EV-E301 series

The EV-E301 series (EV-E301系) is a two-car battery electric multiple unit (BEMU) train type operated by East Japan Railway Company (JR East) on the Karasuyama Line and Tohoku Main Line since 15 March 2014.[1] The train is branded "Accum".[2]

EV-E301 series
Set V1 in service in April 2014
Built atYokohama
Family nameAccum
ReplacedKiHa 40 series
Entered service15 March 2014
Number built8 vehicles (4 sets)
Number in service8 vehicles (4 sets)
Formation2 cars per trainset
Fleet numbersV1–V4
Capacity265 per set
Operator(s)JR East
Line(s) servedKarasuyama Line, Tohoku Main Line
Car length20,000 mm (65 ft 7 in)
Width2,800 mm (9 ft 2 in)
Floor height1,130 mm (3 ft 8 in)
Doors3 pairs per side
Maximum speed65 km/h (40 mph) (service)
100 km/h (60 mph) (design)
Acceleration2.0 km/h/s
Deceleration3.6 km/h/s
Electric system(s)1,500 V DC
Current collection methodOverhead line
BogiesDT79 (motored), TR255D (trailer)
Safety system(s)ATS-P
Track gauge1,067 mm (3 ft 6 in)


Developed from the experimental "Smart Denchi-kun" battery railcar tested on the Karasuyama Line in 2012, the two-car EV-E301 series train operates as an electric multiple unit (EMU) under the 1,500 V DC overhead wire of the Tohoku Main Line between Utsunomiya and Hōshakuji, and on battery power over the 20.4 km (12.7 mi) non-electrified Karasuyama Line. It can also be recharged via its pantographs at a recharging facility specially built at Karasuyama Station.[2]

The two-car trainsets are equipped with 190 kWh lithium-ion storage batteries,[2] and the train has a maximum design speed of 100 km/h (60 mph), although it normally runs at up to 65 km/h (40 mph) in service.[3]


The two-car trains are formed as shown below, with car 1 at the Utsunomiya end.[2]

Car No.12
Designation Mc'Mc
Type EV-E300EV-E301
Weight (t) 37.740.2
Passenger capacity (seated/total) 48/13348/133

The Mc car has two PS38 single-arm pantographs.[2]


Internally, the train uses LED lighting throughout.[2] Seating accommodation consists of longitudinal bench seating.[2] The train is not equipped with a toilet.[3]


Each car is mounted on a TR255D non-powered trailer bogie at the outer end, and a DT79 motored bogie at the inner end.[2]


The first set, V1, was delivered from the Japan Transport Engineering Company (J-TREC) factory in Yokohama on 21 January 2014.[4] Test running commenced on 23 January, on the Utsunomiya Line, including running on battery power with the pantographs lowered.[5] It entered revenue service on the Karasuyama Line from the start of the revised timetable on 15 March 2014.[1]

In May 2015, the EV-E301 series was awarded the 2015 Laurel Prize, presented annually by the Japan Railfan Club.[6] A presentation ceremony was held at Karasuyama Station on 26 September 2015.[7]

A further three two-car EV-E301 series trainsets were delivered to Utsunomiya from the J-TREC factory in Yokohama in February 2017.[8] These entered service from the start of the revised timetable on 4 March 2017, replacing the remaining diesel multiple unit trains operating on the Karasuyama Line.[9]

See also


  1. "烏山線でEV-E301系が営業運転を開始" [EV-E301 series enters revenue service on Karasuyama Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 16 March 2014. Retrieved 17 March 2014.
  2. "EV-E301系蓄電池駆動電車" [EV-E301 series battery EMU]. Japan Railfan Magazine. Vol. 54 no. 638. Japan: Koyusha Co., Ltd. June 2014. pp. 54–59.
  3. "烏山線用EV-E301系" [Karasuyama Line EV-E301 series]. Japan Railfan Magazine. Vol. 54 no. 636. Japan: Koyusha Co., Ltd. April 2014. pp. 62–64.
  4. "EV-E301系「ACCUM」が甲種輸送される" [EV-E301 series "Accum" delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 22 January 2014. Retrieved 22 January 2014.
  5. "EV-E301系「ACCUM」が宇都宮線で試運転" [EV-E301 series "Accum" test-run on the Utsunomiya Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 24 January 2014. Retrieved 24 January 2014.
  6. ブルーリボン賞・ローレル賞 選定車両一覧 [Blue Ribbon Award & Laurel Prize Winner List] (in Japanese). Japan: Japan Railfan Club. 21 May 2015. Archived from the original on 23 January 2016. Retrieved 19 December 2016.
  7. EV-E301系 ローレル賞を受賞 [EV-E301 series receives Laurel Prize]. RM News (in Japanese). Japan: Neko Publishing. 1 October 2015. Retrieved 1 October 2015.
  8. EV-E301系が甲種輸送される [EV-E301 series delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 22 February 2017. Archived from the original on 22 February 2017. Retrieved 22 February 2017.
  9. JR烏山線のディーゼル車「キハ40形」 「たらこ色」の車両ラストラン [Last run on JR Karasuyama Line for red KiHa 40 diesel cars]. Sankei News (in Japanese). Japan: The Sankei Shimbun & Sankeu Digital. 4 March 2017. Archived from the original on 4 March 2017. Retrieved 4 March 2017.
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