The Rotem EMU (also known as K-Train/K-Stock) is an

electric multiple unit An electric multiple unit or EMU is a multiple-unit train consisting of self-propelled carriages using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a numbe ...

that operates on the MTR

rapid transit Rapid transit or mass rapid transit (MRT), also known as heavy rail or metro, is a type of high-capacity public transport generally found in urban areas. A rapid transit system that primarily or traditionally runs below the surface may be c ...

railway Rail transport (also known as train transport) is a means of transport that transfers passengers and goods on wheeled vehicles running on rails, which are incorporated in tracks. In contrast to road transport, where the vehicles run on a pre ...

system in

Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China ( abbr. Hong Kong SAR or HKSAR), is a city and special administrative region of China on the eastern Pearl River Delt ...

. They were jointly built by a

consortium A consortium (plural: consortia) is an association of two or more individuals, companies, organizations or governments (or any combination of these entities) with the objective of participating in a common activity or pooling their resources for ...

consisting of

Mitsubishi Heavy Industries is a Japanese multinational engineering, electrical equipment and electronics corporation headquartered in Tokyo, Japan. MHI is one of the core companies of the Mitsubishi Group and its automobile division is the predecessor of Mitsubishi Mo ...

of Japan and

Hyundai Rotem Hyundai Rotem (founded in 1977) is a South Korean company that manufactures rolling stock, defense products and plant equipment. It is a part of the Hyundai Motor Group. Its name was changed from Rotem to Hyundai Rotem in December 2007 to refl ...

of South Korea and come in two variants: TKE-C651 was delivered for the

Tseung Kwan O line The Tseung Kwan O line is one of the eleven lines of the MTR system in Hong Kong, indicated by the colour purple. It is currently long, taking 15 minutes to travel throughout the entire line. The line runs from North Point on the Hong Kong I ...

(used on the

Kwun Tong line The Kwun Tong line is a heavy-rail rapid transit line of the MTR network in Hong Kong, coloured green on the MTR map. Starting at Whampoa in Hung Hom and ending at Tiu Keng Leng in Tseung Kwan O, Sai Kung, the route has 17 stations and ...

until 2009), and TKE-C6522-04E delivered in 2006 to 2007 for the

Tung Chung line The Tung Chung line is one of the ten lines of the MTR system in Hong Kong, linking the town of Tung Chung with central Hong Kong. A part of the Tung Chung line was built along with the Kap Shui Mun Bridge and the Tsing Ma Bridge. The line cu ...

. In 2003 and 2004, the urban line trains ran on the

Tsuen Wan line The Tsuen Wan line is one of the eleven lines of the metro network in Hong Kong's MTR. It is indicated in red on the MTR map. There are 16 stations on the line. The southern terminus is Central station on Hong Kong Island and the nor ...

Island line Island Line or Island line may refer to: * Island line (MTR), one of the lines of the MTR metro system in Hong Kong * Island Line, Isle of Wight, a railway line on the Isle of Wight, England ** Island Line (brand) Island Line is a brand of the ...

and

. 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 The East Rail line () is one of ten lines of the Mass Transit Railway (MTR) system in Hong Kong. It used to be one of the three lines of the Kowloon–Canton Railway (KCR) network. It was known as the KCR British Section () from 1910 to 1996, ...

in 2021.

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

, 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

. They have since been moved to the Tseung Kwan O line with the extension to

LOHAS Park LOHAS Park () is a Hong Kong seaside residential development of the MTR Corporation, located in Tseung Kwan O Area 86, New Territories. After its full completion, it will be the largest single residential enclave in the territory. Name and ...

in 2009 and the subsequent arrival of the newer C-stock on the Kwun Tong line. 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 The Delhi Metro is a mass rapid transit (MRT) system serving Delhi and its satellite cities of Ghaziabad, Faridabad, Gurgaon, Noida, Bahadurgarh and Ballabhgarh, in the National Capital Region of India. The network consists of 10 colour-cod ...

in India, which were also designed by Mitsubishi/Rotem, but built by

BEML BEML Limited, formerly Bharat Earth Movers Limited, is an Indian Public Sector Undertaking, headquartered in Bengaluru, Karnataka, India. It manufactures a variety of heavy equipment, such as that used for earth moving, railways, transport and ...

through a

technology transfer Technology transfer (TT), also called transfer of technology (TOT), is the process of transferring (disseminating) technology from the person or organization that owns or holds it to another person or organization, in an attempt to transform invent ...

arrangement. The K-Stock trains came under criticism when they were first put into service due to delays and door safety issues. 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". The configuration of a TKL K Stock train is (Eastbound) A-C-B-B-C-B-C-A (Westbound). Its maximum speed is but with service limits to , with a maximum starting

acceleration In mechanics, acceleration is the rate of change of the velocity of an object with respect to time. Accelerations are vector quantities (in that they have magnitude and direction). The orientation of an object's acceleration is given by the ...

of (limited to in ATO), maximum service

deceleration In mechanics, acceleration is the rate of change of the velocity of an object with respect to time. Accelerations are vector quantities (in that they have magnitude and direction). The orientation of an object's acceleration is given by the ...

rate of and emergency deceleration of . This modern train is equipped with a modern 2-level

IGBT An insulated-gate bipolar transistor (IGBT) is a three-terminal power semiconductor device primarily used as an electronic switch, which, as it was developed, came to combine high efficiency and fast switching. It consists of four alternating lay ...

–

VVVF A variable-frequency drive (VFD) is a type of motor drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and, depending on Topology (electrical circuits), topology, to control asso ...

inverter from

Mitsubishi Electric , established on 15 January 1921, is a Japanese multinational electronics and electrical equipment manufacturing company headquartered in Tokyo, Japan. It is one of the core companies of Mitsubishi. The products from MELCO include elevators an ...

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

when the

North Island line The North Island line is a proposal to provide rapid transit service for the area between the existing MTR Island line and the northern coast of Hong Kong Island in order to relieve the already congested Island line. Originally, according to th ...

project began. MTR anticipated that the opening of the

Disneyland Resort The Disneyland Resort, commonly known as Disneyland, is an entertainment resort in Anaheim, California. It is owned and operated by The Walt Disney Company through its Parks, Experiences and Products division and is home to two theme parks (Di ...

and

Ngong Ping 360 Ngong Ping 360 is a bicable gondola lift on Lantau Island in Hong Kong. Intended to improve tourism to the area, the aerial lift was previously known as Tung Chung Cable Car Project before acquiring the Ngong Ping 360 brand in April 2005. It ...

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

K-Stock. The configuration of a TCL K-Stock train is (Westbound) V-Z-X-Y-W-X-Z-V (Eastbound). Its maximum speed is but with service limits to , with a maximum starting

and service

rate of , and emergency deceleration of . This advanced train is equipped with a modern 2-level

–

inverter (model number: MAP-214-15VD143) from

References

External links

*

spec sheet {{MTR MTR rolling stock Electric multiple units of Hong Kong Hyundai Rotem multiple units 1500 V DC multiple units