Seibu 6000 series

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Seibu 6000 series
Series 6000 of Seibu Railway.jpg
Aluminium body 6151 (left) and refurbished stainless steel body set 6107 (right) in March 2008
Entered service 1992
Refurbishment 2006–2007
Number built 250 vehicles (25 sets)
Number in service 250 vehicles (25 sets)
Formation 10 cars per trainset
Operator(s) Seibu Railway
Depot(s) Kotesashi, Tamagawajosui
Line(s) served Seibu Ikebukuro Line, Seibu Shinjuku Line, Seibu Yurakucho Line, Seibu Haijima Line, Seibu Sayama Line, Tokyo Metro Yurakucho Line, Tokyo Metro Fukutoshin Line
Car body construction Stainless steel (6101 to 6117); Aluminium (6151 to 6158)
Car length 20,000 mm (65 ft 7 in)
Doors 4 pairs per side
Maximum speed 105 km/h (on Seibu Line), 80 km/h (on Tokyo Metro lines)
Traction system GTO-VVVF
Power output 155 kW per motor
Acceleration 3.3 km/h/s (on Tokyo Metro lines)
Electric system(s) 1,500 V DC overhead
Braking system(s) Electronically controlled pneumatic brakes with regenerative braking
Safety system(s) ATC (beside 6101 and 6102), ATS (all sets)
Track gauge 1,067 mm (3 ft 6 in)

The Seibu 6000 series (西武6000系?) is a Japanese electric multiple unit (EMU) train type operated by the private railway operator Seibu Railway on commuter services in the Tokyo area since 1992.[1]


As of 1 April 2016, the fleet consists of 25 10-car sets (numbered 6101 to 6117 and 6151 to 6158), formed as follows.[2]

Car No. 1 2 3 4 5 6 7 8 9 10
Designation Tc1 M1 M2 T1 M3 M4 T2 M5 M6 Tc2
Numbering 6100 6200 6300 6400 6500 6600 6700 6800 6900 6000

Cars 2, 5, and 8 are each fitted with a lozenge-type pantograph.[2]


Passenger accommodation consists of longitudinal bench seating throughout. Some trains have two LCD passenger information screens above each door, some have LED scrolling displays.


The first set was introduced in 1992 for inter-running with the Tokyo Metro Yurakucho Line. All sets are in 10-car fixed formations. Construction continued until 1998. Sets from 6156 onward were built with no door-pocket windows.[2]

Sets 6108 to 6117 and 6151 to 6158 include ATC for use on the Tokyo Metro Yurakucho Line and Seibu Yurakucho Line. Between 2006 and 2007, sets 6103 to 6107 were also modified with ATC for use on the Tokyo Metro Fukutoshin Line. These sets are distinguished by the addition of white front-end surrounds.[2]

Livery variations[edit]

Set 6157 in December 2015

From 18 April 2015, set 6157 was returned to service in a special all-over yellow livery to mark the 100th anniversary of the Seibu Ikebukuro Line. It is scheduled to carry this livery until March 2016.[3]


  1. ^ 私鉄車両年鑑2012 [Japan Private Railways Annual 2012]. Tokyo, Japan: Ikaros Publications Ltd. February 2012. p. 181. ISBN 978-4-86320-549-9. 
  2. ^ a b c d 私鉄車両編成表 2016 [Private Railway Rolling Stock Formations - 2016] (in Japanese). Japan: Kotsu Shimbunsha. 25 July 2016. p. 49-51. ISBN 978-4-330-70116-5. 
  3. ^ 西武「黄色い6000系電車」運転開始 [Seibu "Yellow 6000 series" enters service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 19 April 2015. Retrieved 21 April 2015. 

External links[edit]