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
OperatorsJR East
DepotsNiigata
Specifications
Car body constructionStainless steel
Car length19.57 m (64 ft 2 in) (end cars)
19.5 m (64 ft)(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 (68.4 mph)
Traction systemVariable frequency (IGBT)
Acceleration2.0 km/(h⋅s) (1.2 mph/s)
Deceleration3.6 km/(h⋅s) (2.2 mph/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)

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.

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 (68.4 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) 37.2
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) 140/50154/60133/46
  • 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, 1 cm (0.39 in) wider than for the earlier E127 series trains, and the seating pitch for transverse seating bays is 540 mm (1 ft 9 in), approximately 11 cm (4.3 in) 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]

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.Date delivered
A117 October 2014
A2
A3
A423 October 2014
A57 November 2014
A621 November 2014
A78 December 2014
A822 December 2014
A915 January 2015
A1028 January 2015
A1127 February 2015
A12
A1320 April 2015
A14
A1521 May 2015
A16
A1718 June 2015
A18
A1916 July 2015
A20
A2120 August 2015
A22
A2315 September 2015
A24
A2516 October 2015
A26
A2711 November 2015
A28
A292 December 2015
A301 February 2016
A3111 December 2017[8]
A3226 December 2017[8]
A33 February 2022[9]
A34 2022[10]

4-car sets

Set No.Date delivered
B128 January 2016
B229 January 2016
B31 February 2016
B45 February 2016
B515 February 2016
B619 February 2016
B726 February 2016
B84 March 2016
B910 March 2016
B1017 March 2016
B1124 March 2016
B1231 March 2016
B139 June 2016
B1421 June 2016
B151 July 2016
B1613 July 2016
B1727 July 2016
B185 August 2016
B1922 August 2016
B201 September 2016
B2113 September 2016
B2226 September 2016
B2327 January 2017
B246 February 2017
B2514 February 2017
B262018
B272022[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]

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 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. Archived from the original on 3 July 2020. Retrieved 2 December 2014.
  3. 1 2 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. Archived (PDF) from the original on 6 October 2014. 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]. The Asahi Shimbun (in Japanese). Japan. Archived from the original on 23 September 2015. 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. Archived from the original on 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. Archived from the original on 9 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. 1 2 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. Archived from the original on 9 March 2022. Retrieved 9 March 2022.
  10. 1 2 "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. Archived from the original on 9 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. Archived from the original on 6 July 2020. Retrieved 6 July 2020.
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