Sotetsu 9000 series

Sotetsu 9000 series
9000 series set 9703 in April 2014
In service	1993–Present
Manufacturer	Tokyu Car Corporation
Refurbishment	2016-
Number built	70 vehicles (7 sets)
Number in service	70 vehicles (7 sets)
Formation	10 cars per set
Fleet numbers	9701-9707
Operator(s)	Sotetsu
Depot(s)	Kashiwadai Depot
Specifications
Car body construction	Aluminium
Car length	20,100 mm (65 ft 11 in) (end cars)[1] 20,000 mm (65 ft 7 in) (intermediate cars)[1]
Width	2,970 mm (9 ft 9 in)[1]
Doors	4 pairs per side
Maximum speed	100 km/h (60 mph)
Acceleration	3.0 km/h/s
Electric system(s)	1,500 V DC
Bogies	TS-907 (motored), TS-908 (trailer)[1]
Braking system(s)	Brake by wire
Safety system(s)	Sōtetsu ATS Dead man's switch
Track gauge	1,067 mm (3 ft 6 in)

The Sotetsu 9000 series (相鉄9000系) is a DC electric multiple unit (EMU) type operated by the private railway operator Sagami Railway (Sotetsu) on commuter services in Kanagawa Prefecture, Japan, since 1993.

Formations

As of 1 April 2015, the fleet consists of seven ten-car sets, numbered 9701 to 9707, formed as shown below with six motored ("M") cars and four non-powered trailer ("T") cars, and car 1 at the Yokohama end.^[2]

Unrefurbished sets

The unrefurbished sets are formed as follows.^[1]

Car No.	1	2	3	4	5	6	7	8	9	10
Designation	Tc2	M1	M2	T2	MS1	M2	T1	MS1	M2	Tc1
Numbering	9700	9100	9200	9600	9100	9200	9600	9100	9200	9500
Capacity (total/seated)	142/45	153/54	153/54	153/54	154/60	153/54	153/54	154/60	153/54	142/45
Weight (t)	28.6	37.6	38.0	26.2	37.8	38.0	26.6	37.8	38.0	28.5

The motored cars each have one pantograph.^[2]

Refurbished sets

The refurbished sets are formed as follows.^[1]

Car No.	1	2	3	4	5	6	7	8	9	10
Designation	Tc2	M1	M2	T2	MS1	M2	T1	MS1	M2	Tc1
Numbering	9700	9100	9200	9600	9100	9200	9600	9100	9200	9500
Capacity (total/seated)	140/45	151/54	151/54	151/54	150/60	151/54	151/54	150/60	151/54	140/45
Weight (t)	28.8	38.1	38.3	26.7	38.3	38.3	27.1	38.3	38.3	28.9

The motored cars each have one pantograph.^[1]

Interior

Passenger accommodation consists mostly of longitudinal bench seating, but cars 5 and 8 include transverse seating bays.^[2]

History

The trains were built by Tokyu Car Corporation in Yokohama between 1993 and 2001, with the first trains entering service in 1993. A total of 70 cars were built.^[3]

From 2011, the fleet was gradually repainted into the new corporate livery, and some sets received single-arm pantographs in place of the original lozenge type.^[2]

• 

  Set 9706 in original livery in October 2008

Refurbishment

From 2016, the 9000 series EMU fleet is scheduled to undergo a programme of refurbishment. This involves new interiors, including leather seat covers on the transverse seating bays, interior lighting that can be adjusted to suit day and night conditions, and a new exterior livery of "Yokohama navy blue".^[4]

• 

  Refurbished set 9703 in April 2016

• 

  The interior of refurbished set 9703 in April 2016

• 

  Leather-covered transverse seating in set 9703 in April 2016

References

1. Sekine, Masato (June 2016). 相模鉄道9000系 リニュアル車 [Sagami Railway 9000 series refurbished trainset]. Japan Railfan Magazine (in Japanese). Vol. 56 no. 662 (Japan: Koyusha Co., Ltd.). p. 83-86.
2. 私鉄車両編成表 2015 [Private Railway Rolling Stock Formations - 2015] (in Japanese). Japan: Kotsu Shimbunsha. 23 July 2015. p. 80-81. ISBN 978-4-330-58415-7.
3. 私鉄車両年鑑2013 [Japan Private Railways Annual 2013] (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. 20 March 2013. p. 211. ISBN 978-4-86320-693-9.
4. 相模鉄道9000系が新色に! 相鉄グループが車両・駅舎・制服のデザイン統一へ [Sotetsu 9000 series to be reliveried! Sotetsu Group to standardize design of trains, stations, and uniforms]. Mynavi News (in Japanese). Japan: Mynavi Corporation. 6 November 2015. Retrieved 7 November 2015.