MTR KTT

KTT (simplified Chinese: 九广通; traditional Chinese: 九廣通) is a train set used by the MTR Corporation Limited in Hong Kong on the Guangdong Through Train route. It is used on the Guangdong line (Hung Hom (Kowloon), Hong Kong - Changping - Guangzhou East) of the through train service.

KTT - KCR Through Train Guangdong Through Train (MTR)
九廣通直通車
KTT in standard livery
In service1998–2023
ManufacturerSLM and ABB (locomotives)
Kinki Sharyo (coaches)
Built atWinterthur and Zürich, Switzerland (locomotives)
Osaka, Japan (coaches)
Constructed1995
Entered service28 August 1998
Number built2 locomotives and 12 coaches
Fleet numbersKowloon Through Train
Capacity112 (first class car), 72 (premium class car)
OperatorsMTR Corporation
Lines servedMTR intercity services along East Rail line
Specifications
Car length
  • 25.5 m (83 ft 8 in) (coaches)
  • 18.5 m (60 ft 8 in) (locomotives)
Width
  • 3.05 m (10 ft 0 in) (coaches)
  • 3 m (9 ft 10 in) (locomotives)
Height
  • 4.6 m (15 ft 1 in) (coaches)
  • 4.31 m (14 ft 2 in) (locomotives)
Floor height1.25 m (4 ft 1 in)
Maximum speed160 km/h (99 mph) (design)
Weight
  • 84 t (83 long tons; 93 short tons) (locomotives)
  • 56 t (55 long tons; 62 short tons) (premium class coaches)
  • 55.5 t (54.6 long tons; 61.2 short tons) (first class coaches)
Traction systemABB GTO–VVVF
Traction motors8 × ABB 6FHA-7067 1.6–1.8 MW (2,100–2,400 hp) 3-phase AC induction motor
Power output12.2 MW (16,400 hp)
Acceleration1 m/s2 (3.3 ft/s2)
Deceleration1 m/s2 (3.3 ft/s2) (service)
1.3 m/s2 (4.3 ft/s2) (emergency)
Electric system(s)25 kV 50 Hz AC Catenary
Current collector(s)Pantograph
Braking system(s)Air
Safety system(s)AWS (former), TBL (enhanced with ATP)
Coupling systemBuckeye
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge

The double-deck "KTT" trailers have lower bottom floor than the ordinary cars serving on the same pair of tracks.

After the Guangdong Through Train and all other intercity passenger services were suspended in early 2020 amidst the coronavirus pandemic, the KTT trains were placed into storage. Despite border reopenings, there are currently no plans to resume intercity services.

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