsystems of ATO GoA 4 (STO), ATP, NetTrac ATS, CBI
Coupling system	BSI multi-function couplers on ends Semi-permanent couplers between carriages
Track gauge	1,432 mm (4 ft 8+3⁄8 in) (except for West Island line and Kwun Tong line Extension)

The Metro Cammell EMU (also known as M-Train or Modernisation Train, Chinese: 港鐵現代化列車) is the oldest variation of electric multiple unit that operates on the MTR rapid transit railway system in Hong Kong. A total of 768 cars were built by Metro-Cammell in England (and its successor GEC-Alsthom, later known as Alstom) between 1977 and 1994, and refurbished from 1998 to 2001 by United Goninan.