EV-E301 series
The EV-E301 series is a two-car battery electric train built for JR East. Branded as Accum, it runs on the Karasuyama Line (non-electrified) using battery power and on the Tohoku Main Line under 1,500 V DC overhead power. It has been in service since 15 March 2014.
What it is
- Type: Two-car battery electric multiple unit (BEMU)
- Operators: JR East
- Lines: Karasuyama Line (battery power), Tohoku Main Line (overhead power)
- Brand: Accum
- Builders: J-TREC, Yokohama
- First entered service: 15 March 2014
- Sets built: 4 sets (8 cars total)
How it works
- Battery: 190 kWh lithium-ion per set
- Max design speed: 100 km/h (but typically runs up to 65 km/h in service)
- Pantograph: Mc car has two PS38 pantographs for charging
- Charging: Recharged at Karasuyama Station via pantographs
- Formation: 2 cars per set (Car 1 at the Utsunomiya end)
- Bogies: DT79 (motored) and TR255D (trailer)
- Track gauge: 1,067 mm
- Electric system: 1,500 V DC overhead
Interior and features
- Lighting: LED throughout
- Seating: Longitudinal (bench) seating
- Toilet: Not fitted
- Doors: 3 pairs per side
Performance and specs
- Car length: 20,000 mm
- Width: 2,800 mm
- Floor height: 1,130 mm
- Acceleration: 2.0 km/h/s
- Deceleration: 3.6 km/h/s
- Capacity: 265 per set
- Safety: ATS-P
History and fleet
- First set, V1, delivered 21 January 2014; test runs began 23 January 2014
- Entered service on the Karasuyama Line on 15 March 2014
- Won the 2015 Laurel Prize from the Japan Railfan Club
- Additional three two-car sets delivered in February 2017; entered service 4 March 2017, replacing remaining diesel trains on the Karasuyama Line
Fleet numbers and operation
- Fleet numbers: V1–V4
- Total vehicles: 8
- Depots: Oyama
- Original purpose: Replace KiHa 40 series on the Karasuyama Line and enable battery-powered operation between Utsunomiya and Hōshakuji and on the non-electrified Karasuyama stretch
This page was last edited on 3 February 2026, at 05:12 (CET).