Tobu 30000 series

The Tobu 30000 series (東武30000系, Tōbu 30000-kei) is a DC electric multiple unit (EMU) commuter train type operated by the private railway operator Tobu Railway in Japan since 1997.[1] Initially formed as six-car and four-car sets, sets are mostly formed as permanently coupled ten-car formations since 2011.

Tobu 30000 series
30000 series 6-car set 31606 leading a 10-car train in July 2017
ManufacturerAlna Kōki, Tokyu Car Corporation, Fuji Heavy Industries
Constructed1996–2003
Entered service1997
Number built150 vehicles (30 sets)
Number in service150 vehicles (30 sets)
Formation10/6/4 cars per trainset
Operator(s)Tobu Railway
Depot(s)Minami-Kurihashi, Shinrinkōen
Line(s) servedTobu Skytree Line, Tobu Isesaki Line, Tobu Nikko Line, Tobu Tojo Line, Tokyo Metro Hanzomon Line, Tokyu Den-en-toshi Line
Specifications
Car body constructionStainless steel
Car length20 m (65 ft 7 in)
Doors4 pairs per side
Electric system(s)1,500 V DC
Current collection methodOverhead line
Track gauge1,067 mm (3 ft 6 in)

Formations

As of 1 April 2015, the fleet consists of two six-car and two four-car sets based at Minami-Kurihashi and Kasukabe depots for Tobu Skytree Line and Tobu Nikko Line services, and 13 permanently coupled 6+4-car sets based at Shinrinkoen Depot for Tobu Tojo Line services.[2]

10-car Tobu Tojo Line sets
Car No. 12345678910
Designation Tc2M2AM1ATTM3T1M2M1Tc1
Numbering 34400334003240031400366003560034600336003260031600
  • The M1 and M1A cars are each fitted with two single-arm pantographs, and the M3 cars are fitted with one.[2]
  • Cars 2, 3, 6, and 9 have wheelchair spaces.[2]

6-car sets
Six-car set 31613 on a Nikko Line service in May 2012
Designation Tc1M1M2T1M3Tc2
Numbering 316003260033600346003560036600

The M1 cars are fitted with two single-arm pantographs, and the M3 cars are fitted with one.[2]

4-car sets
Four-car set 31407 on a Nikko Line service in November 2013
Designation Tc1M1AM2ATc2
Numbering 31400324003340034400

The M1A cars are fitted with two single-arm pantographs.[2]

Bogies
  • SS038 trailer bogie
  • SS138 motored bogie

Interior

The first three sets delivered, sets 31601, 31401, and 31402, had flat panels on the seat ends and no centre stanchions. Set 31403 was fitted with contoured seats, and these were fitted on all subsequent sets delivered. Sets 31607 and 31407 onward had higher light blue panels on the seat ends.[1]

  • Interior view showing seating style in early sets (car 33405)
  • Interior view showing seating style in later sets (car 32612), November 2015
  • Priority seating in car 32612, November 2015
  • A wheelchair space in car 32612, November 2015

History
A six-car set being delivered in July 2001

The first set, 31601, was delivered in November 1996, with the first trains entering service on 25 March 1997.[1] Initially used primarily on Tobu Isesaki Line services, they were introduced on through-running services to and from the Tokyu Den-en-toshi Line via the Tokyo Metro Hanzomon Line from March 2003.[1]

Transfer to Tojo Line
Permanently coupled sets 31401 and 31601 undergoing driver training on the Tojo Line, April 2011
Permanently coupled intermediate driving cabs of cars 36601 and 31401, April 2011

From January 2011, pairs of four- and six-car sets were transferred to the Tobu Tojo Line, commencing with sets 31601 and 31401.[3] These sets entered revenue service from 13 June 2011 following modifications at Shinrinkōen Depot to form a permanently coupled 10-car set with control equipment and skirts removed from the two intermediate driving cabs.[4]

Fixed 10-car set conversion dates
Set No.Official modification date
31601+3140123 March 2011[5]
31602+3140214 January 2015[2]
31603+314033 December 2012[6]
31604+3140422 March 2013[6]
31605+314055 July 2012[6]
31606+3140623 January 2020
31607+3140723 October 2014[2]
31608+3140826 June 2013[7]
31609+31409
31610+314103 October 2012[6]
31611+3141118 November 2011[5]
31612+314128 July 2014[2]
31613+3141327 January 2014[7]
31614+314142 September 2014[2]
31615+314158 October 2013[7]

References
  1. ２００６東武鉄道通勤車両カタログ [2006 Tobu Railway Commuter Rolling Stock Catalogue]. Tetsudō Daiya Jōhō Magazine. Vol. 35 no. 263. Japan: Kotsu Shimbun. March 2006. pp. 13–15.
  2. 私鉄車両編成表 2015 [Private Railway Rolling Stock Formations - 2015] (in Japanese). Japan: Kotsu Shimbunsha. 23 July 2015. pp. 40–42, 204. ISBN 978-4-330-58415-7.
  3. 東武30000系31601編成+31401編成が森林公園検修区へ [Tobu 30000 series sets 31601 and 31401 move to Shinrinkōen Depot]. Japan Railfan Magazine Online (in Japanese). Koyusha Co., Ltd. 27 January 2011. Retrieved 28 January 2011.
  4. 東武鉄道30000系　東上線で運用開始 [Tobu 30000 series enters service on Tojo Line]. Tetsudō Daiya Jōhō Magazine. Vol. 40 no. 329. Japan: Kōtsū Shimbun. September 2011. p. 73.
  5. 私鉄車両編成表 2012 [Private Railway Rolling Stock Formations - 2012]. Japan: Kotsu Shimbunsha. July 2012. p. 199. ISBN 978-4-330-29911-2.
  6. 私鉄車両編成表 2013 [Private Railway Rolling Stock Formations - 2013]. Japan: Kotsu Shimbunsha. 30 July 2013. p. 205. ISBN 978-4-330-39313-1.
  7. 私鉄車両編成表 2014 [Private Railway Rolling Stock Formations - 2014]. Japan: Kotsu Shimbunsha. 24 July 2014. p. 199. ISBN 978-4-330-48414-3.

Further reading
  • 新車ガイド 東武鉄道30000系 [New Rolling Stock Guide: Tobu 30000 series]. Japan Railfan Magazine. No. 430. Japan: Koyusha Co., Ltd. February 1997.
  • 東武鉄道30000系 [Tobu 30000 series]. Railway Journal (364). March 1997.
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