The 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 in Tokyo and on the
Joban Line since March 2012.
The trains replaced the
651 series
The 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 betwe ...
and
E653 series EMUs previously used on ''
Super Hitachi
is a limited express train service operated in Japan by East Japan Railway Company (JR East) on the Jōban Line between Shinagawa Station / Ueno Station in Tokyo and Sendai Station in Miyagi Prefecture. The '' Tokiwa'' service follows the same ...
'' 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.
Design
The front end design is derived from the earlier ''Super Hitachi'' 651 series trains, and the pale pink body color with red lining is intended to evoke an image of the ''
ume
''Prunus mume'' is an East Asian and Southeast Asian tree species classified in the ''Armeniaca'' section of the genus ''Prunus'' subgenus ''Prunus''. Its common names include Chinese plum, Japanese plum, and Japanese apricot. The flower, long ...
'' plums for which the area served by the trains is famous.
The end cars and Green (first class) cars feature full
active suspension An active suspension is a type of automotive suspension on a vehicle. It uses an onboard system to control the vertical movement of the vehicle's wheels relative to the chassis or vehicle body rather than the passive suspension provided by large sp ...
for improved ride quality, and
yaw dampers are fitted between cars.
Bogies
The DT78 (motored) and TR263 (trailer) bolsterless bogies are developed from the DT77 and TR262 bogies used on the
E259 series
E, or e, is the fifth letter and the second vowel letter in the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''e'' (pronounced ); plur ...
EMUs, with improvements to cope with the increased vehicle weight and provide increased snow and cold weather resistance.
The end bogies of the Tc driving cars are designated TR263, the inner bogies of the Tc driving cars and the Ts car are designated TR263A, and the bogies on the T1 car are designated TR262B.
All the bogies use tread brakes, and the trailer bogies additionally use two disc brakes per axle.
Wheel diameter is , and the distance between wheel centers is .
Formation
Each unit consists of ten cars, formed as shown below, with car 1 at the Ueno end. The six "M" cars are motored.
Cars 2, 6, and 8 each have one PS37A single-arm pantograph.
Interior
Internally, the Green car (first class) accommodation is in 2+2 abreast configuration with a seat pitch of . Standard class is arranged 2+2 with a seat pitch of , compared to for ''Super Hitachi'' 651 series trains and for ''Fresh Hitachi'' E653 series trains.
AC power outlets are provided at each seat, and
WiMAX
Worldwide Interoperability for Microwave Access (WiMAX) is a family of wireless broadband communication standards based on the IEEE 802.16 set of standards, which provide physical layer (PHY) and media access control (MAC) options.
The WiMAX ...
wireless broadband internet access is available.
The trains include
universal access
Apple Universal Access is a component of the macOS operating system that provides computing abilities to people with visual impairment, hearing impairment, or physical disability.
Components
Universal Access is a preference pane of the Syst ...
toilets and security cameras.
Between October 2013 and around March 2015, the fleet was scheduled to be retro-fitted with LED seat reservation status indicators above each seat.
History
In March 2011, the first completed five cars (half a set - cars 1 to 5) were delivered from
Kinki Sharyo
is a Japanese manufacturer of railroad vehicles based in Osaka. It is an affiliate company of Kintetsu Corporation. In business since 1920 (as Tanaka Rolling Stock Works) and renamed The Kinki Sharyo Co., Ltd in 1945. They have produced light r ...
's Osaka factory and moved to
Hitachi's factory in
Yamaguchi Prefecture
is a prefecture of Japan located in the Chūgoku region of Honshu. Yamaguchi Prefecture has a population of 1,377,631 (1 February 2018) and has a geographic area of 6,112 km2 (2,359 sq mi). Yamaguchi Prefecture borders Shimane Prefecture t ...
.
The first 10-car set was then scheduled to be moved from Hitachi's factory to JR East's Katsuta Depot on the Jōban Line in April, but this was postponed until May 2011 due to the
2011 Tōhoku earthquake and tsunami
The occurred at 14:46 JST (05:46 UTC) on 11 March. The magnitude 9.0–9.1 (M) undersea megathrust earthquake had an epicenter in the Pacific Ocean, east of the Oshika Peninsula of the Tōhoku region, and lasted approximately six mi ...
.
Test running on the Jōban Line commenced on 27 May 2011.
Seven sets were delivered for the start of the revised timetable from 17 March 2012.
The first E657 series set built by
Japan Transport Engineering Company
is a manufacturer of heavy rail cars in Japan, formerly known as . The company is based in Kanazawa-ku, Yokohama, and a member of East Japan Railway Company (JR East) group. J-TREC manufactures rail vehicles not only for JR East and Tokyu Corp ...
(J-TREC) in Yokohama, K-9, was delivered in August 2012. This was also the first train to be built for JR East by the company following its renaming from Tokyu Car Corporation.
Fleet/build details
The manufacturers and delivery dates for the fleet are as shown below.
References
External links
JR East press release announcing new trains
{{JR East EMU
East Japan Railway Company
Jōban Line
Electric multiple units of Japan
Hitachi multiple units
Train-related introductions in 2012
20 kV AC multiple units
J-TREC multiple units
1500 V DC multiple units of Japan
Kinki Sharyo multiple units