E129 series

The E129 series (E129系) is a DC electric multiple unit (EMU) train type operated by East Japan Railway Company (JR East) on local services in the Niigata area since 6 December 2014.

E129 series
Set B5 in February 2017
ManufacturerJ-TREC
Built atNiitsu
Family namesustina
Replaced115 series
Constructed2014–2018, 2022–present
Entered service6 December 2014
Number built176 vehicles (62 sets)
Number in service172 vehicles (61 sets) (as of 7 March 2022)
Formation2/4 cars per trainset
Fleet numbersA1–A34, B1–B27
Operator(s)JR East
Depot(s)Niigata
Specifications
Car body constructionStainless steel
Car length19,570 mm (64 ft 2 in) (end cars)
19,500 mm (64 ft 0 in) (intermediate cars)
Width2,950 mm (9 ft 8 in)
Height3,620 mm (11 ft 11 in)
Floor height1,130 mm (3 ft 8 in)
Doors3 pairs per side
Maximum speed110 km/h (70 mph)
Traction systemVariable frequency (IGBT)
Acceleration2.0 km/h/s
Deceleration3.6 km/h/s
Electric system(s)1,500 V DC
Current collector(s)Overhead catenary
BogiesDT71 (motored)
TR255 (trailer)
Safety system(s)ATS-P, ATS-Ps
Multiple workingE127 series, under emergency conditions
Track gauge1,067 mm (3 ft 6 in)

Design

Built at the J-TREC factory in Niitsu, Niigata, the stainless steel body and "universal design" interior is derived from the E233 series commuter EMU.[1] Externally, trains are finished in a livery with "golden yellow" (黄金イエロー) and "toki pink" (朱鷺ピンク) stripes.[1] The trains have a maximum speed of 110 km/h (70 mph).[1]

Operations
Operations in Niigata area

E129 series trains operate on the following lines,[2] completely replacing older 115 series sets by around 2017.[3][4]

The E129 series trains can operated in multiple, to form 2+2, 2+4, and 2+2+2 formations, but do not operate in multiple with E127 series trains except in emergencies.[1]

Fleet

As of 8 March 2022, the E129 series fleet consists of 34 two-car sets (68 vehicles) numbered A1 to A34 and 27 four-car sets (108 vehicles) numbered B1 to B27.> All sets are based at Niigata Depot.[1]

Formations

2-car sets A1-A32

The two-car sets, A1 to A32, consist of two motored cars, each with one powered bogie, and are formed as shown below.[1]

Designation Mc-100Mc'-100
Numbering KuMoHa E129-100KuMoHa E128-100
Weight (t) 37.237.2
Capacity (total/seated) 140/50133/46
  • The KuMoHa E129-100 car is fitted with a PS33G single-arm pantograph (cars KuMoHa E129-123 to KuMoHa E129-130 have two pantographs, and weigh 37.4 t).[1]
  • The KuMoHa E128-100 car has a universal access toilet.[1]

4-car sets B1-B26

The four-car sets, B1 to B26, consist of four motored cars, each with one powered bogie, and are formed as shown below.[1]

Designation Mc-0M'-0M-0Mc'-0
Numbering KuMoHa E129MoHa E128MoHa E129KuMoHa E128
Weight (t) 37.231.632.737.0
Capacity (total/seated) 140/50154/60154/60133/46
  • The KuMoHa E129 and MoHa E129 cars are each fitted with one PS33G single-arm pantograph.[1]
  • The KuMoHa E128 car has a universal access toilet.[1]

Interior

Passenger accommodation consists of a mix of transverse seating bays and longitudinal bench seating.[1] LED lighting is used throughout.[1] Longitudinal seats have a width of 460 mm (1 ft 6 in) per person, 10 mm wider than for the earlier E127 series trains, and the seating pitch for transverse seating bays is 540 mm (1 ft 9 in), approximately 110 mm wider than E233 series trains.[1] Floor height is 1,130 mm (3 ft 8 in), the same as for E127 series trains, and lower than the 1,225 mm (4 ft 0.2 in) floor height of 115 series trains.[1]

  • Interior view
  • Longitudinal bench seating
  • A transverse seating bay
  • Driver's cab

History

Initial details of the new trains were announced by JR East in July 2013.[3] The first two two-car sets, A1 and A2, were delivered on 8 October 2014, with test-running commencing the same day.[5]

The first trains entered revenue service on 6 December 2014.[6]

Fleet details

As of 31 December 2017, the fleet is as follows.[7]

2-car sets
Set No.ManufacturerDate delivered
A1J-TREC, Niitsu17 October 2014
A2J-TREC, Niitsu17 October 2014
A3J-TREC, Niitsu17 October 2014
A4J-TREC, Niitsu23 October 2014
A5J-TREC, Niitsu7 November 2014
A6J-TREC, Niitsu21 November 2014
A7J-TREC, Niitsu8 December 2014
A8J-TREC, Niitsu22 December 2014
A9J-TREC, Niitsu15 January 2015
A10J-TREC, Niitsu28 January 2015
A11J-TREC, Niitsu27 February 2015
A12J-TREC, Niitsu27 February 2015
A13J-TREC, Niitsu20 April 2015
A14J-TREC, Niitsu20 April 2015
A15J-TREC, Niitsu21 May 2015
A16J-TREC, Niitsu21 May 2015
A17J-TREC, Niitsu18 June 2015
A18J-TREC, Niitsu18 June 2015
A19J-TREC, Niitsu16 July 2015
A20J-TREC, Niitsu16 July 2015
A21J-TREC, Niitsu20 August 2015
A22J-TREC, Niitsu20 August 2015
A23J-TREC, Niitsu15 September 2015
A24J-TREC, Niitsu15 September 2015
A25J-TREC, Niitsu16 October 2015
A26J-TREC, Niitsu16 October 2015
A27J-TREC, Niitsu11 November 2015
A28J-TREC, Niitsu11 November 2015
A29J-TREC, Niitsu2 December 2015
A30J-TREC, Niitsu1 February 2016
A31J-TREC, Niitsu11 December 2017[8]
A32J-TREC, Niitsu26 December 2017[8]
A33 J-TREC, Niitsu February 2022[9]
A34 J-TREC, Niitsu 2022[10]

4-car sets
Set No.ManufacturerDate delivered
B1J-TREC, Niitsu28 January 2016
B2J-TREC, Niitsu29 January 2016
B3J-TREC, Niitsu1 February 2016
B4J-TREC, Niitsu5 February 2016
B5J-TREC, Niitsu15 February 2016
B6J-TREC, Niitsu19 February 2016
B7J-TREC, Niitsu26 February 2016
B8J-TREC, Niitsu4 March 2016
B9J-TREC, Niitsu10 March 2016
B10J-TREC, Niitsu17 March 2016
B11J-TREC, Niitsu24 March 2016
B12J-TREC, Niitsu31 March 2016
B13J-TREC, Niitsu9 June 2016
B14J-TREC, Niitsu21 June 2016
B15J-TREC, Niitsu1 July 2016
B16J-TREC, Niitsu13 July 2016
B17J-TREC, Niitsu27 July 2016
B18J-TREC, Niitsu5 August 2016
B19J-TREC, Niitsu22 August 2016
B20J-TREC, Niitsu1 September 2016
B21J-TREC, Niitsu13 September 2016
B22J-TREC, Niitsu26 September 2016
B23J-TREC, Niitsu27 January 2017
B24J-TREC, Niitsu6 February 2017
B25J-TREC, Niitsu14 February 2017
B26J-TREC, Niitsu2018
B27J-TREC, Niitsu2022[10]

Derivatives

Delivery of three two-car SR1 series (SR1系) sets from J-TREC in Niitsu began in March 2020. They are derived from the E129 series and are scheduled to replace the 115 series currently operated by Shinano Railway.[11] These trains were put into service of rapid trains operated by Shinano Railway starting from 4 July 2020.[12]

  • SR1 series set S101 in February 2022
  • SR1 series set S204 in February 2022

References
  1. Mizutani, Keisuke (January 2015). E129系一般形直流電車 [E129 series DC EMU]. Japan Railfan Magazine (in Japanese). Vol. 55, no. 645. Japan: Koyusha Co., Ltd. pp. 60–66.
  2. JR東日本E129系、新型車両12/6デビュー [New JR East E129 series trains to debut on 6 December]. Mynavi News (in Japanese). Japan: Mynavi Corporation. 1 December 2014. Retrieved 2 December 2014.
  3. 通勤形車両の新造計画について [New commuter train manufacture plans] (PDF) (in Japanese). East Japan Railway Company. 2 July 2013. Retrieved 21 November 2014.
  4. Miki, Kazuya (14 August 2013). 「新潟産」車両、地元に投入 ＪＲ東日本のＥ１２９系 ["Niigata-built" trains to be introduced locally - JR East E129 series]. Asahi Shimbun Digital (in Japanese). Japan: The Asahi Shimbun Limited. Retrieved 29 November 2013.
  5. E129系が試運転 [E129 series is test run]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 9 October 2014. Retrieved 9 October 2014.
  6. E129系が営業運転を開始 [E129 series enters revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 7 December 2014. Retrieved 9 December 2014.
  7. JR電車編成表 2018冬 [JR EMU Formations - Winter 2018] (in Japanese). Japan: Kotsu Shimbunsha. 15 November 2017. pp. 38–39. ISBN 978-4-330-84117-5.
  8. JR車両のうごき [JR rolling stock changes]. Tetsudo Daiya Joho Magazine (in Japanese). Vol. 47, no. 407. Japan: Kotsu Shimbun. March 2018. p. 102.
  9. "E129系増備車A33編成が弥彦線で運転開始" [E129 series set A33 begins operation on the Yahiko Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 7 March 2022. Retrieved 9 March 2022.
  10. "E129系B27編成が登場" [E129 series set B27 on test]. Japan Railfan Magazine Online (in Japanese). Koyusha Co., Ltd. 2 March 2022. Retrieved 9 March 2022.
  11. "しなの鉄道SR1系が登場" [Shinano Railway SR1 series appeared]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 27 March 2020. Archived from the original on 4 April 2020. Retrieved 4 April 2020.
  12. "しなの鉄道 SR1系 営業運転（2020年7月4日～）". 鉄道コム. 19 June 2020. Retrieved 6 July 2020.
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