JR Freight Class EH500

Specifications
Configuration:;
• UIC	Bo′Bo′+Bo′Bo′
Gauge	1,067 mm (3 ft 6 in)
Length	25,000 mm (82 ft 0 in)
Width	2,950 mm (9 ft 8 in)
Height	3,917 mm (12 ft 10.2 in)
Loco weight	134.2 t
Electric system/s	1,500 V DC & 20 kV (50/60 Hz) AC
Traction motors	AC
Safety systems	ATS-SF

Type and origin
Power type	Electric
Builder	Toshiba
Build date	1997–

Class EH500
	EH500-31 at Koriyama Rolling Stock Centre in August 2010
Type and origin
Power type	Electric
Builder	Toshiba
Build date	1997–
Specifications
Configuration:;
• UIC	Bo′Bo′+Bo′Bo′
Gauge	1,067 mm (3 ft 6 in)
Length	25,000 mm (82 ft 0 in)
Width	2,950 mm (9 ft 8 in)
Height	3,917 mm (12 ft 10.2 in)
Loco weight	134.2 t
Electric system/s	1,500 V DC & 20 kV (50/60 Hz) AC
Traction motors	AC
Safety systems	ATS-SF
Performance figures
Maximum speed	110 km/h (70 mph)
Power output	4 MW (5,400 hp)
Tractive effort	24,551 kgf (240,760 N; 54,130 lbf)
Career
Operators	JR Freight
Number in class	82 (as of 1 March 2017)
Delivered	September 1997
Disposition	Operational

The Class EH500 (EH500形) is a Bo′Bo′+Bo′Bo′ wheel arrangement multi-system AC/DC two-unit electric locomotive type operated by JR Freight in Japan since 1997.[1][2]

Operations

The locomotives are built at the Toshiba factory in Fuchū, Tokyo. Initially, they were all based at Sendai depot for use on long-distance container trains from the Tokyo area to Hokkaido via the Tohoku Main Line, replacing DC Class EF65s south of Kuroiso, pairs of AC Class ED75s north of Kuroiso, and pairs of AC Class ED79s through the Seikan Tunnel.[1]

In 2004, locomotives EH500-25 and EH500-27 were loaned in turn to Moji depot in Kitakyushu for trials. From 2007, a number of EH500s were transferred to Moji depot for use on 1,300 tonne freight trains between Honshu and Kyushu through the Kanmon Tunnel, replacing ageing AC Class ED76s and dual-voltage EF81-300s and EF81-400s.

As of 1 April 2013, the fleet totalled 82 locomotives (EH500-901 and EH500-1 to EH500-81).[3] 12 locomotives, EH500-45 to EH500-50 and EH500-67 to EH500-72, are based at Moji Depot, and the other 70 members of the class are based at Sendai.[4]

Variants

EH500-901: Prototype
EH500-1 – 2: Pre-series 1st batch
EH500-3 – 9: Full-production 2nd batch
EH500-10 –: 3rd batch

EH500-901

The prototype, EH500-901, was delivered to Sendai depot in September 1997 for extensive testing on the Tohoku Main Line and Kaikyo Line until March 1999.[2] The livery is red and grey with black cab surrounds.[2] It joined the rest of the Class EH500 fleet for use on revenue services from the start of the March 2000 timetable revision.[2] "Kintaro Eco-Power" logos were added to the sides from December 2002.[2]

Prototype EH500-901 in November 2015

1st batch: EH500-1 and EH500-2

Two pre-series locomotives, EH500-1 and EH500-2, were delivered in March 2000.[2] These locomotives are finished in a livery of maroon and grey with black cab surrounds.[2]

EH500-2 in August 2011

2nd batch: EH500-3 to EH500-9

Built from March 2000 to January 2001. The headlamps were moved to a higher position to reduce problems of blockage by snow.[1] New "Kintaro Eco-Power" logos were added to the sides.

EH500-4 in April 2012
EH500-5 in March 2007
Inner end of EH500-3 undergoing overhaul in May 2007

3rd batch: EH500-10 onward

Locomotives from EH500-10 (delivered in August 2001) onward are painted in a revised colour scheme using bright red instead of the earlier maroon colour. The black colour around the cab windows was also discontinued.[1] Locomotives numbered EH500-15 onwards have narrower surrounds on the front-end headlight boxes, and the front-end white band is also correspondingly slightly thinner.[1]

EH500-12 in March 2003
EH500-43 in October 2010
Newly delivered EH500-68 in June 2010
EH500-38 in December 2011 with a "Cheer up Tohoku!" sticker added after the 2011 Tohoku earthquake

Classification

The EH500 classification for this locomotive type is explained below. As with previous locomotive designs, the prototype is numbered EH500-901, with subsequent production locomotives numbered from EH500-1 onward.

E: Electric locomotive
H: Eight driving axles
500: AC/DC locomotive with AC motors

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gollark: The alternate segment theorem?

gollark: Contingency -44-B.

gollark: yes.

gollark: It just says "potatOS not detected".

References

Jr機関車カタログ: Jr7社の現有30形式を詳しく解說 JR機関車カタログ [JR Locomotive Catalogue]. Japan: Ikaros Publications Ltd. 20 June 2013. pp. 72–74. ISBN 9784863207271.
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. pp. 53–54. ISBN 978-4-7770-0836-0.
Kisumi, Kenzo (April 2017). 世代交代が進むJR貨物の機関車 [Advances in handover between generations for JR Freight locomotives]. Tetsudo Club (in Japanese). Vol. 2. Japan: Cosmic Publishing. p. 98. ISBN 978-4-7747-8338-3.
Shibata, Togo (August 2016). 最新JR貨物の電気機関車と話題の貨物列車 [Latest: JR Freight electric locomotives and popular freight trains]. Tetsudo Daiya Joho Magazine (in Japanese). Vol. 45 no. 388. Japan: Kotsu Shimbun. p. 33.

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[jrloco2013-1] Jr機関車カタログ: Jr7社の現有30形式を詳しく解說 JR機関車カタログ [JR Locomotive Catalogue]. Japan: Ikaros Publications Ltd. 20 June 2013. pp. 72–74. ISBN 9784863207271.

[neko2009-2] 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. pp. 53–54. ISBN 978-4-7770-0836-0.

[tetsudoclub_vol2-3] Kisumi, Kenzo (April 2017). 世代交代が進むJR貨物の機関車 [Advances in handover between generations for JR Freight locomotives]. Tetsudo Club (in Japanese). Vol. 2. Japan: Cosmic Publishing. p. 98. ISBN 978-4-7747-8338-3.

[dj388-4] Shibata, Togo (August 2016). 最新JR貨物の電気機関車と話題の貨物列車 [Latest: JR Freight electric locomotives and popular freight trains]. Tetsudo Daiya Joho Magazine (in Japanese). Vol. 45 no. 388. Japan: Kotsu Shimbun. p. 33.