Tobu 10000 series

The Tobu 10000 series (東武10000系, Tōbu 10000-kei) is a DC electric multiple unit (EMU) commuter train type operated in Japan by the private railway operator Tobu Railway since 1983.

Tobu 10000 series
Tojo Line 10000 series 10-car set 11006, October 2021
ManufacturerAlna Kōki, Fuji Heavy Industries, Tokyu Car Corporation
Replaced7300 series, 3000 series
Constructed1983–1995
Entered service1983
Refurbished2007–
Number built486 vehicles
Formation2/4/6/8/10 cars per trainset
Operator(s)Tobu Railway
Depot(s)Kasukabe, Nanakodai, Shinrinkōen, Shin-Tochigi
Line(s) served
Specifications
Car body constructionStainless steel
Car length20,000 mm (65 ft 7 in)
Width2,850 mm (9 ft 4 in)
Doors4 pairs per side
Maximum speed110 km/h (68 mph)
Power output140 kW (190 hp) × 4 per motor car
Acceleration2.5 km/(h⋅s) (1.6 mph/s)
Deceleration4.5 km/(h⋅s) (2.8 mph/s) (emergency brake)
Electric system(s)1,500 V DC (overhead lines)
Current collector(s)Pantograph
Track gauge1,067 mm (3 ft 6 in)

First entering service in 1983 on the Tobu Tojo Line (1984 on the Tobu Isesaki Line), production continued through to 1995, with a total of 486 vehicles built.[1]

Variants

The type was broadly divided into four sub-series, as follows.[2]

  • 10000 series
  • 10030 series
  • 10050 series (minor variant of 10030 series)
  • 10080 series

10000 series

These were built to replace the remaining 7300 series trains on the Tojo Line, with the first trains entering service from 22 December 1983.[1] 10000 series sets were also introduced on the Isesaki Line from 20 March 1984.[1]

The corrugated stainless steel body design was based on the prototype 9000 series set built in 1981, while the front end design was derived from the earlier 8000 series EMUs. The seat covers were initially brown ("Colorado orange"), but later changed to the standard light green colour used on sets built from 1986.[1]

Sets are configured as 2-, 6-, 8-, and 10-car sets. The four 10-car sets (11003 to 11006) used on the Tojo Line were formed in 1989 by adding two newly built intermediate cars to 8-car sets 11803 to 11806.[1]

Two two-car sets (11201 and 11202) were transferred to the Tojo Line in May 2008 to augment the two remaining eight-car sets following the decision to run only ten-car formations on the Tojo Line from the start of the June 2008 timetable.

10000 series 2-car set 11201 at the rear of a 10-car formation on the Tobu Tojo Line in September 2013
10000 series 6-car set 11606 in June 2008
Refurbished 10000 series 6-car set 11601 in January 2008
Year built Set numbers External features Internal features
1983 11201
11601-2
11801-2		    
1984 11202
11603-4		    
1985 11203-4
11803-5		 LEDs used for bodyside indicator lamps.  
1986 11605
11806		 Painted running numbers instead of numberplates. Internal doors fitted.
1986 11606-9 Brown floor covering (instead of green), light green seat covers.
1989 cars 15003-6
16003-6		    

Total number of vehicles built: 118

10-car sets
Car No. 12345678910
Designation Tc2M2M1T2TM1M4T1M2M1Tc1
Numbering 10000190001800017000160001500014000130001200011000

The M1 and M4 cars are each fitted with two scissors type pantographs.[3]

8-car sets
Designation Tc1M1M2T1T2M1M2Tc2
Numbering 1180012800138001480015800168001780018800

The M1 cars are each fitted with two scissors type pantographs.[3]

6-car sets
Designation Tc1M1M2T3M3Tc2
Numbering 116001260013600146001560016600

The M1 and M3 cars were originally fitted with two scissors type pantographs, but these were replaced by two single-arm pantographs on the M1 cars and one single-arm pantograph on the M3 cars after refurbishment.[3]

2-car sets
Designation McTc3
Numbering 1120012200

The Mc cars are fitted with two scissors type pantographs.[3]

Refurbishment

From 2007, Isesaki Line 10000 series sets began receiving life extension refurbishment similar to that applied to the 9000 series EMUs. This involved new interiors with sculpted seats and dark blue moquette, and the addition of front-end skirts, single-arm pantographs, high-intensity headlights, and full-colour LED destination indicators.[2]

  • Interior of refurbished set in October 2021
    Interior of refurbished set in October 2021

10030 series
10030 series formation headed by 4-car set 11431 on the Tobu Isesaki Line, with original style coupler and jumper cables in 1988
10030 series 10-car formation headed by set 11634 in December 2019
Refurbished 10-car formation led by set 11637 on the Tobu Tojo Line in October 2017
A refurbished 6-car set on the Tobu Noda Line in June 2013

The 10030 subseries featured a new lightweight stainless steel body design, with a reduced number of bodyside corrugations and dull finish. A new bolsterless bogie was used. Internally, seat width was increased from 425 mm to 450 mm.[1]

Two ten-car sets (11031 and 11032) were introduced in 1989 on the Tojo Line, the first time fixed ten-car sets had been used on Tobu overground trains.[1]

Year built Set numbers External features Internal features
1987 11431-2    
1988 11433-4
11631-3		    
1989 11435-8
11634
11031-2		 Aluminium honeycomb construction used for doors  
1990 11439-43
11635-9		 Radio receiver fitted.  
1991 11444-48
11640-4		   Grab handles increased and changed from circular to triangular.

Total number of vehicles built: 176

10-car sets
Car No. 12345678910
Designation Tc2M2M1T2TM1M4T1M2M1Tc1
Numbering 10030190301803017030160301503014030130301203011030

The M1 and M4 cars are each fitted with two scissors type pantographs.[4]

Some former 4- and 6-car sets have been modified as permanently coupled 10-car sets for use on the Tojo Line.[4]

Car No. 12345678910
Designation Tc2M2M1TTM3T3M2M1Tc1
Numbering 14430134301243011430166301563014630136301263011630

The M1 and M3 cars are each fitted with two scissors type pantographs.[4]

6-car sets
Car No. 5678910
Designation Tc2M3T3M2M1Tc1
Numbering 166301563014630136301263011630

The M1 and M3 cars are each fitted with two scissors type pantographs.[4]

4-car sets
Car No. 1234
Designation Tc2M2M1Tc1
Numbering 14430134301243011430

The M1 cars are fitted with two scissors type pantographs.[4]

Interior
  • Interior view of a Tojo Line 11030 series set in February 2012
    Interior view of a Tojo Line 11030 series set in February 2012
  • Bench seating in a Tojo Line 11030 series set in February 2012
    Bench seating in a Tojo Line 11030 series set in February 2012
  • Priority seating in a Tojo Line 11030 series set in February 2012
    Priority seating in a Tojo Line 11030 series set in February 2012

Refurbishment
Permanently coupled former driving cabs in a refurbished Tojo Line 4+6-car formation in February 2012
Full-colour LED destination indicators on a refurbished Tojo Line 10030 series set in February 2012

Isesaki Line 10030 series sets began receiving life extension refurbishment from 2011, with the first set returned to service in March 2011. Refurbishment involves new interiors, and the addition of front-end skirts, high-intensity headlights, and full-colour LED destination indicators.[5]

The first refurbished pair of Tojo Line 10030 series sets, 6-car set 11641 and 4-car set 11445, entered service on 1 February 2012.[6] The refurbished Tojo Line 4- and 6-car sets are formed as permanently coupled 10-car sets with the equipment removed from the former inner driving cabs (former KuHa 11400 and KuHa 16600 cars becoming SaHa 11400 and SaHa 16600).[7]

  • Interior view of a refurbished Tojo Line 10030 series set in February 2012
    Interior view of a refurbished Tojo Line 10030 series set in February 2012
  • New sculpted bench seating in a refurbished Tojo Line 10030 series set in February 2012
    New sculpted bench seating in a refurbished Tojo Line 10030 series set in February 2012
  • Priority seating in a refurbished Tojo Line 10030 series set in February 2012
    Priority seating in a refurbished Tojo Line 10030 series set in February 2012
  • Wheelchair space in a refurbished Tojo Line 10030 series set in February 2012
    Wheelchair space in a refurbished Tojo Line 10030 series set in February 2012
  • LCD passenger information display inside refurbished Tojo Line 10030 series set 11640 in February 2014
    LCD passenger information display inside refurbished Tojo Line 10030 series set 11640 in February 2014

10050 series
10050 series 4-car set 11455 on the Tobu Ogose Line in July 2004
10050 series 6-car set 11658 in October 2007
10050 series 6-car set 11652 in new Noda Line colour scheme in May 2013

This sub-series was built from 1992 to replace non-air-conditioned 3000 series trains. The design incorporated a number of further minor changes to the previous 10030 series design.[1]

Year built Set numbers External features Internal features
1992 11251-5
11451-2
11651-7		   Inclusion of wheelchair spaces.
1993 11453-4
11658-60		    
1994 11256-62
11455-6
11661-4		    
1995 11263-4
11457-8
11665		 Ventilator units removed. Single-arm pantograph (Set 11267 only)  

Total number of vehicles built: 188

6-car sets
Designation Tc1M1M2T3M3Tc2
Numbering 116501265013650146501565016650

The M1 and M3 cars are each fitted with two scissors type pantographs.[3]

4-car sets
Designation Tc1M1M2Tc2
Numbering 11450124501345014450

The M1 cars are fitted with two scissors type pantographs.[3]

2-car sets
Designation McTc3
Numbering 1125012250

The Mc cars are fitted with two scissors type pantographs (single-arm type on set 11267).[3]

10080 series

Identical in outward appearance to other 10030 series sets, one 4-car set (11480) was built in 1988 to test VVVF control equipment, which was subsequently used on the 100 series Spacia EMUs and later commuter EMU types.[1] Car 11480 of this set was experimentally repainted at Kasukabe depot for evaluation with blue/white/light blue stripes to match the colour scheme applied to the 8000 series sets, but this colour scheme was ultimately not used.[1]

Set 11480 was refurbished in 2015, returning to service on 15 August 2015.[8]

Formation
Designation Tc1M1M2Tc2
Numbering 11480124801348014480

The M1 cars are fitted with two scissors type pantographs.[3]

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. 21–26.
  2. 私鉄車両年鑑 2012: 大手15社営業用車両完全網羅 私鉄車両年鑑2012 [Japan Private Railways Annual 2012]. Tokyo, Japan: Ikaros Publications Ltd. February 2012. p. 158. ISBN 978-4-86320-549-9.
  3. 私鉄車両編成表 私鉄車両編成表 2010 [Private Railway Rolling Stock Formations - 2010]. Japan: Kotsu Shimbunsha. August 2010. pp. 36–40. ISBN 978-4-330-15310-0.
  4. 私鉄車両編成表 2012 [Private Railway Rolling Stock Formations - 2012]. Japan: Kotsu Shimbunsha. July 2012. p. 48. ISBN 978-4-330-29911-2.
  5. 東武10030系リニューアル車が営業運転を開始 [Tobu 10030 series refurbished set enter service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 8 March 2011. Retrieved 8 March 2011.
  6. 東武東上線で10030系リニューアル車が営業運転を開始 [Refurbished 10030 series sets enter service on Tobu Tojo Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 2 February 2012. Retrieved 2 February 2012.
  7. 私鉄車両のうごき [Private Rail Rolling Stock Changes]. Tetsudō Daiya Jōhō Magazine. Vol. 41, no. 339. Japan: Kotsu Shimbun. 2012. p. 125.
  8. 東武鉄道10080系11480編成がリニューアルされる [Tobu 10080 series set 11480 refurbished]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 16 August 2015. Retrieved 16 August 2015.
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