MTR Rotem EMU

K-Train
Rotem EMU
港鐵市區綫韓製列車/
港鐵東涌綫韓製列車
URL-K Stock on the Tseung Kwan O line
TCL-K-Stock on the Tung Chung line approaching Sunny Bay station
K-Train interior used on the Tseung Kwan O line
K-Train interior used on the Tung Chung line
In service
ManufacturersHyundai Rotem and Mitsubishi Heavy Industries consortium
Order nos.
Built atChangwon, South Korea
Mihara, Hiroshima, Japan
Constructed2001–2007
Entered service
Number built
Number in service
Formation8 cars per trainset
OperatorMTR
Depots  Tseung Kwan O line:
  • Kowloon Bay depot (2002–2009)
  • Tseung Kwan O depot
  Tung Chung line:
  • Siu Ho Wan depot
Lines 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
Wheel diameter860–785 mm (33.9–30.9 in) (new–worn)
Wheelbase2.5 m (8 ft 2 in)
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 systems1,500 V DC overhead catenary
Current collectionPantograph
UIC classification2′2′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+2′2′
Bogies
Braking systemsKnorr-Bremse electropneumatic, regenerative and rheostatic
Safety systemsATO and ATP
Seating1,240 passengers(360 seats) (per train set)
Track gauge1,432 mm (4 ft 8+3⁄8 in)
Notes/references

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.

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.