JR Freight Class EH800

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Class EH800
300px
The first full-production locomotive, EH800-1, on delivery, June 2014
Type and origin
Power type Electric
Builder Toshiba
Build date 2012–
Specifications
UIC class Bo-Bo+Bo-Bo
Gauge 1,067 mm (3 ft 6 in)
Bogies FD7[1]
Wheel diameter 1,120 mm (44 in)[1]
Length 25,000 mm (82 ft 0 in)[1]
Width 2,808 mm (9 ft 3 in)[1]
Loco weight 134.4 t[1]
Electric system(s) 20/25 kV AC, 50 Hz[1]
Safety systems ATS-SF, ATC-L (DS-ATC)[1]
Performance figures
Maximum speed 110 km/h (70 mph)[1]
Power output <templatestyles src="Plainlist/styles.css"/>
  • 4 MW (5,400 hp) at 25 kV[1]
  • 3.04 MW (4,080 hp) at 20 kV[2]
Tractive effort 240.5 kN (54,100 lbf)[1]
Career
Operators JR Freight
Number in class 16 (as of January 2016)
Delivered January 2013
First run July 2014

The Class EH800 (EH800形?) is a Bo'Bo'+Bo'Bo' wheel arrangement multi-voltage AC two-unit electric locomotive type operated by Japan Freight Railway Company (JR Freight) in Japan hauling freight trains on the Kaikyō Line through the Seikan Tunnel separating mainland Honshu with the northern island of Hokkaido. A prototype locomotive was delivered in January 2013 for evaluation and testing, with full-production locomotives delivered from June 2014, entering service from July 2014.

Background

In order to allow Hokkaido Shinkansen services to operate through the dual-gauge Seikan Tunnel (which commenced on 26 March 2016), the overhead line system voltage was raised from the narrow gauge standard of 20 kV AC to the standard shinkansen power supply of 25 kV AC. A fleet of approximately 20 new dual-voltage locomotives capable of operating under either 20 kV or 25 kV was therefore required to replace the Class ED79 and Class EH500 locomotives previously used to haul freight and overnight sleeping car services through the tunnel.[3] These locomotives are also compatible with the digital ATC and feature digital train wireless communications.[3] The total cost of manufacturing the fleet of locomotives together with construction of new maintenance depot facilities was approximately 19 billion yen.[4]

Design

File:EH800-1 (No 2 end) Kita-Fuchu 20140620.JPG
EH800-1 viewed from No. 2 end, June 2014

The Bo'Bo'+Bo'Bo' wheel arrangement locomotives are painted in an all-over red livery with a white bodyside line and silver wavy line.[5]

Operations

The locomotives operate between Higashi-Aomori Freight Terminal and Goryōkaku Freight Terminal via the Kaikyō Line and Seikan Tunnel.[4]

History

Design of the prototype locomotive, EH800-901, began in fiscal 2010,[4] and the completed locomotive was unveiled to the press at the Toshiba factory in Fuchū, Tokyo, on 27 November 2012.[6] It was delivered to JR Freight in Sendai in January 2013.[7] Following delivery, the prototype locomotive was tested within the confines of Higashi-Fukushima Station before being moved to Goryōkaku Depot in Hokkaido for testing in winter conditions.[8]

The first full-production locomotive was delivered in June 2014.[9] This entered revenue service on 16 July 2014.[10]

Fleet list

File:EH800-1 Higashi-Kunebetsu 20140719.jpg
EH800-1 in service in July 2014
File:EH800-11 electric locomotive oshimatoubetsu station.JPG
EH800-11 in service in March 2016
Number Manufacturer Date delivered Remarks
EH800-901 Toshiba January 2013 Prototype
EH800-1 Toshiba June 2014 Full-production locomotives
EH800-2 Toshiba July 2014
EH800-3 Toshiba August 2014
EH800-4 Toshiba September 2014
EH800-5 Toshiba October 2014
EH800-6 Toshiba December 2014
EH800-7 Toshiba February 2015[11]
EH800-8 Toshiba February 2015[12]
EH800-9 Toshiba April 2015[13]
EH800-10 Toshiba May 2015
EH800-11 Toshiba June 2015[14]
EH800-12 Toshiba July 2015[15]
EH800-13 Toshiba September 2015[16]
EH800-14 Toshiba November 2015[17]
EH800-15 Toshiba January 2016[18]
EH800-16 Toshiba February 2016[19]

See also

References

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  4. ↑ 4.0 4.1 4.2 Lua error in package.lua at line 80: module 'strict' not found.
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  14. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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  19. ↑ Lua error in package.lua at line 80: module 'strict' not found.

Further reading

  • Lua error in package.lua at line 80: module 'strict' not found.

External links

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