651 series
| 651 series | |
|---|---|
A 651-1000 series EMU on an Akagi service in March 2014
|
|
| In service | 1989–Present |
| Manufacturer | Kawasaki Heavy Industries |
| Built at | Hyogo |
| Replaced | 485 series |
| Constructed | 1988–1992 |
| Refurbishment | October 2000–December 2002 |
| Scrapped | 2013– |
| Number built | 99 vehicles (18 sets) |
| Number in service | 95 vehicles (17 sets) |
| Number scrapped | 4 vehicles (1 set) |
| Formation | 4/7 cars per trainset |
| Operator(s) | JR East |
| Depot(s) | Katsuta, Omiya |
| Specifications | |
| Car body construction | Steel |
| Car length | 21,500 mm (70 ft 6 in) (end cars), 21,100 mm (69 ft 3 in) intermediate cars |
| Width | 2,900 mm (9 ft 6 in) |
| Maximum speed | 130 km/h (80 mph) |
| Traction system | Resistor control + field system superimposed field excitation control |
| Acceleration | 1.95 km/h/s |
| Deceleration | 5.2 km/h/s |
| Electric system(s) | 1,500 V DC / 20 kV AC (50Hz) |
| Current collection method | Overhead catenary |
| Bogies | DT56 (motor), T241 (trailer) |
| Safety system(s) | ATS-P, ATS-Ps |
| Track gauge | 1,067 mm (3 ft 6 in) |
The 651 series (651系?) is an AC/DC dual-voltage electric multiple unit (EMU) type operated by East Japan Railway Company (JR East) in Japan since March 1989.
Trains originally operated as 7+4-car formations on Super Hitachi limited express services between Ueno in Tokyo and Sendai via the Jōban Line, but were withdrawn from regular scheduled services from the start of the revised timetable on 16 March 2013. The majority of the fleet was subsequently modified to become the 651-1000 series, and re-employed on Akagi and Kusatsu limited express services from March 2014.
As of 1 October 2015[update], the remaining 651-0 series sets not used on regular scheduled services. The 651-1000 series sets are used on Akagi, Swallow Akagi, and Kusatsu limited express services.
As of 1 October 2015[update], the fleet of original 651-0 series trainsets consists of three (out of the original nine) seven-car sets (K102, 103, 105) and five (out of the original nine) four-car sets (K201, 202, 204, 205, 205), based at Katsuta Depot.
The seven-car sets, K101 to K109, are formed as follows, with four motored ("M") cars and three non-powered trailer ("T") cars, and car 1 at the Ueno (southern) end.
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