Vivarail D-Train
| Vivarail D-Train | |
|---|---|
Class 230 prototype | |
| Manufacturers | Metro-Cammell (original construction) Vivarail (conversion) |
| Built at | Quinton Rail Technology Centre (conversion) |
| Family name | D78 old London underground tube stock |
| Replaced | Class 150 Class 153 Class 165 Class 483 |
| Constructed | 2015 - 2022 |
| Entered service | 2022 |
| Number under construction | 20 GWR |
| Predecessor | D78 tube stock |
| Formation | 2-3 cars per unit |
| Fleet numbers | 230001 to 230124 |
| Operators | |
| Depots | |
| Lines served |
|
| Specifications | |
| Car body construction | Aluminium |
| Car length | Driving Motor: 18.37 m (60 ft 3 in) Other: 18.12 m (59 ft 5 in) |
| Width | 2.85 m (9 ft 4 in) |
| Platform height | Level |
| Maximum speed | 97 kilometres per hour (60 mph) |
| Traction system | 3rd rail or lithium battery |
| Prime mover | Ford Duratorq |
| Electric systems | Hoppecke Li-ion batteries 750 V DC third rail |
| Current collection | Contact shoe |
| Safety systems | AWS, TPWS |
| Coupling system | Wedglock |
| Multiple working | With-in-class |
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
The Vivarail D-Train is a family of multiple units remanufactured by Vivarail for the British rail network. They are converted from London Underground D78 Stock, originally manufactured between 1978 and 1981 by Metro-Cammell. Two versions have been produced: the Class 230 diesel electric multiple unit and the Class 484 electric multiple unit.