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711 series
Japanese train type
Japanese train type
| Field | Value |
|---|---|
| name | 711 series |
| image | JNR 711 series EMU 029.JPG |
| imagesize | 300px |
| caption | 711 series set S-113 in service in January 2009 |
| service | 1968 – March 2015 |
| manufacturer | |
| yearconstruction | 1967–1980 |
| numberbuilt | 114 vehicles (38 sets) |
| numberservice | None |
| numberpreserved | 3 vehicles |
| formation | 3 cars per trainset |
| operator | JR Hokkaido |
| depots | Sapporo |
| lines | Hakodate Main Line, Chitose Line, Muroran Main Line |
| carbody | Steel |
| carlength | 20000 mm |
| width | 2950 mm |
| doors | 2 per side |
| maxspeed | 110 km/h |
| traction | Thyristor drive |
| traction motors | MT54A |
| MT54E | |
| electricsystem | 20 kV AC (50 Hz) |
| collectionmethod | Overhead line |
| bogies | DT38 (motored), TR208 (trailer) |
| safety | ATS-SN, ATS-DN |
| gauge |
MT54E
The 711 series 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 The last remaining trains in service were withdrawn on 13 March 2015.
Fleet
By 1 October 2014, 36 vehicles (12 sets) were still in service, all based at Sapporo Depot.
Formations
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 No. | 1 | 2 | 3 | Designation | Numbering |
|---|---|---|---|---|---|
| Tc' | M | Tc | |||
| KuHa 711-200 | MoHa 711-100 | KuHa 711-100 |
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.
| Designation | Numbering |
|---|---|
| Tc | Mc |
| KuHa 711-100 | KuMoHa 711-900 |
Interior
Seating consisted of a mixture of transverse seating bays and longitudinal bench seating.
File:Kuha711 210inside01.JPG|Interior of KuHa 711-210 (set S-110) in October 2011 File:Kuha711 210inside02.JPG|A four-person seating bay in KuHa 711-210 (set S-110) in October 2011
History
Prototype sets

Two prototype two-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 and 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 four-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 three-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 two-door sets between 2001 and 2002. The original scissors-type pantographs were replaced with N-PS785 single-arm pantographs between 2004 and 2005.
File:JNR-711EMU S107.jpg|Set S107 in original livery in 1982 File:JNR 711 series EMU 073.JPG|Set S-111 with three-door end cars, November 2009
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.
Withdrawal

The last remaining sets in service were withdrawn on 13 March 2015.
Preserved examples
, three 711 series vehicles have been preserved, as follows.
- KuHa 711 29: Preserved in Chitose, Hokkaido, and used as the "Cafe Garden Station" restaurant
- KuHa 711 103 + KuHa 711 203: Preserved outside in Iwamizawa, Hokkaido
File:JNR711 S-103 Aguri Station 20151003.jpg|Preserved cars KuHa 711 103 + KuHa 711 203 in October 2015
References
References
- (2009). "Jēāru zensharyō handobukku: Rail Magazine 2009". Neko Publishing.
- [[Japan Railfan Magazine]]. (June 2015)
- Kotsu Shimbunsha. (21 November 2014)
- Kotsu Shimbunsha. (May 2010)
- JRR. (July 1998)
- Kotsu Shimbunsha. (December 2005)
- Katayama. [[Japan Railfan Magazine]]. (September 2012)
- Sasada, Masahiro. (25 July 2017). "保存車大全コンプリート: 3000両超保存車を完全網羅". Ikaros Publications Ltd..
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