MTR Rotem EMU

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: TKE-C651 was delivered for the Tseung Kwan O line (used on the Kwun Tong line until 2009), and TKE-C6522-04E 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.

This article is about the train operating on the Tseung Kwan O and Tung Chung lines. For the train operating on the East Rail line since 2021, see MTR Hyundai Rotem EMU. For the train operating on the Canada Line in Vancouver, Canada, see SkyTrain rolling stock § Hyundai Rotem EMU.

K-Train
Rotem EMU
港鐵市區綫韓製列車/
港鐵東涌綫韓製列車
TCL-K Stock on the Tung Chung line
K-Train interior used on the Tseung Kwan O Line
In service
ManufacturerRotem and Mitsubishi HI consortium
Order no.
Built atChangwon, South Korea[1]
Constructed2002–2007
Entered service
Number built
Number in service
Formation8 cars per trainset
Operator(s)MTR
Depot(s)  Tseung Kwan O line:
  • Kowloon Bay depot (2002–2009)
  • Tseung Kwan O depot
  Tung Chung line:
  • Siu Ho Wan depot
Line(s) served
Specifications
Car body constructionStainless steel
Train length
Car length
Width3,118 mm (10 ft 2.8 in)
Height3,698 mm (12 ft 1.6 in) (without pantograph or air conditioner)
Floor height
Platform height
Doors5 sets of 51 inch wide Sliding Plug doors per side
Maximum speed  Tseung Kwan O line:
  • 90 km/h (56 mph) (design)
  • 80 km/h (50 mph) (service)
  Tung Chung line:
  • 140 km/h (87 mph) (design)
  • 135 km/h (84 mph) (service)
Weight335t (per train set)
Traction systemMitsubishi 2-level IGBT–VVVF
Traction motors24 × Mitsubishi asynchronous 3-phase AC
Power output
Acceleration1 m/s2 (3.3 ft/s2)
Deceleration
  • Service: 0.8–1.35 m/s2 (2.6–4.4 ft/s2)
  • Emergency: 1.4 m/s2 (4.6 ft/s2)
Electric system(s)1,500 V DC overhead catenary
Current collector(s)Pantograph
UIC classification2′2′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+2′2′
Bogies
Braking system(s)Knorr-Bremse electropneumatic, regenerative and rheostatic
Safety system(s)ATO and ATP
Track gauge1,432 mm (4 ft 8+3⁄8 in)
Seating1,240 passengers(360 seats) (per train set)
Notes/references
[3]

The K-Stock trains are different from the R-stock trains built by Hyundai Rotem for the East Rail line extension, which were ordered by MTRC on 14 December 2012, as 37 nine-car sets and entered service on the current East Rail line in 2021.[4]

Details

Tseung Kwan O line stock

The first of the 104 TKE-C651 cars entered service on 26 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 which made the Kwun Tong line only use the M-Train. Since the location of motor and trailer cars are different from the older M-Train, it does not have any cars similar to D cars in M-Train.

The K-Stock's exterior appearance 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.[5]

The K-Stock trains came under criticism when they were first put into service due to delays and door safety issues.[6] Along with other service reliability issues, there have been incidents where passengers have been injured by its doors, leading to the MTRCL "minimising the number of Korean trains for passenger service until a higher reliability of the systems concerned is achieved".[6]

Tseung Kwan O line cars
car type driver cab motor pantograph auto-
coupler		 length
(mm)		 seat wheelchair
space		 amount
A car ✓✗✗✓2323045126
B car ✗✓✗✗2200045139
C car ✗✓✓✓2200045139

The configuration of a TKL K Stock train is (Eastbound) A-C-B-B-C-B-C-A (Westbound). Its maximum speed is 90 km/h (56 mph) but with service limits to 80 km/h (50 mph), with a maximum starting acceleration of 1.3 m/s2 (4.27 ft/s2) (limited to 1 m/s2 (3.28 ft/s2) in ATO), maximum service deceleration rate of 1.35 m/s2 (4.43 ft/s2) and emergency deceleration of 1.4 m/s2 (4.59 ft/s2). This modern train is equipped with a modern 2-level IGBT–VVVF inverter from Mitsubishi Electric.

Tung Chung line stock

The first TKE-C6522-04E train came into service for MTR on 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-
coupler		 length
(mm)		 seat wheelchair
space		 amount
V car ✓✗✗✓237884228
W / X car ✗✓✗✗2200048012
Y / Z car ✗✓✓✓0

The configuration of a TCL K-Stock train is (Westbound) V-Z-X-Y-W-X-Z-V (Eastbound). Its maximum speed is 140 km/h (87 mph) but with service limits to 135 km/h (84 mph),[3] with a maximum starting acceleration and service deceleration rate of 1 m/s2 (3.28 ft/s2), and emergency deceleration of 1.4 m/s2 (4.59 ft/s2). This advanced train is equipped with a modern 2-level IGBT–VVVF inverter (model number: MAP-214-15VD143) from Mitsubishi Electric.

Overseas export

A variant of the MTR K-Stock EMU was selected as Phase I rolling stock for the Delhi Metro.

The train on the Tseung Kwan O line, appears in the film, Blackhat.[7]

References
  1. Pierre2427, ROTEM昌原工場, August 2006
  2. 2002-02-01T11:00:00. "Tseung Kwan O Extension prepares to open". Railway Gazette International. Retrieved 24 February 2023.
  3. "Railway Systems-Project Record View". Hyundai Rotem.
  4. "New Trains and Signalling System for the future Shatin to Central Link" (PDF). 14 December 2012. Retrieved 16 December 2012.
  5. P. Manoj (25 August 2005). "BEML to rake in big money from proposed metro projects". The Hindu. Archived from the original on 8 August 2007. Retrieved 26 September 2009.
  6. "Review of MTRC Services and Incidents" (PDF). Hong Kong Legislative Council. Archived (PDF) from the original on 18 February 2012. Retrieved 6 November 2007.
  7. "Where Was Blackhat Filmed?".
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