The is an
AC 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 numbe ...
(EMU) operated by
Hokkaido Railway Company
The is one of the constituent companies of the Japan Railways Group (JR Group), and is often referred to using its official abbreviation of . It operates intercity and local rail services in Hokkaido, Japan. The company introduced Kitaca, a sm ...
(JR Hokkaido) on
Sapporo
( ain, サッ・ポロ・ペッ, Satporopet, lit=Dry, Great River) is a city in Japan. It is the largest city north of Tokyo and the largest city on Hokkaido, the northernmost main island of the country. It ranks as the fifth most populous city ...
area suburban services in
Hokkaido
is Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel.
The la ...
, Japan since 1988.
Design
The trains were built jointly by
Hitachi
() is a Japanese multinational corporation, multinational Conglomerate (company), conglomerate corporation headquartered in Chiyoda, Tokyo, Japan. It is the parent company of the Hitachi Group (''Hitachi Gurūpu'') and had formed part of the Ni ...
,
JR Hokkaido
The is one of the constituent companies of the Japan Railways Group (JR Group), and is often referred to using its official abbreviation of . It operates intercity and local rail services in Hokkaido, Japan. The company introduced Kitaca, a sm ...
(Naebo Factory),
Kawasaki Heavy Industries
(or simply Kawasaki) is a Japanese Public company, public multinational corporation manufacturer of motorcycles, engines, Heavy equipment (construction), heavy equipment, aerospace and Military, defense equipment, rolling stock and ships, headq ...
, and
Tokyu Car
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 ...
(Yokohama).
Fleet
As of 1 April 2012, the fleet consists of 135 vehicles, formed as 23 3-car sets and 11 6-car sets.
Variants
* 721-0 series
* 721-1000 series
* 721-2000 series
* 721-3000 series
* 721-4000 series
* 721-5000 series
References
{{JR Hokkaido trainsets
Electric multiple units of Japan
Hokkaido Railway Company
Train-related introductions in 1988
Hitachi multiple units
Kawasaki multiple units
Tokyu Car multiple units
20 kV AC multiple units