Keio 9000 series
The Keio 9000 series (京王9000系) is an electric multiple unit (EMU) train type in Japan, operated by the private railway operator Keio Corporation since 2001 on the Keio Line and its branches in Tokyo and Kanagawa Prefecture.
| Keio 9000 series | |
|---|---|
8-car set 9701 in November 2021 | |
| In service | 2001–present |
| Manufacturer | Nippon Sharyo, Tokyu Car Corporation |
| Replaced | 6000 series |
| Constructed | 2000–2009 |
| Entered service | 24 January 2001 |
| Number built | 264 vehicles (28 sets) |
| Number in service | 264 vehicles (28 sets) |
| Formation | 8/10 cars per trainset |
| Fleet numbers |
|
| Capacity | 141 (end cars), 152 (intermediate cars) |
| Operators | Keio Corporation |
| Depots | Takahatafudō and Wakabadai |
| Lines served |
|
| Specifications | |
| Car body construction | Stainless steel |
| Car length | 20 m (65 ft 7 in) |
| Width | 2,845 mm (9 ft 4 in) |
| Height | 4,100 mm (13 ft 5 in) |
| Doors | 4 pairs per side |
| Maximum speed | 110 km/h (68 mph) on Keio Corporation lines, 75 km/h (47 mph) on Toei Shinjuku Line |
| Traction system | Hitachi 2-level VVVF (IGBT switching device) |
| Traction motors | Hitachi 3-phase squirrel-cage induction motor |
| Power output | 170 kW (228 hp) x4 per motored car |
| Acceleration | 2.5 km/(h⋅s) (1.6 mph/s) (Keio Line) 3.3 km/(h⋅s) (2.1 mph/s) (Toei Shinjuku Line) |
| Deceleration | 4.0 km/(h⋅s) (2.5 mph/s) 4.5 km/(h⋅s) (2.8 mph/s) (emergency) |
| Electric system(s) | 1,500 V DC |
| Current collector(s) | Overhead |
| Braking system(s) | Electronically controlled pneumatic brakes with regenerative braking |
| Safety system(s) | ATC, Digital-ATC |
| Multiple working | 7000 series, 6000 series |
| Track gauge | 1,372 mm (4 ft 6 in) |
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