E657 series
The E657 series (E657系) is an AC/DC dual-voltage electric multiple unit (EMU) train type operated by East Japan Railway Company (JR East) in Japan on limited express services between Ueno in Tokyo and Iwaki on the Joban Line since March 2012.
| E657 series | |
|---|---|
Set K-15 in March 2019 | |
| In service | 2012–present |
| Manufacturer | Hitachi, J-TREC, Kinki Sharyo |
| Replaced | 651 series, E653 series |
| Constructed | 2011–2014, 2019 |
| Entered service | 3 March 2012 |
| Number built | 190 vehicles (19 sets) |
| Number in service | 190 vehicles (19 sets) |
| Formation | 10 cars per trainset |
| Fleet numbers | K-1 – K-19 |
| Capacity | 600 (Green: 30, Standard: 570) |
| Operators | JR East |
| Depots | Katsuta |
| Lines served | Joban Line |
| Specifications | |
| Car body construction | Aluminium alloy |
| Car length | 21.1 m (69 ft 3 in) (end cars) 20 m (65 ft 7 in) (intermediate cars) |
| Width | 2,946 mm (9 ft 8.0 in) |
| Height | 4,249 mm (13 ft 11.3 in) |
| Doors | 1 per side (2 on end cars) |
| Maximum speed | 130 km/h (81 mph) |
| Traction system | 3-core IGBT-VVVF (Hitachi) |
| Traction motors | MT75B 140 kW (188 hp) 3-phase AC squirrel-cage induction motor (Hitachi) |
| Acceleration | 0.56 m/s2 (1.3 mph/s) |
| Deceleration | 1.4 m/s2 (3.1 mph/s) |
| Electric system(s) | 1,500 V DC and 20 kV 50 Hz AC, all from overhead catenary |
| Current collector(s) | PS37A pantograph |
| Bogies | DT78 (motored), TR263 (trailer) |
| Safety system(s) | ATS-P, ATS-Ps |
| Multiple working | E655 series |
| Track gauge | 1,067 mm (3 ft 6 in) |
The trains replaced the 651 series and E653 series EMUs previously used on Super Hitachi and Fresh Hitachi limited express services on the Joban Line. The first train in revenue service ran on 3 March 2012, in the form of a special return Super Hitachi limited express service between Ueno and Iwaki, with regular scheduled services starting from the revised timetable on 17 March 2012. The initial order of sixteen 10-car sets was in service by the start of the revised timetable on 16 March 2013.
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