Seibu 9000 series

Seibu 9000 series
Refurbished set 9104 in June 2008
In service1993–present
ManufacturerSeibu Tokorozawa Railway Works
Built atTokorozawa
Replaced101 series
Constructed1993–1999
Entered service19 September 1993 (1993-09-19)
Refurbished2004–2008
Number built80 vehicles (8 sets)
Number in service20 vehicles (5 sets)
Number scrappedAt least 30 vehicles (as of 13 January 2021)
Formation4 (formerly 10) cars per trainset
Fleet numbers9101–9108
OperatorsSeibu Railway
DepotsMusashigaoka
Lines served
Specifications
Car body constructionSteel
Car length20 m (65 ft 7 in)
Doors4 pairs per side
Maximum speed105 km/h (65 mph)
Traction system
Electric system(s)1,500 V DC (overhead lines)
Current collector(s)Pantograph
Track gauge1,067 mm (3 ft 6 in)

The Seibu 9000 series (西武9000系) is an electric multiple unit (EMU) train type operated by the private railway operator Seibu Railway on commuter services in the Tokyo area of Japan since 1993.