Tobu 100 series

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Tobu 100 series
A Tobu 100 series EMU in original livery in November 2007
Manufacturer Alna Kōki, Tokyu Car Corporation
Replaced 1720 series
Constructed 1989–1991
Entered service June 1990
Refurbishment 2011–2012
Number built 54 vehicles (9 sets)
Number in service 54 vehicles (9 sets)
Formation 6 cars per trainset
Operator(s) Tobu Railway
Depot(s) Kasukabe
Line(s) served Tobu Skytree Line, Tobu Nikko Line, Tobu Kinugawa Line, Tohoku Main Line
Car body construction Aluminium[1]
Car length 20 m (65 ft 7 in)
Doors Sliding plug door, one per side
Traction system GTO-VVVF
Electric system(s) 1,500 V DC
Current collection method Overhead line
Safety system(s) Tobu ATS, ATS-P (three sets)
Track gauge 1,067 mm (3 ft 6 in)

The Tobu 100 series (東武100系?, Tōbu 100-kei), branded Spacia (スペーシア?), is a limited express electric multiple unit (EMU) train type operated by the private railway operator Tobu Railway in Japan since 1990. The trains are used on Kegon, Spacia Nikko, Kinu, and Spacia Kinugawa services to Nikkō and Kinugawa-Onsen.[2]


As of 1 April 2012, the fleet consists of nine sets, based at Kasukabe Depot, and formed as follows.[1]

Car No. 1 2 3 4 5 6
Designation Mc2 M4 M3 M2 M1 Mc1
Numbering 100-6 100-5 100-4 100-3 100-2 100-1


Seat pitch is 1,100 mm (43 in). Car 6 contains six 4-seat compartments. These are marked as "Green cars" when operating on JR lines.[3]


The 100 series trains entered service on 1 June 1990 on Kegon and Kinu services from Asakusa in Tokyo to Nikkō and Kinugawa-Onsen, replacing the ageing 1720 series trains operating since 1960. Two sets were delivered in fiscal 1989, two more were delivered in fiscal 1990, and five were delivered in fiscal 1991, bringing the fleet to nine sets.[3]

All cars were made no-smoking from 18 March 1995.[1]

JR inter-running[edit]

Through-running Spacia Nikkō and Spacia Kinugawa services from Shinjuku in Tokyo to Tōbu Nikkō and Kinugawa-Onsen via the JR Tōhoku Main Line commenced on 18 March 2006, and three sets (106 to 108) were modified with JR ATS-P for use on JR East lines.[3]


The fleet underwent a programme of refurbishment from December 2011, ahead of the opening of the Tokyo Skytree in May 2012. Three trains each were repainted into three different colour schemes, with "miyabi" purple, "iki" light blue, and "sunny coral orange", matching the Tokyo Skytree theme colours, and new "Spacia" logos. Internally, the seats feature new moquette, with blue in the open saloons and brown in the compartments.[4] The first refurbished set re-entered service from 29 December 2011.[5]

Set No. Colour scheme Date refurbished Notes
101      "iki" blue 29 June 2012[6]
102      "miyabi" purple 28 March 2012[7]
103      "Nikko Moude Spacia" gold/black 2 March 2012[7] Reliveried from "sunny coral" orange in April 2015
104      "sunny coral" orange 28 September 2012[8]
105      "miyabi" purple 28 December 2011[7]
106      "Nikko Moude Spacia" gold/black 25 July 2012[8] Reliveried from "sunny coral" orange in July 2015
107      "miyabi" purple 31 May 2012[6]
108      "iki" blue 27 April 2012[6]
109      "iki" blue 3 February 2012[7]
Set 106 in "Nikko Moude Spacia" gold and black livery, July 2015

"Nikko Moude Spacia" sets[edit]

Set 103 was repainted in a special gold and black livery and branded "Nikko Moude Spacia" (日光詣スペーシア?) from April 2015.[9] This was followed in July 2015 by set 106, which was similarly reliveried.[10]


  1. ^ a b c 私鉄車両編成表 2012 [Private Railway Rolling Stock Formations - 2012]. Japan: JRR. July 2012. p. 45. ISBN 978-4-330-29911-2. 
  2. ^ 日本と世界の鉄道カタログ [Japan and World Railway Catalogue]. Japan: Seibido Publishing. July 1992. ISBN 4-415-03262-1. 
  3. ^ a b c 2006東武鉄道優等車両カタログ [2006 Tobu Railway Express Rolling Stock Catalogue]. Tetsudō Daiya Jōhō Magazine. Vol. 35 no. 264. Japan: Kotsu Shimbun. April 2006. pp. 18–21. 
  4. ^ 東武鉄道100系"スペーシア"リニュアル車 [Refurbished Tobu 100 series "Spacia" sets]. Tetsudō Daiya Jōhō Magazine. Vol. 41 no. 335. Japan: Kotsu Shimbun. March 2012. p. 70. 
  5. ^ 特急スペーシアをリニューアルします!! [Spacia limited express to be refurbished] (pdf). News Release (in Japanese). Japan: Tobu Railway. 15 December 2011. Retrieved 16 December 2011. 
  6. ^ a b c 私鉄車両のうごき [Private Rail Rolling Stock Changes]. Tetsudō Daiya Jōhō Magazine. Vol. 41 no. 342. Japan: Kōtsū Shimbun. October 2012. p. 124. 
  7. ^ a b c d 私鉄車両のうごき [Private Rail Rolling Stock Changes]. Tetsudō Daiya Jōhō Magazine. Vol. 41 no. 339. Japan: Kōtsū Shimbun. July 2012. p. 125. 
  8. ^ a b 私鉄車両のうごき [Private Rail Rolling Stock Changes]. Tetsudō Daiya Jōhō Magazine. Vol. 42 no. 345. Japan: Kōtsū Shimbun. January 2013. p. 125. 
  9. ^ 東武鉄道100系「日光詣スペーシア」 [Tobu 100 series "Nikko Moude Spacia"]. Japan Railfan Magazine (in Japanese). Vol. 55 no. 651. Japan: Koyusha Co., Ltd. July 2015. p. 109. 
  10. ^ 東武鉄道100系106編成も「日光詣スペーシア」となって出場試運転 [Tobu 100 series set 106 test-run after becoming "Nikko Moude Spacia"]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 17 July 2015. Retrieved 17 July 2015. 

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