B23 Stock
CAF's Inneo trains for the DLR: five cars you can walk through, with 12 sets of doors a side, replacing the oldest trains.
86.7 m over couplers
- Type
- Light rail vehicle, five cars walk-through
- Builder
- CAF, Beasain (Spain)
- In service
- since 2025
- Lines
- DLR
- Formation
- 5 cars, walk-through (three motor cars and two trailers), 86.7 m
- Trains in fleet
- 54 ordered
- Top speed
- 80 km/h
- Power
- 750 V DC third rail
- Train length
- 86.70 m
- Car height
- 3.512 m
- Car width
- 2.65 m
- Profile
- light rail
- Walk-through
- Yes
- Total capacity
- 792 passengers, with 3 wheelchair spaces
- Status
- Being introduced: the first entered service in autumn 2025, the three in service were withdrawn in November 2025, and the first returned on 7 September 2026. TfL is finalising the rest of the rollout with CAF.
Car types
| Code | Car | Length | Doors per side |
|---|---|---|---|
| A | Driving motor (cars A and E), with a cab | 16.58 m | 2 double |
| B | Trailer (cars B and D) | 15.58 m | 3 double |
| C | Motor (car C) | 15.58 m | 2 double |
Sources
- Technical drawings for DLR stock trains (FOI-4241-2324): B23 train general layout (CAF C.M0.00.001 Ed. D), B92 general vehicle layout (DL-999-0001-1), B2007 vehicle layout (2021), Transport for London, 28 February 2024, pp. B23 sheets 1–2 (dimensions, bogies, doors; side elevation)
- Environmental Product Declaration S-P-11359: Inneo B23 for DLR, CAF, 14 December 2023, pp. 1, 4 (built at Beasain; length, width, capacity, speed, power)
- New trains on the Docklands Light Railway, Rail Engineer, 19 December 2023 (doors, formation, weights)
- Contract awarded to replace oldest DLR trains, Transport for London (press release), 12 June 2019 (order)
- Order placed for additional 11 new state-of-the-art DLR trains, Transport for London (press release), 30 June 2023 (11 more, making 54)
- New state-of-the-art DLR trains begin to roll into service, Transport for London, 1 October 2025 (first in service)
- New DLR trains returning to customer service by late summer, Transport for London, 27 February 2026 (withdrawal)
- First new state-of-the-art DLR train returns to customer service following completion of enhancements and testing programme, Transport for London, 7 September 2026 (return to service)
- TfL details rollout plan for new DLR trains after first enters service, Rail, 7 October 2025 (rollout plan)
unverified first passenger day: 29 or 30 September 2025 (Rail and British Trams Online differ; TfL said a train was in service on 1 October), door width: the clear opening isn't printed on the general layout