The is a commuter electric multiple unit

Electric multiple unit

An electric multiple unit or EMU is a multiple unit train consisting of self-propelled carriages, using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a number of the carriages...

 train type introduced in 1979 by Japanese National Railways

Japanese National Railways

, abbreviated or "JNR", was the national railway network of Japan from 1949 to 1987.-History:The term Kokuyū Tetsudō "state-owned railway" originally referred to a network of railway lines operated by nationalized companies under the control of the Railway Institute following the nationalization...

 (JNR), and currently operated by West Japan Railway Company

West Japan Railway Company

, also referred to as , is one of the Japan Railways Group companies and operates in western Honshū. It has its headquarters in Kita-ku, Osaka.-History:...

 (JR West), and formerly also operated by East Japan Railway Company

East Japan Railway Company

is the largest passenger railway company in the world and one of the seven Japan Railways Group companies. The company name is officially abbreviated as JR East in English, and as in Japanese. The company's headquarters are in Yoyogi, Shibuya, Tokyo....

 (JR East).

It was the first JNR train to use electronic chopper

Chopper (electronics)

A chopper circuit is used to refer to numerous types of electronic switching devices and circuits. The term has become somewhat ill-defined, and as a result is much less used nowadays than it was perhaps 30 or more years ago....

 control.

JR West

• Tōkaidō Main Line
  Tokaido Main Line
  The is the busiest trunk line of the Japan Railways Group , connecting Tōkyō and Kōbe stations. It is long, not counting its many freight feeder lines around the major cities...
  
  , Sanyō Main Line (Biwako Line, JR Kyoto Line
  JR Kyoto Line
  The is the common name of a portion of the Tōkaidō Main Line, between Kyoto Station and Osaka Station. The line is one of commuter rail lines and services in Osaka-Kobe-Kyoto Metropolitan Area, owned and operated by West Japan Railway Company ....
  
  , JR Kobe Line
  JR Kobe Line
  The is the nickname of portions of the Tōkaidō Main Line and the Sanyō Main Line, between Osaka Station in Osaka, Osaka Prefecture and Himeji Station in Himeji, Hyōgo Prefecture...
  
  ) (Kusatsu - Kakogawa) (from 1983 to 2007)
• Kosei Line
  Kosei Line
  The is one of commuter rail lines and services in Osaka-Kobe-Kyoto Metropolitan Area, operated by West Japan Railway Company. The line was completed in 1974 by the former Japanese National Railways to provide faster access from the Kansai region to the Hokuriku region...
  
   (from 1997 to 2007)
• Fukuchiyama Line (JR Takarazuka Line)
  Fukuchiyama Line
  The is a railway line of West Japan Railway between Osaka and Fukuchiyama, Japan. Within JR West's "Urban Network" covering the Osaka-Kobe-Kyoto metropolitan region, the line from Osaka to Sasayamaguchi is also called the JR Takarazuka Line...
  
   (from 1997 to 2007)
• Osaka Loop Line
  Osaka Loop Line
  The is a railway line in Japan operated by West Japan Railway Company . It encircles central Osaka.The second loop line, the Osaka Higashi Line, from Hanaten to Kyuhoji was opened on March 15, 2008, and the line from Shigino to Shin-Ōsaka is planned to open in 2020.-Outline:This loop line consists...
  
   (from 2005 to present)
• Sakurajima Line (JR Yumesaki Line)
  Sakurajima Line
  The is a railway line in Osaka, Japan, operated by West Japan Railway Company running from Nishikujō Station to Sakurajima Station. It is also referred to as the...
  
   (from 2005 to present)
• Kansai Main Line
  Kansai Main Line
  The is a Japanese railway line which connects Nagoya Station with JR Namba Station in Osaka. It is jointly run by the Central Japan Railway Company and the West Japan Railway Company with the boundary between both companies being located at Kameyama Station in Kameyama, Mie Prefecture.The section...
  
   (Yamatoji Line
  Yamatoji Line
  The is the common name of the western portion of the Kansai Main Line, and the name has been used since March 13, 1988. The electrified portion is one of commuter rail lines and services in Osaka-Kobe-Kyoto Metropolitan Area, owned and operated by West Japan Railway Company...
  
  ), Sakurai Line (Man-yō Mahoroba Line)
  Sakurai Line
  The is a railway line in Nara Prefecture, operated by West Japan Railway Company . It runs from Nara on the Yamatoji Line to Takada on the Wakayama Line, with some service continuing on the Wakayama Line to Ōji Station, and then to JR Namba on the Yamatoji Line...
  
  , Wakayama Line
  Wakayama Line
  The is a railway line that links Nara Prefecture to Wakayama Prefecture in Japan, operated by West Japan Railway Company . It runs from Ōji Station on the Yamatoji Line to Wakayama Station on the Hanwa Line and Kisei Main Line, with through train service to JR Namba via the Yamatoji Line and to...
  
   (from 2006 to present)
• Osaka Higashi Line (from 2008 to present)

JR East

• Chūō Rapid Line (from 1979 to October 2010)
• Chūō-Sōbu Line
  Chuo-Sobu Line
  The is a railway line located in Tokyo and Chiba Prefecture, Japan. Part of the East Japan Railway Company network, it runs on separate tracks along the right-of-way of the Chūō Main Line and Sōbu Main Line , providing service between Mitaka Station in the cities of Mitaka and Musashino and...
  
   (from 1982 to 2001)
• Ōme Line
  Ome Line
  The is a railway line operated by East Japan Railway Company in western Tokyo, Japan. It links Tachikawa and the Chūō Line with the town of Okutama. Many Chūō Line trains operate via the Ōme Line to Ōme Station, providing non-stop service to Tokyo Station....
  
   (from 1999 to 2008)
• Itsukaichi Line
  Itsukaichi Line
  The is a railway line operated by East Japan Railway Company in Tokyo, Japan. It links Musashi-Itsukaichi Station in the city of Akiruno with Haijima Station in the city of Akishima...
  
   (from 1999 to 2008)
• Hachikō Line
  Hachiko Line
  The is a 92.0 km regional railway line owned and operated by East Japan Railway Company . It is located within Tokyo, Saitama, and Gunma Prefectures in Japan. Its endpoints are Hachiōji Station in Hachiōji, Tokyo and Kuragano Station in Takasaki, Gunma Prefecture.-Services:Komagawa Station in...
  
   (Hachiōji
  Hachioji Station
  is a railway station in the city of Hachiōji, Tokyo, Japan, operated by East Japan Railway Company . It opened on August 11, 1889.-Lines:The Chūō Main Line passes through Hachiōji Station. The Yokohama Line and Hachikō Line terminate here...
  
   - Komagawa
  Komagawa Station
  is a railway station in Hidaka, Saitama, Japan, operated by East Japan Railway Company .-Lines:Komagawa Station is served by the Hachikō Line for and , and the Kawagoe Line for . The Hachikō Line is divided here into the electrified southern section to Hachiōji and the non-electrified northern...
  
  , until March 2008)
• Keiyō Line
  Keiyo Line
  The is a railway line connecting Tokyo and Chiba, Japan, running mainly along the edge of Tokyo Bay. It is operated by the East Japan Railway Company .It provides the main rail access to the Tokyo Disney Resort and the Makuhari Messe exhibition center...
  
  , Sotobō Line, Tōgane Line (from 2000 to 20 June 2011)

Shikisai train

A 4-car 201 series set (W1) was modified in 2001 by JR East to become the special tourist train, entering service on the Ōme Line

Ome Line

The is a railway line operated by East Japan Railway Company in western Tokyo, Japan. It links Tachikawa and the Chūō Line with the town of Okutama. Many Chūō Line trains operate via the Ōme Line to Ōme Station, providing non-stop service to Tokyo Station....

from 4 August 2001. This train featured panorama windows and transverse seating bays on one side of the train only. It was repainted into a new livery in June 2005. The train was withdrawn from regular service at the end of June 2009, with a number of special finale runs scheduled for July.