Odakyu 4000 series
The Odakyu 4000 series is a 1,500 V DC commuter electric multiple unit train type operated by the private railway operator Odakyu Electric Railway in Japan since 2007.Design
The trains are based on the JR East E233-2000 series narrow-body EMU design to permit subway running. The traction motors are fully enclosed to reduce environmental noise.Formation
, 15 ten-car sets are in service, numbered 4051 to 4065, and formed as follows.
| Car No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Designation | Tc2 | M6 | M5 | T2 | T1 | M4 | M3 | M2 | M1 | Tc1 |
| Numbering | 4550 | 4500 | 4400 | 4450 | 4350 | 4300 | 4200 | 4100 | 4000 | 4050 |
- Cars 3, 7, and 9 each have one single-arm pantograph.
- Car 2 is designated as a mildly air-conditioned car.
Interior
Passenger accommodation consists of longitudinal bench seating throughout. Cars 1 and 10 have wheelchair spaces.History
The first train was delivered in May 2007, and the trains entered service in September 2007 on inter-running services between Odakyu and the Tokyo Metro Chiyoda Line, displacing 1000 series sets, which were cascaded to surface lines to replace older 5000 and 5200 series sets.
