YC1 series

The YC1 series (YC1系) is a hybrid diesel-electric multiple unit (DMU) train type operated by Kyushu Railway Company (JR Kyushu) in Japan since 14 March 2020. One two-car train was delivered in June 2018[2] for testing in preparation for full production and entry into revenue service.[3]

YC1 series
YC1 series train in January 2023
ManufacturerKawasaki Heavy Industries
Built atHyōgo
Family namehybrid efACE
ReplacedKiHa 66/67
Constructed2018–
Entered service14 March 2020
Number in service32 vehicles (as of November 2020)
Formation2 cars per trainset
Capacity232 (76 seated)
Operator(s)JR Kyushu
Depot(s)Sasebo
Line(s) served
Specifications
Car body constructionStainless steel
Doors3 pairs per side
Maximum speed110 km/h (68 mph)
Track gauge1,067 mm (3 ft 6 in)

Interior

The interior features LED lighting and four-language passenger information displays. Seating consists of a mix of longitudinal seating and seating bays.[2]

  • Interior
    Interior
  • Longitudinal seating
    Longitudinal seating
  • Transverse seating bay
    Transverse seating bay

Technical specifications

The car bodies are made out of stainless steel.[2] The train is equipped with a storage battery, which can be charged with the regenerated power from braking. JR Kyushu reports that the hybrid system consumes 20% less fuel than the diesel-hydraulic KiHa 66 and 67 trains, which were envisaged to be replaced by the YC1 series.[2][4]

History

The first set, a 2-car set, was delivered in June 2018,[5] and is based at Sasebo depot. The set was used in a test run on the Nagasaki Main Line and Sasebo Line in March 2019.[6] Revenue service began on 14 March 2020.[7] Throughout 2020, twenty-four YC1 series cars were delivered from Kawasaki Heavy Industries' Hyogo plant.[8][9][10][11]

Since 23 September 2022, a majority of Nagasaki Main Line local and rapid services have been operated using YC1 series trains.[1]

References
  1. JR九州キハ47形＆YC1系、佐世保線江北～早岐間で日中の普通列車に [JR Kyushu KiHa 47 and YC1 series operate daytime local trains between Kohoku and Haiki on the Sasebo Line]. Mynavi News (in Japanese). 24 September 2022. Archived from the original on 29 November 2022. Retrieved 18 January 2023.
  2. Ueshin, Daisuke (5 October 2018). "JR九州821系・YC1系「やさしくて力持ち」新型車両を公開! 写真149枚" [JR Kyushu 821 series / YC1 series "Kind and powerful" new vehicle released! 149 photos]. news.mynavi.jp (in Japanese). Mynavi Corporation. Archived from the original on 25 August 2019. Retrieved 25 August 2019.
  3. JR九州、「YC1系」導入へ 蓄電池搭載型ディーゼルエレクトリック車両 [JR Kyushu to introduce YC1 series battery-powered diesel electric trains]. tetsudo-shimbun.com (in Japanese). Japan: Tetsudo Shimbunsha. 26 January 2018. Archived from the original on 26 January 2018. Retrieved 26 January 2018.
  4. 従来型ディーゼル車に引導､JR九州の新車両 [JR Kyushu introduces new rolling stock to replace older diesel trains]. Toyo Keizai Online (in Japanese). 23 October 2018. Archived from the original on 11 April 2020. Retrieved 18 January 2023.
  5. "JR九州YC1系が甲種輸送される" [JR Kyushu YC1 series is transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 3 June 2018. Archived from the original on 25 August 2019. Retrieved 25 August 2019.
  6. "YC1系が佐世保線・長崎本線で試運転" [YC1 series trial run on Sasebo Line and Nagasaki Main Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 5 March 2019. Archived from the original on 25 August 2019. Retrieved 25 August 2019.
  7. "YC1系が営業運転を開始" [YC1 series starts commercial operation]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 14 March 2020. Archived from the original on 25 May 2020. Retrieved 25 May 2020.
  8. YC1系6両が甲種輸送される [Six YC1 series cars transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 22 February 2020. Archived from the original on 19 November 2020. Retrieved 18 January 2023.
  9. "YC1系6両が甲種輸送される" [Six YC1 series cars transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 23 May 2020. Archived from the original on 25 May 2020. Retrieved 25 May 2020.
  10. YC1系6両が甲種輸送される [Six YC1 series cars transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 5 June 2020. Archived from the original on 19 November 2020. Retrieved 18 January 2023.
  11. JR九州YC1系甲種輸送される [JR Kyushu YC1 series is transported]. RM News. Japan: Neko Publishing. 17 November 2020. Archived from the original on 17 July 2022. Retrieved 18 January 2023.
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