British Rail Class 398
| British Rail Class 398 Citylink | |
|---|---|
 Class 398 at Cardiff Bay in 2026 | |
Class 398 interior | |
| In service | 23 June 2026–present |
| Manufacturer | Stadler Rail |
| Assembly | Stadler Rail Valencia SAU |
| Built at | Valencia, Spain |
| Family name | Citylink |
| Replaced | |
| Constructed | 2020–2023 |
| Number built | 36 |
| Formation | 3 cars per unit |
| Fleet numbers | 398001–398036 |
| Capacity | 252 (126 seated, 126 standing) |
| Owners | SMBC Leasing and Equitix |
| Operator | Transport for Wales Rail |
| Depot | Taffs Well |
| Specifications | |
| Car body construction | Stainless steel |
| Train length | 40.07 m (131 ft 6 in) |
| Width | 2.650 m (8 ft 8.3 in) |
| Height | 3.865 m (12 ft 8.2 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 | 60 mph (train mode) 45 mph (tram mode) |
| Weight | 73.22 tonnes |
| Traction motors | 4 × TSA TMR 42-31-4, each of 150 kW (201 hp) |
| Power output | 600 kW (805 hp) |
| Electric system | 25 kV 50 Hz AC overhead |
| Current collection | Pantograph |
| UIC classification | Bo′+2′2′+Bo′ |
| Minimum turning radius | 25 m (82 ft) |
| Coupling system | Scharfenberg Type 330 |
| Multiple working | Within class |
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
| Notes/references | |
| Sourced from except where otherwise noted. | |
The Class 398 Citylink is a fleet of 36 tram-train multiple units built for Transport for Wales Rail by Swiss rolling stock manufacturer Stadler Rail.
The units are 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.