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789 series

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789 series
789 series on a Super Hakucho service in August 2010
In service2002–Present
ManufacturerKawasaki Heavy Industries
Replaced485 series, 781 series
Constructed2002–2011
Number built75 vehicles
Number in service70 vehicles
Number scrapped5 vehicles (accident damage)
Formation5-8 cars per trainset
OperatorsJR Hokkaido
DepotsHakodate (789 series), Sapporo (789-1000 series)
Specifications
Car body constructionStainless steel
Car length21,670 mm (71 ft 1 in) (end cars)
21,300 mm (69 ft 11 in) (intermediate cars)
Width2,928 mm (9 ft 7 in)
Height4,020 mm (13 ft 2 in)
Doors2 per side
Maximum speed140 km/h (87 mph) (789 series)
130 km/h (81 mph) (789-1000 series)
Traction systemIGBT-VVVF
Electric system(s)20 kV AC (50 Hz)
Current collector(s)Overhead line
Safety system(s)ATS-PS, ATS-DN
Track gauge1,067 mm (3 ft 6 in)

The 789 series (789系) is an AC electric multiple unit (EMU) train type operated by Hokkaido Railway Company (JR Hokkaido) on limited express services in Hokkaido, Japan, since 2002. Two variants exist: the original 789 series for use on Lilac services (formerly used on Super Hakuchō services), and the 789-1000 series for use on Kamui and Suzuran services.[1] Also, it has three related train types, the KiHa 261 series, KiHa 281 series and KiHa 283 series, all of which run on diesel.

Lilac 789-0 series

A total of 40 cars were built between 2002[2] and 2005 for use on new Super Hakuchō services introduced from 1 December 2002 between Hachinohe (Shin-Aomori from December 2010) and Hakodate via the undersea Seikan Tunnel coinciding with the opening of the Tōhoku Shinkansen extension to Hachinohe.[3]

The trainsets were formed as four 2-car half sets, HE-101–104, and five 3-car half-sets, HE-201–205, which were coupled to produce 5- or 8-car formations.[4]

From December 2005, new SaHa 789-100 trailer cars were added to the original 2-car sets HE-101–104, and a fifth set, HE-105 was delivered. Two additional 2-car sets, HE-301 and HE-302, were also delivered for extending trains to up to eight cars during period seasons.[4]

Two new 3-car sets, HE-106 and HE-206, were delivered in April 2011.[5]

In March 2016, Super Hakucho services were discontinued because the new Hokkaido Shinkansen services ran on the same route, this meant that the 789-0 services (along with the 785-300 series trains) operating on the Super Hakucho services were completely taken out of service.

From the start of the revised timetable on 4 March 2017, Lilac limited express services were reintroduced between Sapporo and Asahikawa using six-car 789-0 series EMUs previously used on Super Hakucho services until March 2016. These services complement the Kamui services using five-car 789-1000 series EMUs.

Formations

(There is no information on the Lilac service formations yet.)

December 2002 – December 2005

Car No. 1 2 3 4 5 6 7 8
Designation Tsc M1 M2 M3 Tc' M2 M3 Tc'
Numbering KuRoHa 789-100 MoHa 788-100 MoHa 789-200 MoHa 788-200 KuHa 789-200 MoHa 789-200 MoHa 788-200 KuHa 789-200

Cars 2, 4, and 7 were each fitted with one N-PS789 single-arm pantograph.[4]

December 2005 – March 2016

Car No. 1 2 3 4 5 6 7 8
Designation Tsc M1 T M2 M3 Tc' M3j Tc'
Numbering KuRoHa 789-100 MoHa 788-100 SaHa 789-100 MoHa 789-200 MoHa 788-200 KuHa 789-200 MoHa 788-300 KuHa 789-300
Weight (t) 39.0 42.0 34.5 42.0 43.0 38.0 43.0 38.0
Capacity 29 (15 Grn + 14 Std) 60 68 64 68 56 68 56

Cars 2, 5, and 7 are each fitted with one N-PS789 single-arm pantograph.[6]

Interior

  • Green class saloon of KuRoHa 789-100 car, August 2011
    Green class saloon of KuRoHa 789-100 car, August 2011
  • Interior of MoHa 788-100 car, August 2011
    Interior of MoHa 788-100 car, August 2011
  • Interior of MoHa 789-200 car, August 2011
    Interior of MoHa 789-200 car, August 2011
  • Green class saloon of KuRoHa 789-100 car, May 2021
    Green class saloon of KuRoHa 789-100 car, May 2021
  • Interior of KuRoHa 789-100 car, May 2021
    Interior of KuRoHa 789-100 car, May 2021
  • Interior of KuHa 789-200 car, May 2021
    Interior of KuHa 789-200 car, May 2021

Kamui and Suzuran 789-1000 series

789-1000 series on a Super Kamui/Airport service in January 2009

Seven 5-car 789-1000 series sets, HL-1001–1007, were delivered to Sapporo Depot between June and September 2007, and these entered service from 1 October 2007 on new Super Kamui (currently known as Kamui) limited express services between Sapporo and Asahikawa, and on Airport rapid services between Sapporo and New Chitose Airport in conjunction with 785 series EMUs. These replaced the Lilac services formerly operated by 781 series EMUs.[3][6]

The 789-1000 sets differ from the earlier Super Hakuchō and Kamui sets in not having gangway doors beneath the driving cabs.[1]

Set HL-1005 was withdrawn in March 2011 following damage sustained in a level crossing collision on 29 January 2010.[4]

These entered service from 1 November 2013 on new Suzuran limited express services between Sapporo and Muroran.

From the start of the revised timetable on 4 March 2017, Super Kamui services were renamed simply Kamui, and are complemented by newly introduced Lilac limited express services, which uses six-car 789-0 series EMUs.

Formations

Car No. 1 2 3 4 5
Designation Tc1 M T Mu Tc2
Numbering KuHa 789-1000 MoHa 789-1000 SaHa 788-1000 MoHa 789-2000 KuHa 789-2000
Weight (t) 39.0 40.5 41.0 42.0 39.0
Capacity 52 64 68 49 50

Car 3 is fitted with one N-PS785 single-arm pantograph.[6]

Interior

The 789-1000 series trainsets do not include Green class (first class) accommodation, but car 4 is designated as a "u-Seat" car with improved seating for reserved seat passengers. All other cars are normally designated as non-reserved seating.[7]

  • Interior view, May 2008
    Interior view, May 2008
  • Interior view of "u-Seat" car, September 2007
    Interior view of "u-Seat" car, September 2007

References

  1. ^ a b 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.
  2. ^ JR北海道789系新形特急電車 [JR Hokkaido 789 series new limited express vehicle]. Japan Railfan Magazine (in Japanese). Vol. 42, no. 499. Japan: Koyusha Co., Ltd. November 2002. p. 75.
  3. ^ a b Haraguchi, Takayuki (2009). Encyclopedia of JR's Railway Cars: JR全車輌. Japan: Sekai Bunka. p. 53. ISBN 978-4-418-09905-4.
  4. ^ a b c d JR特急電車編成表 1987～2012 [JR Limited Express EMU Formations - 1987-2012]. Japan: JRR. February 2012. pp. 69–71. ISBN 978-4-330-27012-8.
  5. ^ JR電車編成表 2012夏 [JR EMU Formations - Summer 2012]. Japan: JRR. May 2012. p. 9. ISBN 978-4-330-28612-9.
  6. ^ a b c JR電車編成表 2010夏 [JR EMU Formations - Summer 2010]. Japan: JRR. May 2010. ISBN 978-4-330-14310-1.
  7. ^ JR Timetable, March 2010 issue
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