TWR 71-000 series

Tokyo Waterfront Area Rapid Transit 71-000 series
A 71-000 series set in December 2025
In service2025–present
ManufacturerJ-TREC
Family nameSustina S24 Series
Replaced70-000 series
Entered service1 October 2025
Number under construction60 vehicles (6 sets)
Number built20 vehicles (2 sets)
Formation10 cars per trainset
Fleet numbersZ11–
Capacity1544 (486 seated)
OperatorTokyo Waterfront Area Rapid Transit
DepotYashio
Lines served
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,998 mm (9 ft 10.0 in)
Height4,016.5 mm (13 ft 2.13 in)
Floor height1,130 mm (3 ft 8 in)
Doors4 pairs per side
Maximum speed
  • 120 km/h (75 mph)
  • 100 km/h (62 mph) (Rinkai Line)
Traction systemIGBTVVVF
Traction motorsThree-phase induction motor
Power output140 kW (190 hp)
Acceleration2.5 km/(h⋅s) (1.6 mph/s)
Deceleration5 km/(h⋅s) (3.1 mph/s)
Electric systems1,500 V DC (overhead catenary)
Current collectionPantograph
Bogies
  • TS-1050 (motored)
  • TS-1051 and TS-1051A (trailer)
Braking systemRegenerative brake
Safety systemsATS-P, ATC
Track gauge1,067 mm (3 ft 6 in)
Notes/references
Specifications:

The Tokyo Waterfront Area Rapid Transit 71‑000 series (東京臨海高速鉄道71‑000形) is an electric multiple unit (EMU) commuter train type operated by the third-sector railway operator Tokyo Waterfront Area Rapid Transit (TWR) since 2025. A total of eight 10-car sets are to be built to replace the fleet of 70-000 series sets used on the Rinkai Line since its opening in 1996.