Two-car set A5 in December 2014
|Entered service||6 December 2014|
|Number built||164 vehicles (57 sets)|
|Number in service||164 vehicles (57 sets) (as of 31 December 2017[update])|
|Formation||2/4 cars per trainset|
|Fleet numbers||A1-A32, B1-B25|
|Car body construction||Stainless steel|
|Car length||19,570 mm (64 ft 2 in) (end cars)
19,500 mm (64 ft 0 in) (intermediate cars)
|Width||2,950 mm (9 ft 8 in)|
|Height||3,620 mm (11 ft 11 in)|
|Floor height||1,130 mm (3 ft 8 in)|
|Doors||3 pairs per side|
|Maximum speed||110 km/h (70 mph)|
|Traction system||Variable frequency (IGBT)|
|Electric system(s)||1,500 V DC|
|Current collection method||Overhead catenary|
|Safety system(s)||ATS-P, ATS-Ps|
|Track gauge||1,067 mm (3 ft 6 in)|
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. 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. The trains have a maximum speed of 110 km/h (70 mph).
- Joetsu Line (Minakami – Miyauchi)
- Shinetsu Main Line (Naoetsu – Niigata)
- Uetsu Main Line (Niitsu – Murakami)
- Hakushin Line (Niigata – Shibata)
- Echigo Line (Kashiwazaki – Niigata)
- Yahiko Line (Higashi-Sanjō – Yahiko)
The E129 series fleet will ultimately consist of 30 two-car sets (60 vehicles) numbered A1 to A30 and 25 four-car sets (100 vehicles) numbered B1 to B25, all based at Niigata Depot.
2-car sets A1-A30
|Numbering||KuMoHa E129-100||KuMoHa E128-100|
- 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).
- The KuMoHa E128-100 car has a universal access toilet.
4-car sets B1-B25
|Numbering||KuMoHa E129||MoHa E128||MoHa E129||KuMoHa E128|
- The KuMoHa E129 and MoHa E129 cars are each fitted with one PS33G single-arm pantograph.
- The KuMoHa E128 car has a universal access toilet.
Passenger accommodation consists of a mix of transverse seating bays and longitudinal bench seating. LED lighting is used throughout. 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 that E233 series trains. 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.
The first trains entered revenue service on 6 December 2014.
|Set No.||Manufacturer||Date delivered|
|A1||J-TREC, Niitsu||17 October 2014|
|A2||J-TREC, Niitsu||17 October 2014|
|A3||J-TREC, Niitsu||17 October 2014|
|A4||J-TREC, Niitsu||23 October 2014|
|A5||J-TREC, Niitsu||7 November 2014|
|A6||J-TREC, Niitsu||21 November 2014|
|A7||J-TREC, Niitsu||8 December 2014|
|A8||J-TREC, Niitsu||22 December 2014|
|A9||J-TREC, Niitsu||15 January 2015|
|A10||J-TREC, Niitsu||28 January 2015|
|A11||J-TREC, Niitsu||27 February 2015|
|A12||J-TREC, Niitsu||27 February 2015|
|A13||J-TREC, Niitsu||20 April 2015|
|A14||J-TREC, Niitsu||20 April 2015|
|A15||J-TREC, Niitsu||21 May 2015|
|A16||J-TREC, Niitsu||21 May 2015|
|A17||J-TREC, Niitsu||18 June 2015|
|A18||J-TREC, Niitsu||18 June 2015|
|A19||J-TREC, Niitsu||16 July 2015|
|A20||J-TREC, Niitsu||16 July 2015|
|A21||J-TREC, Niitsu||20 August 2015|
|A22||J-TREC, Niitsu||20 August 2015|
|A23||J-TREC, Niitsu||15 September 2015|
|A24||J-TREC, Niitsu||15 September 2015|
|A25||J-TREC, Niitsu||16 October 2015|
|A26||J-TREC, Niitsu||16 October 2015|
|A27||J-TREC, Niitsu||11 November 2015|
|A28||J-TREC, Niitsu||11 November 2015|
|A29||J-TREC, Niitsu||2 December 2015|
|A30||J-TREC, Niitsu||1 February 2016|
|A31||J-TREC, Niitsu||11 December 2017|
|A32||J-TREC, Niitsu||26 December 2017|
|Set No.||Manufacturer||Date delivered|
|B1||J-TREC, Niitsu||28 January 2016|
|B2||J-TREC, Niitsu||29 January 2016|
|B3||J-TREC, Niitsu||1 February 2016|
|B4||J-TREC, Niitsu||5 February 2016|
|B5||J-TREC, Niitsu||15 February 2016|
|B6||J-TREC, Niitsu||19 February 2016|
|B7||J-TREC, Niitsu||26 February 2016|
|B8||J-TREC, Niitsu||4 March 2016|
|B9||J-TREC, Niitsu||10 March 2016|
|B10||J-TREC, Niitsu||17 March 2016|
|B11||J-TREC, Niitsu||24 March 2016|
|B12||J-TREC, Niitsu||31 March 2016|
|B13||J-TREC, Niitsu||9 June 2016|
|B14||J-TREC, Niitsu||21 June 2016|
|B15||J-TREC, Niitsu||1 July 2016|
|B16||J-TREC, Niitsu||13 July 2016|
|B17||J-TREC, Niitsu||27 July 2016|
|B18||J-TREC, Niitsu||5 August 2016|
|B19||J-TREC, Niitsu||22 August 2016|
|B20||J-TREC, Niitsu||1 September 2016|
|B21||J-TREC, Niitsu||13 September 2016|
|B22||J-TREC, Niitsu||26 September 2016|
|B23||J-TREC, Niitsu||27 January 2017|
|B24||J-TREC, Niitsu||6 February 2017|
|B25||J-TREC, Niitsu||14 February 2017|
|Wikimedia Commons has media related to E129 series.|
- 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.
- 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.
- 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.
- 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.
- 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.
- JR電車編成表 2018冬 [JR EMU Formations - Winter 2018] (in Japanese). Japan: Kotsu Shimbunsha. 15 November 2017. p. 38-39. ISBN 978-4-330-84117-5.
- 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.