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Rotem EMU (K-Train)
TKE-C651 / C6522-04E
HK Tung Chung Line Train.jpg
TCL-K Stock on the Tung Chung line
K-Stock Interior 2010.jpg
K-Train interior
In serviceApril 2002-present (Tseung Kwan O line), 12 June 2006-present (Tung Chung line)
ManufacturerRotem and Mitsubishi consortium
Built atChangwon, South Korea[1]
Entered service2002 (Tseung Kwan O line)
2006 (Tung Chung line)
Number built104 cars (Tseung Kwan O line)
32 cars (Tung Chung line)
Formation8 cars per trainset
Depot(s)Tseung Kwan O depot
Kowloon Bay depot
Siu Ho Wan depot
Line(s) served     Tseung Kwan O line
     Tung Chung line
Car body constructionStainless steel
Car length23,778 mm (78 ft 0.1 in) (TCL end cars)
23,230 mm (76 ft 2.6 in) (TKL end cars)
22,000 mm (72 ft 2.1 in) (TCL and TKL middle cars)
Width3,118 mm (10 ft 2.8 in)
Height3,698 mm (12 ft 1.6 in) (without pantograph or air conditioner)
Floor height1250 mm (TCL) 1100 mm (TKL)
Platform height1,250 mm (4 ft 1.2 in) (TCL)
Doors5 per side
Maximum speedTseung Kwan O line design 90 km/h (56 mph) service 80 km/h (50 mph)
Tung Chung line design 140 km/h (87 mph) service 135 km/h (84 mph)
Traction systemIGBT-VVVF
(Mitsubishi Electric)
Power outputTKE-C651: 150 kW (201 hp) per motor, 3,600 kW (4,828 hp) per set
C6522-04E: 240 kW (321.8 hp) per motor, 5,760 kW (7,724 hp) per set
Acceleration1 m/s2 (2.2 mph/s)
DecelerationService 1.35 m/s2 (4.4 ft/s2) (4.86 km/(h⋅s) or 3.02 mph/s)
Emergency 1.4 m/s2 (4.6 ft/s2) (5.04 km/(h⋅s) or 3.13 mph/s)
Power supply1500 V DC overhead catenary
Electric system(s)1.5 kV DC overhead
Current collection methodPantograph
Braking system(s)Pneumatic and Regenerative
Safety system(s)ATO and ATP
Track gauge1,432 mm (4 ft 8 38 in)
Internal destination indicator, indicates travelling direction, stopping stations, interchange suggestions and door opening side

The Rotem EMU (also known as K-Train/K-Stock) is an electric multiple unit that operates on the MTR rapid transit railway system in Hong Kong. They were jointly built by a consortium consisting of Mitsubishi Heavy Industries of Japan and Hyundai Rotem of South Korea and come in two variants: those delivered for the Tseung Kwan O line now (but from 2002-2009 used on the Kwun Tong line), and those delivered in 2006 to 2007 for the Tung Chung line. In 2003 and 2004, the urban line trains ran on the Tsuen Wan line, Island line and Tseung Kwan O line.

The K-Stock trains are different from the R-stock trains to be built by Hyundai Rotem for the future North South Corridor, which were ordered by MTRC on 14 December 2012, as 37 nine-car sets and will enter service on the current East Rail line in 2018.[2]

Tsueng Kwan O line stock[edit]

The first of the 104 TKE-C651 cars entered service in late April 2002. Originally, these trains were designated to serve on the Tseung Kwan O line, but incompatible signalling apparatus installed in the new trains (running mode rather than the traditional automatic control system found in the M-stock) meant that all of the K-stock trains were initially unable to serve on the Tseung Kwan O line. As an alternative, all of those prototypes were ordered to serve on the Kwun Tong line. They have since been moved to the Tseung Kwan O Line with the extension to LOHAS Park in 2009 and the subsequent arrival of the newer C-stock on the Kwun Tong Line. Since it is much heavier than the older M-Train, it does not have any cars similar to D cars in M-Train.

The K-Stock is similar to the first trains used on Phase I of the Delhi Metro in India, which were also designed by Mitsubishi/Rotem, but built by BEML through a technology transfer arrangement.[3]

Tseung Kwan O line cars
car type driver cab motor pantograph auto-
seat wheelchair
A car 23230 45 1 26
B car 22000 45 1 39
C car 22000 45 1 39
Westbound (to North Point) Tseung Kwan O line sets (13 sets) (to LOHAS Park)/Po Lam Eastbound
  • A301-C301-B301-B801-C801-B302-C302-A302
  • A303-C303-B303-B802-C802-B304-C304-A304
  • A305-C305-B305-B803-C803-B306-C306-A306
  • A307-C307-B307-B804-C804-B308-C308-A308
  • A309-C309-B309-B805-C805-B310-C310-A310
  • A311-C311-B311-B806-C806-B312-C312-A312
  • A313-C313-B313-B807-C807-B314-C314-A314
  • A315-C315-B315-B808-C808-B316-C316-A316
  • A317-C317-B317-B809-C809-B318-C318-A318
  • A319-C319-B319-B810-C810-B320-C320-A320
  • A321-C321-B321-B811-C811-B322-C322-A322
  • A323-C323-B323-B812-C812-B324-C324-A324
  • A325-C325-B325-B813-C813-B326-C326-A326

The configuration of a TKL K Stock train is (Eastbound) A-C-B-B-C-B-C-A (Westbound). Maximum train speed is 90 km/h (56 mph) but with the max speed of 80 km/h (50 mph) on service currently, maximum starting acceleration is 1.3 m/s2 (4.27 ft/s2) (4.72 km/(h⋅s) or 2.93 mph/s), maximum service deceleration rate is 1.35 m/s2 (4.43 ft/s2) (4.86 km/(h⋅s) or 3.02 mph/s), emergency deceleration is 1.4 m/s2 (4.59 ft/s2) (5.04 km/(h⋅s) or 3.13 mph/s). This modern train is equipped with the modern 2-Level 3300V-1200A-IGBT (Insulated Gate Bipolar Transistor) VVVF Inverter from Mitsubishi Electric.

Tung Chung line stock[edit]

The first TKE-C6522-04E train came into service for MTR in 12 June 2006 to 26 February 2007. Originally MTRC wanted to buy new additional trains for the Tung Chung line when the North Island line project began. MTR anticipated that the opening of the Disneyland Resort and Ngong Ping 360 would have an increase in passenger demand and therefore ordered four new trains for the Tung Chung Line. The time frame from order to completion is short in comparison to other stock, however; the four new trains can only be made to be identical to existing Tseung Kwan O line K-Stock.

Tung Chung line cars
car type driver cab motor pantograph auto-
seat wheelchair
V car 23778 45 1 8
W / X car 22000 45 1 12
Y / Z car 22000 45 1 12
Westbound (to Tung Chung) Tung Chung line sets (4 sets) (to Hong Kong) Eastbound
  • V613-Z613-X613-Y713-W713-X813-Z813-V813
  • V614-Z614-X614-Y714-W714-X814-Z814-V814
  • V615-Z615-X615-Y715-W715-X815-Z815-V815
  • V616-Z616-X616-Y716-W716-X816-Z816-V816

Draw for the remaining 12 Adtranz-CAF train

The configuration of a TCL K-Stock train is (Westbound) V-Z-X-Y-W-X-Z-V (Eastbound). Maximum train speed is 140 km/h (87 mph) but with the max speed of 135 km/h (84 mph) ( on service currently, maximum acceleration is 1 m/s2 (3.3 ft/s2) (3.6 km/(h⋅s) or 2.2 mph/s), maximum service deceleration rate is 1.35 m/s2 (4.4 ft/s2) (4.86 km/(h⋅s) or 3.02 mph/s), emergency deceleration is 1.4 m/s2 (4.6 ft/s2) (5.04 km/(h⋅s) or 3.13 mph/s). This advanced train is equipped with the modern 1-Level 3300V-1200A-IGBT VVVF Inverter from Mitsubishi Heavy Industries.


  1. ^ Pierre2427, ROTEM昌原工場, August 2006
  2. ^ "New Trains and Signalling System for the future Shatin to Central Link" (PDF). 14 December 2012. Retrieved 16 December 2012.
  3. ^ P. Manoj (25 August 2005). "BEML to rake in big money from proposed metro projects". The Hindu. Retrieved 26 September 2009.

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