Future electric multiple unit to work in South Wales
British Rail Class 398 Citylink
Class 398 at Taffs Well Metro Control Centre
In service
Expected in late 2024[1]
Manufacturer
Stadler Rail
Assembly
Stadler Rail Valencia SAU
Built at
Valencia, Spain
Family name
Citylink
Replaced
Class 150
Class 153
Constructed
2020–present[2]
Number under construction
36
Formation
3 cars per unit
Fleet numbers
398001–398036
Capacity
252 (126 seated, 126 standing)
Owners
SMBC Leasing[3]
Operators
Transport for Wales Rail
Depots
Taff's Well[4]
Specifications
Car body construction
Stainless steel
Train length
40.07 m (131 ft 6 in)
Width
2.650 m (8 ft 8.3 in)
Floor height
915 mm (36 in) at doors
Doors
Double-leaf sliding plug (1 per side per vehicle)
Wheel diameter
740 mm (29 in)
Maximum speed
62 mph (100 km/h)
Traction motors
4 × TSA TMR 42-31-4, each of 150 kW (201 hp)[5]
Power output
600 kW (805 hp)
Electric system(s)
25 kV 50 Hz AC overhead
Current collector(s)
Pantograph
UIC classification
Bo′2′2′Bo′
Minimum turning radius
25 m (82 ft)
Multiple working
Within class
Track gauge
4 ft 8+1⁄2 in (1,435 mm) standard gauge
Notes/references
Sourced from [6] except where otherwise noted.
The Class 398 Citylink[7] is a fleet of 36 tram-train multiple units being built for Transport for Wales Rail by Swiss rolling stock manufacturer Stadler Rail.
The units will be equipped with traction battery packages, allowing them to operate over non-electrified sections of track in addition to those with 25 kV 50 Hz AC overhead supplies.[2]
^"Late 2024 service introduction for class 398s expected". Today's Railways UK. No. 264. February 2024. p. 61.
^ ab"Trains for Wales under construction". Rail Business UK. Sutton: DVV Media International. 2 December 2020. Archived from the original on 2 December 2020. Retrieved 7 December 2020.
^"Time to take stock as the 'bubble' bursts…". Rail Magazine. No. 989. 9 August 2023. pp. 42–47.
^"Taff's Well metro depot construction started by Transport for Wales". Railway Technology. Verdict Media. 20 January 2020. Retrieved 28 January 2023.
^"Stadler Rail Citylink for Keolis CVL Cardiff, Wales". Wiener Neudorf: Traktionssysteme Austria. Retrieved 28 January 2023.
^Citylink Tram Train, Transport for Wales(PDF). Bussnang: Stadler Rail Group. September 2022. CTTWB0922e. Archived (PDF) from the original on 20 September 2022. Retrieved 28 January 2023.
^Transport for Wales Rail [@tfwrail] (2 December 2019). "Our Metro tram-trains, which will run on the Treherbert, Aberdare and Merthyr lines from 2022, will be Class 398" (Tweet) – via Twitter.
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