735 series

The 735 series (735系) is an electric multiple unit (EMU) train type built in 2010 and operated by Hokkaido Railway Company (JR Hokkaido) on suburban services in the Sapporo area in Hokkaido, Japan, since May 2012.

735 series
Sets A-101 and A-102, May 2012
In serviceMay 2012 – present
ManufacturerHitachi
Built atKudamatsu
Constructed2010
Number built6 vehicles (2 sets)
Number in service6 vehicles (2 sets)
Formation3 cars per trainset
Fleet numbersA-101–102
Capacity428 (148 seated)
Operator(s)JR Hokkaido
Depot(s)Sapporo
Specifications
Car body constructionAluminium alloy
Car length21.2 m (69 ft 7 in) (end cars)
20.8 m (68 ft 3 in) (intermediate cars)[1]
Width2,800 mm (9 ft 2 in)
Doors3 per side
Maximum speed120 km/h (75 mph)[2]
Acceleration2.2 km/(h⋅s) (1.4 mph/s)[2]
Electric system(s)20 kV AC
Current collector(s)Overhead catenary
BogiesN-DT735 (motored), N-TR735 (trailer)
Multiple working721 series, 731 series, 733 series
Track gauge1,067 mm (3 ft 6 in)

Design

The 735 series is intended as an experimental type to evaluate the suitability of aluminium-body rolling stock in the cold climate of Hokkaido. The cab ends however use steel construction. They were tested in winter conditions from 2010 to 2011.[2]

The 735 series sets are able to run in multiple with the 721 series, 731 series, and 733 series suburban EMUs, but not with KiHa 201 series DMUs.[2][3]

Formation

Sets are formed as shown below.[2]

Car No. 123
Designation Tc1MTc2
Numbering KuHa 735-100MoHa 735-100KuHa 735-200
Weight (t) 31.840.133.3
Capacity
(total/seated)		 137/46150/52141/50

The MoHa 735 car is fitted with an N-PS785 single-arm pantograph.[2]

  • KuHa 735-102
    KuHa 735-102
  • MoHa 735-102
    MoHa 735-102
  • KuHa 735-202
    KuHa 735-202

Interior

The 735 series design continues the basic configuration of the earlier 731 series with longitudinal seating throughout. The floor is 100 mm (3.9 in) lower than on previous trains, for improved accessibility. Car 1 has a universal access toilet.[2]

  • Interior view, August 2010
    Interior view, August 2010

History
Set A-101 on display at Sapporo Depot Open Day, August 2010

Two 3-car sets were delivered from the Hitachi factory in Yamaguchi Prefecture in March 2010.[4]

The sets first entered revenue-earning service on 1 May 2012.[5]

References
  1. "JR北海道 735系通勤型交流電車" [JR Hokkaido 735 series commuter EMU]. Tetsudō Daiya Jōhō Magazine. 39 (314): 68–69. June 2010.
  2. Izumi, Hiroyuki (June 2010). "735系通勤形交流電車" [735 series AC commuter EMU]. Japan Railfan Magazine. 50 (590): 62–65.
  3. "JR北海道 ７３３系通勤型交流電車" [JR Hokkaido 733 series AC commuter EMU]. Tetsudō Daiya Jōhō Magazine. 41 (337): 69. May 2012.
  4. Tetsudō Daiya Jōhō Magazine. 39 (311): 126. March 2010.{{cite journal}}: CS1 maint: untitled periodical (link)
  5. "JR北海道735系電車が営業運転を開始" [JR Hokkaido 735 series enters revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 2 May 2012. Retrieved 2 May 2012.
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