MTR Hyundai Rotem EMU

R-Train

MTR Hyundai Rotem EMU

港鐵東鐵綫現代列車
R-Train; MTR Hyundai Rotem EMU; 港鐵東鐵綫現代列車;
	MTR Hyundai Rotem EMU entering University station
	Interior of the Hyundai Rotem EMU
In service	2021–present
Manufacturer	Hyundai Rotem
Order no.	1141B
Built at	Busan, South Korea
Replaced	AC Metro Cammell EMU (MLR)
Constructed	2014–2022
Entered service	6 February 2021
Number built	387 vehicles (43 sets)
Number in service	387 vehicles (43 sets)
Formation	9 cars per trainset
Fleet numbers	D001/D003 – D127/D129
Capacity	82,500 pphpd
Operators	MTR
Depots	Ho Tung Lau, Fo Tan
Lines served	East Rail line
Specifications
Car body construction	Stainless steel + fibreglass (header)
Train length	218,952 mm (718 ft 4.2 in)
Car length	25 m (82 ft 0.3 in) (end cars); 24,136 mm (79 ft 2.2 in)(intermediate cars);
Width	3.22 m (10 ft 6.8 in)
Height	4.18 m (13 ft 8.6 in) (excluding roof equipment)
Platform height	1,066.8 mm (3 ft 6.00 in)
Doors	5 per side; 2 per side (first class);
Maximum speed	140 km/h (87 mph) (design); 120 km/h (75 mph) (service);
Weight	D car: 46 t (101,000 lb); P car: 47 t (104,000 lb); M car: 45–46 t (99,000–101,000 lb); F car: 46 t (101,000 lb);
Traction system	Mitsubishi Electric MAP-194-A25V268 IGBT–C/I
Traction motors	24 × Mitsubishi Electric MB-5153-A 190 kW (255 hp) 3-phase AC induction motor
Power output	4.56 MW (6,115 hp)
Acceleration	1 m/s2 (3.3 ft/s2)
Deceleration	1 m/s2 (3.3 ft/s2) (service); 1.35 m/s2 (4.4 ft/s2) (emergency);
Power supply	AC-DC-AC
Electric system(s)	25 kV 50 Hz AC overhead catenary
Current collector(s)	Single-arm pantograph
UIC classification	Bo′Bo′+2′2′+Bo′Bo′+Bo′Bo′+2′2′+Bo′Bo′+Bo′Bo′+2′2′+Bo′Bo′
Braking system(s)	Knorr-Bremse EP2002 electropneumatic and regenerative
Safety system(s)	Siemens Trainguard MT CBTC, ATO and ATP
Coupling system	Tightlock
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge

The Hyundai Rotem EMU (also known as R-Train or 1141B) (Chinese: 港鐵東鐵綫現代列車) is a current model of heavy rail electric multiple units used on the Mass Transit Railway in Hong Kong. The 9-car sets are manufactured by Hyundai Rotem for the North South Corridor, an extension of the East Rail line, at a cost of HK$4 billion. and the first delivery took place in 2015, while a further 6 trains were ordered in May 2020, although the 6 trains were never manufactured. Originally scheduled to enter service in late-2017 to early-2018, the trains gradually entered service from 6 February 2021. All train sets were put into service in 2022, replacing the Metro Cammell EMUs and displacing the SP1900 EMUs to the Tuen Ma Line.

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