Seibu 20000 series

The Seibu 20000 series (西武20000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 2000.[1]

Seibu 20000 series
10-car set 20101 on the Seibu Ikebukuro Line in December 2018
Manufacturer	Hitachi
Built at	Kudamatsu, Yamaguchi
Family name	Hitachi A-train
Constructed	1999–2005
Entered service	2000
Number built	144 vehicles (16 sets)
Number in service	144 vehicles (16 sets)
Formation	8/10 cars per trainset
Operator(s)	Seibu Railway
Depot(s)	Kotesashi, Minami-Iriso, Musashigaoka, Tamagawa-Josui
Line(s) served	■ Seibu Shinjuku Line ■ Seibu Ikebukuro Line
Specifications
Car body construction	Aluminium
Car length	20,000 mm (65 ft 7 in)
Doors	4 pairs per side
Maximum speed	105 km/h (65 mph)
Traction system	Variable frequency (IGBT)
Electric system(s)	1,500 V DC
Current collection method	overhead catenary
Track gauge	1,067 mm (3 ft 6 in)

Fleet

As of 1 April 2017, the fleet consists of eight ten-car sets and eight eight-car (20050 series) sets, based at Kotesashi, Minami-Iriso, Musashigaoka, and Tamagawa-Josui depots for use on Seibu Shinjuku Line and Seibu Ikebukuro Line services.[2]

Formations

8-car sets

The eight-car sets (20151 to 20158) are formed as shown below with four motored (M) cars and four unpowered trailer (T) cars, and car 8 at the Shinjuku/Ikebukuro end.[2]

Car No.	1	2	3	4	5	6	7	8
Designation	Tc1	M1	M2	T1	T3	M5	M6	Tc2
Numbering	2015x	2025x	2035x	2045x	2075x	2085x	2095x	2005x

The M1 and M5 cars are each equipped with one single-arm pantograph.[2]

10-car sets

The eight ten-car sets (20101 to 20108) are formed as shown below with five motored (M) cars and five unpowered trailer (T) cars, and car 10 at the Shinjuku/Ikebukuro end.[2]

Car No.	1	2	3	4	5	6	7	8	9	10
Designation	Tc1	M1	M2	T1	M3	T2	T3	M5	M6	Tc2
Numbering	2010x	2020x	2030x	2040x	2050x	2060x	2070x	2080x	2090x	2000x

The M1, M3, and M5 cars are each equipped with one single-arm pantograph.[2]

Interior

Seating consists of sculpted longitudinal bench seating throughout, with an individual seat width of 460 mm (18 in) per person.[1] Wheelchair spaces are provided in the two outermost cars at each end.[2] Priority seats are provided at the end of each car.[2] Scrolling LED passenger information displays are provided above the doorways.[1]

• 
  The interior of set 20101 in February 2014
• 
  The interior of set 20106 in February 2014
• 
  A wheelchair space in set 20101 in February 2014
• 
  Priority seating at the end of a car in February 2014

History

The first train was built in 1999, undergoing test running before entering revenue service in 2000.[1]

In August 2015, set 20101 was modified with full-colour LED destination indicators replacing the original three-colour LED type.[3]

Livery variations

Galaxy Express 999

From 8 October 2016, eight-car set 20158 operated in a special Galaxy Express 999 vinyl wrapping livery.[4] It is scheduled to operate in this livery until March 2019.[4]

• 
  Set 20158 in Galaxy Express 999 livery (20058 end) in October 2016
• 
  Set 20158 in Galaxy Express 999 livery (20158 end) in October 2016

L-train

From 15 January 2018, two ten-car sets, 20104 and 20105, are scheduled to operate in a special "L-train" livery consisting of the Saitama Seibu Lions baseball team colour of dark blue with Seibu Lions logos.[5]

References

1. 私鉄車両年鑑2013 [Japan Private Railways Annual 2013] (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. 20 March 2013. p. 204. ISBN 978-4-86320-693-9.
2. 私鉄車両編成表 2017 [Private Railway Rolling Stock Formations - 2017] (in Japanese). Japan: Kotsu Shimbunsha. 25 July 2017. p. 49–51. ISBN 978-4-330-81317-2.
3. 西武20000系の行先表示がフルカラーLEDに [Seibu 20000 series destination indicator changed to full-colour LED type]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 28 August 2015. Retrieved 28 August 2015.
4. 西武鉄道で新「銀河鉄道999デザイン電車」の運転開始 [Seibu operates new "Galaxy Express 999 design train"]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 9 October 2016. Archived from the original on 9 October 2016. Retrieved 9 October 2016.
5. 西武鉄道　三代目"L-train"が運行を開始 [Third-generation Seibu "L-trains" to run]. Tetsudo Hobidas (in Japanese). Japan: Neko Publishing Co. Ltd. 12 January 2018. Archived from the original on 12 January 2018. Retrieved 12 January 2018.

External links

• Seibu 20000 series train information (in Japanese)