| Tobu 20000/20050/20070/20400 series | |
|---|---|
 20000 series set 21805 in April 2008 | |
| Manufacturer | Alna Kōki, Tokyu Car Corporation |
| Built at | Amagasaki, Yokohama |
| Replaced |
|
| Constructed | 1988–1997 |
| Entered service | 25 March 1988 |
| Refurbished | 2018– |
| Scrapped | 2017– |
| Number built | 192 vehicles (24 sets) |
| Number in service | 192 vehicles (24 sets) (as of 1 April 2017[update]) |
| Formation | 4/8 cars per trainset |
| Operators | Tobu Railway |
| Depots | Kasukabe |
| Lines served | |
| Specifications | |
| Car body construction | Stainless steel |
| Car length | 18,000 mm (59 ft 1 in) |
| Width | 2,857 mm (9 ft 4.5 in) |
| Doors | 3/5 pairs per side |
| Maximum speed | 100 km/h (62 mph)[1] 110 km/h (68 mph) (20400 series)[2] |
| Traction system | Chopper control (20000 series) Variable frequency (GTO) (20050, 20070 & 20400 series) |
| Traction motors | TM-83 (Chopper) TM-92 (GTO-VVVF) |
| Acceleration | 3.3 km/(h⋅s) (2.1 mph/s) |
| Deceleration | 3.7 km/(h⋅s) (2.3 mph/s) (service) 4.5 km/(h⋅s) (2.8 mph/s) (emergency) |
| Electric system(s) | 1,500 V DC overhead line |
| Current collector(s) | 20000 series: scissors type pantograph[3] 20070 series: single-arm pantograph[3] 20400 series: single-arm pantograph[2] |
| Safety system(s) | Tobu ATS |
| Track gauge | 1,067 mm (3 ft 6 in) |
The Tobu 20000 series (東武20000系, Tōbu 20000-kei) is a DC electric multiple unit (EMU) commuter train type operated by the private railway operator Tobu Railway in Japan since 1988.[4]
The 20000 series fleet is scheduled to be replaced by new Tobu 70000 series EMUs with 20 m cars.
- ^ 私鉄車両年鑑2015 [Japan Private Railways Annual 2015] (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. 20 June 2015. p. 148. ISBN 978-4-8022-0003-5.
- ^ a b Cite error: The named reference
jrrprivate2010was invoked but never defined (see the help page). - ^ ２００６東武鉄道通勤車両カタログ [2006 Tobu Railway Commuter Rolling Stock Catalogue]. Tetsudo Daiya Joho Magazine. Vol. 35, no. 263. Japan: Kotsu Shimbun. March 2006. pp. 16–20.