Puneet Varma (Editor)

711 series

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In service  1968 – March 2015
Number built  114 vehicles (38 sets)
Formation  3 cars per trainset
Constructed  1967–1980
Number in service  None
711 series
Manufacturer  Hitachi Kawasaki Heavy Industries Kisha Tokyu Car

The 711 series (711系, 711-kei)was an AC electric multiple unit (EMU) train type operated by Hokkaido Railway Company (JR Hokkaido) on Sapporo area suburban services in Hokkaido, Japan, from 1968 until March 2015. It was the first AC EMU train to be operated in Japan by the former Japanese National Railways (JNR). The last remaining trains in service were withdrawn on 13 March 2015.



By 1 October 2014, 36 vehicles (12 sets) were still in service, all based at Sapporo Depot.


The 711 series trains were formed as three-car sets with one motored intermediate car and two non-powered driving trailer cars, as shown below.

Car 2 was fitted with one N-PS785 single-arm pantograph.

Former prototype sets S901/902

The former prototype sets, S901 and S902 were formed as shown below.


Seating consisted of a mixture of transverse seating bays and longitudinal bench seating.

Prototype sets

Two prototype 2-car sets, numbered KuMoHa 711-901 + KuHa 711-901 and KuMoHa 711-902 + KuHa 711-902, were delivered in February 1967 for test running ahead of the start of electric suburban services between Otaru and Takikawa from 1968. Both sets were based on the KiHa 22 diesel multiple unit design, but set 901 had opening two-pane windows and featured two sets of 4-leaf folding doors per side, whereas set 902 had sealed double-glazed windows, as used on the subsequent full-production sets. The two sets were modified to full-production standards in 1968 and 1970, but set 901 retained its opening windows.

Full-production sets

The first full-production 3-car sets were delivered from August 1968. A third, centre, door was added to some of the KuHa 711 cars from 1987. All cars became no-smoking from 1 July 1992. Priority seating was added from 1 October 1997. Air conditioning was added to the 2-door sets between 2001 and 2002. The original scissors-type pantographs were replaced with N-PS785 single-arm pantographs between 2004 and 2005.

Repainted sets

In 2011, set S-110 was repainted into its original JNR all-over crimson livery, and this was followed in May 2012 by a second similarly repainted set, S-114.


The last remaining sets in service were withdrawn on 13 March 2015.


711 series Wikipedia

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