Yokohama Municipal Subway 4000 series
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| Yokohama Municipal Subway 4000 series | |
|---|---|
 A 4000 series train at Nakamachidai Station | |
| In service | 2022–present |
| Manufacturer | Kawasaki Heavy Industries |
| Built at | Kōbe, Hyōgo |
| Replaced | 3000A series |
| Constructed | 2021– |
| Entered service | 2 May 2022 |
| Number under construction | 42 carriages (7 sets) |
| Number built | 6 carriages (1 set) |
| Number in service | 6 carriages (1 set) (As of May 2022[update]) |
| Formation | 6-car sets Tc1–M2–M3–M4–M5–Tc6 |
| Capacity | 766 |
| Operators |  Yokohama City Transportation Bureau |
| Depots | Kaminagaya |
| Lines served |  Yokohama Municipal Subway Blue Line |
| Specifications | |
| Car body construction | Stainless steel |
| Train length | 109.08 m (357 ft 10 in) |
| Car length |
|
| Width | 2.76 m (9 ft 1 in) |
| Height | 3,575 mm (11 ft 8.7 in) |
| Doors | 3 pairs per side |
| Wheel diameter | 860 mm (34 in) |
| Wheelbase | 2,100 mm (6 ft 11 in) |
| Maximum speed |
|
| Traction system | VVVF |
| Traction motors | 16 × 140 kW (188 hp) 3-phase AC induction motor[1] |
| Power output | 2.24 MW (3,004 hp)[1] |
| Acceleration | 0.89 m/s2 (2.0 mph/s) |
| Deceleration |
|
| Electric system(s) | 750 V DC third rail |
| Current collection | Contact shoe |
| UIC classification | 2′2′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+2′2′ |
| Bogies | SS162MB (powered), SS162TB (trailer) |
| Safety system(s) | ATC/ATO |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
The Yokohama Municipal Subway 4000 series (横浜市交通局4000形) is a metro electric multiple unit (EMU) train type operated by the Yokohama City Transportation Bureau on the Yokohama Municipal Subway Blue Line in Japan since 2022.
Interior
Longitudinal bucket seating is used throughout.[3]
Interior of a 4000 series set
Onboard LCD information screens
Technical details
Construction is of stainless steel.[1] Cars are 18 metres (59 ft 1 in) long (leading cars are 54 centimetres (1 ft 9 in) longer[2]), 2,760 millimetres (9 ft 1 in) wide,[1] and approximately 3.5 metres (11 ft 6 in) tall.[2] The trains use a VVVF traction control system that allows for full regenerative braking.[1] The trains have a maximum design speed of 90 kilometres per hour (56 mph) but are limited to 80 km/h (50 mph) during operation.[3]
