731 series
731 series set G116 in August 2009
ManufacturerKawasaki Heavy Industries, Hitachi[1]
Replaced711 series
Constructed1996–2006
Entered service24 December 1996
Number built63 vehicles (21 sets)
Number in service63 vehicles (21 sets)
Formation3 cars per trainset
Fleet numbersG-101–121
OperatorsJR Hokkaido
DepotsSapporo
Lines servedHakodate Main Line, Chitose Line
Specifications
Car body constructionStainless steel
Car length21.67 m (71 ft 1 in) (end cars)
21.3 m (69 ft 11 in) (intermediate cars)
Width2,800 mm (9 ft 2 in)
Height3,620 mm (11 ft 11 in)
Doors3 per side
Maximum speed130 km/h (81 mph)
Electric system(s)20 kV AC (50 Hz) overhead line
Current collector(s)Pantograph
Multiple working721 series, 733 series, 735 series, KiHa 201 series
Track gauge1,067 mm (3 ft 6 in)

The 731 series (731系) is an AC electric multiple unit (EMU) train type operated by Hokkaido Railway Company (JR Hokkaido) on Sapporo area suburban services in Hokkaido, Japan since 1996.[2]

Formation

As of 1 October 2016, 21 three-car sets are in service, numbered G-101 to G121, and based at Sapporo Depot. The trainsets are formed as follows, with one motored intermediate car and two non-powered driving trailer cars.[3]

Car No. 123
Designation Tc'MTc
Numbering KuHa 731-100MoHa 731-100KuHa 731-200
Capacity
(total/seated)		 141/50151/52143/50

Car 2 is fitted with one N-PS785 single-arm pantograph.[3]

Interior

Seating consists of longitudinal bench seating throughout, without the vestibule areas used on the earlier 721 series trains.[2]

History

KiHa 201 series DMU running in multiple with a 731 series EMU, January 2009

A total of 63 vehicles (21 sets) were delivered to Sapporo Depot between 1996 and 2006. The first units entered service from 24 December 1996.[4]

From the start of 22 March 1997 timetable revision, 731 series EMUs were operated in multiple with KiHa 201 series DMU sets over certain routes.[4]

Polycarbonate window protectors were added in 2002, and the original pantographs were replaced with single-arm pantographs between 2004 and 2005.[4]

Fleet history

The individual build histories of the fleet are as follows.[3][1][5][6]

Set No.ManufacturerDelivery date
G-101Kawasaki Heavy Industries12 December 1996
G-10210 December 1996
G-103Hitachi13 December 1996
G-10414 December 1996
G-105 Kawasaki Heavy Industries23 February 1998
G-10624 February 1998
G-107
G-10822 March 1998
G-10923 March 1998
G-11024 March 1998
G-11116 December 1998
G-11217 December 1998
G-113Hitachi18 December 1998
G-11419 December 1998
G-115Kawasaki Heavy Industries20 December 1999[7]
G-116
G-11721 December 1999[7]
G-118Hitachi13 December 1999[7]
G-119
G-120Kawasaki Heavy Industries6 March 2006[8]
G-1215 March 2006[8]

References

Wikimedia Commons has media related to JR Hokkaido 731.
  1. 1 2 JR車両のデータ・バンク 96/97 [JR rolling stock databank - 96/97]. Japan Railfan Magazine (in Japanese). Vol. 37, no. 435. Japan: Koyusha Co., Ltd. July 1997.
  2. 1 2 Jēāru zensharyō handobukku: Rail Magazine 2009 JR全車輌ハンドブック2009 [JR Rolling Stock Handbook 2009]. Japan: Neko Publishing. 2009. ISBN 978-4-7770-0836-0.
  3. 1 2 3 Jr電車編成表 JR電車編成表 2017冬 [JR EMU Formations - Winter 2017] (in Japanese). Japan: Kotsu Shimbunsha. 16 November 2016. p. 7. ISBN 978-4-330-73716-4.
  4. 1 2 3 JR電車編成表 2010夏 [JR EMU Formations - Summer 2010]. Japan: JRR. May 2010. p. 2. ISBN 978-4-330-14310-1.
  5. ↑ JR車両のデータ・バンク 97/98 [JR rolling stock databank - 97/98]. Japan Railfan Magazine (in Japanese). Vol. 38, no. 447. Japan: Koyusha Co., Ltd. July 1998.
  6. ↑ JR車両のデータ・バンク 98/99 [JR rolling stock databank - 98/99]. Japan Railfan Magazine (in Japanese). Vol. 39, no. 459. Japan: Koyusha Co., Ltd. July 1999.
  7. 1 2 3 JR車両のデータ・バンク 1999/2000 [JR rolling stock databank - 1999/2000]. Japan Railfan Magazine (in Japanese). Vol. 40, no. 471. Japan: Koyusha Co., Ltd. July 2000.
  8. 1 2 JR車両のデータ・バンク 2005/2006 [JR rolling stock databank - 2005/2006]. Japan Railfan Magazine (in Japanese). Vol. 46, no. 543. Japan: Koyusha Co., Ltd. July 2006.
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