JR Freight Class EF510

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Class EF510
JRE EF510-501 and JRF EF510-1 in Omiya 20100522.jpg
JR East EF510-501 and JR Freight EF510-1, May 2010
Type and origin
Power typeElectric
BuilderKawasaki Heavy Industries
Build date2001–
 • UICBo-Bo-Bo
Gauge1,067 mm (3 ft 6 in)
BogiesFD7N (outer), FD8A (centre)
Length19,800 mm (64 ft 11+12 in)
Width2,970 mm (9 ft 8+78 in)
Height4,280 mm (14 ft 12 in)
Loco weight100.8 t
(99.2 long tons; 111.1 short tons)
Electric system/s1,500 V DC &
20 kV AC at 50/60 Hz
overhead wire
Current pickup(s)pantograph
Traction motorsFMT4 x 6
Safety systemsATS-PF, ATS-SF (JR Freight)
Performance figures
Maximum speed110 km/h (70 mph)
Power output3,390 kW (4,550 hp)
Tractive effort199 kN (45,000 lbf)
Number in class40 (as of 1 April 2016)
First run2002

The Class EF510 (EF510形) is a Bo-Bo-Bo wheel arrangement multi-voltage AC/DC electric locomotive type operated by JR Freight and East Japan Railway Company (JR East) in Japan since 2002.[1] As of 1 April 2016, the fleet consists of 38 locomotives (24 EF510-0s and 16 EF510-500s), all based at Toyama Depot.[2]


The design used many components common with the Class EF210, and was intended to replace ageing Class EF81 locomotives on freight services operating along the Sea of Japan coastal routes.[3]


  • EF510-0: Locomotives EF510-1 – built from 2001 for JR Freight
  • EF510-500: Locomotives EF510-501 – 515, built 2009–2010 originally for JR East

The class is subdivided into the original EF510-0 sub-class operated by JR Freight and fifteen EF510-500 sub-class locomotives ordered and originally operated on passenger services by JR East. As of 1 October 2013, there were 23 EF510-0 locomotives and 15 EF510-500 locomotives in service.

Class EF510-0[edit]

The first locomotive, EF510-1, was delivered in February 2002 and initially based at Shin-Tsurumi Depot[4] before being transferred to Toyama Depot in 2002.[3] The first full-production locomotive, EF510-2, was delivered in November 2003, and this and subsequent locomotives delivered featured "Red Thunder" bodyside branding.[3]

Class EF510-500[edit]

JR East EF510-510 in Cassiopeia livery at Oku Depot open day, November 2010
JR East EF510-501 hauling a Hokutosei sleeping car service, September 2010
JR East EF510-510 on a Joban Line freight working, January 2013
EF510-504 following transfer to JR Freight, March 2015

The EF510-500 subclass consists of 15 locomotives originally operated by East Japan Railway Company (JR East), which replaced its fleet of EF81 locomotives formerly used to haul Cassiopeia and Hokutosei overnight sleeping car trains from June 2010.

These were the first locomotives to be ordered by any of the JR passenger operating companies since privatization.[5] The new locomotives cost around 400 million yen each.[6] The first locomotive, EF510-501, was delivered from the Kawasaki Heavy Industries factory in Hyogo Prefecture on 18 December 2009, arriving at Tabata Depot in Tokyo on 19 December. Livery was blue with gold lining and shooting star logo.[7]

Two of the fifteen locomotives (EF510-509 and EF510-510) were painted in a dedicated colour scheme of silver with blue, purple, red, orange, and yellow stripes, to match the Cassiopeia rolling stock.[8]

The first locomotive, EF510-501, entered service on 25 June 2010.[9]

From the start of the revised timetable in March 2013, Joban Line freight duties operated by JR East EF510-500 locomotives were operated instead by JR Freight Class EH500 locomotives,[10] and locomotive numbers EF510-501 to 508 and 511 became surplus to requirements. These nine locomotives were subsequently sold to JR Freight in July 2013.[11] Locomotives EF510-512, 513, and 515 were also transferred to JR Freight in December 2015.[12]

Build details[edit]

The delivery dates and liveries for the Class EF510-500 fleet are as follows.[13][14]

Number Delivered Livery Transfer to JR Freight
EF510-501 25 December 2009 Hokutosei blue July 2013
EF510-502 26 January 2010 Hokutosei blue July 2013
EF510-503 20 April 2010 Hokutosei blue July 2013
EF510-504 7 May 2010 Hokutosei blue July 2013
EF510-505 19 May 2010 Hokutosei blue July 2013
EF510-506 2 June 2010 Hokutosei blue July 2013
EF510-507 15 June 2010 Hokutosei blue July 2013
EF510-508 25 June 2010 Hokutosei blue July 2013
EF510-509 9 July 2010 Cassiopeia silver March 2016
EF510-510 22 July 2010 Cassiopeia silver March 2016
EF510-511 6 August 2010 Hokutosei blue July 2013
EF510-512 27 August 2010 Hokutosei blue December 2015
EF510-513 10 September 2010 Hokutosei blue December 2015
EF510-514 20 October 2010 Hokutosei blue February 2016
EF510-515 8 October 2010 Hokutosei blue December 2015
EF510-516 7 November 2010 Hokutosei blue February 2016


The EF510 classification for this locomotive type is explained below.

  • E: Electric locomotive
  • F: Six driving axles
  • 510: AC/DC locomotive with AC motors


  1. ^ ELダイヤ情報21 [Electric Loco Timetable Information 21]. Tokyo, Japan: Kotsu Shimbunsha. October 2012. pp. 48–49. ISBN 978-4330320120.
  2. ^ 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.
  3. ^ a b c 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. p. 52. ISBN 978-4-7770-0836-0.
  4. ^ JR車両のデータバンク2001/2002 [JR Rolling Stock Databank 2001/2002]. Japan Railfan Magazine. Vol. 42 no. 496. Japan: Koyusha Co., Ltd. August 2002. p. 96.
  5. ^ 新型電気機関車「EF510形」導入へ JR東日本 [JR East to introduce Class EF510]. Sankei News (in Japanese). Japan: The Sankei Shimbun & Sankei Digital. 2 December 2008. Archived from the original on 10 February 2009. Retrieved 24 December 2013.
  6. ^ "JR東 寝台特急用の電気機関車を新製" [JR East to build new electric locomotives for sleeping car trains]. Tetsudo.com (in Japanese). Japan: Asahi Interactive, Inc. 5 December 2008. Retrieved 24 December 2013.
  7. ^ "JR東日本のEF510-501,登場" [JR East EF510-501 appears]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 18 December 2009. Retrieved 24 December 2013.
  8. ^ Natori, Noriyuki (3 March 2010). EF510形500番代を正式発表 [EF510-500 officially announced]. Hobidas (in Japanese). Neko Publishing. Retrieved 24 December 2013.
  9. ^ EF510 500番代による〈カシオペア〉牽引開始 [Start of EF510-500 haulage for Cassiopeia services]. Hobidas (in Japanese). Neko Publishing. 25 June 2010. Retrieved 24 December 2013.
  10. ^ さらば田端運転所の客貨両用運用 [End of Tabata Depot Passenger/Freight Duties]. Japan Railfan Magazine (in Japanese). Vol. 53 no. 627. Japan: Koyusha Co., Ltd. July 2013. pp. 69–71.
  11. ^ JRグループ車両のデータバンク2013上半期 [JR Group Rolling Stock Databank - 2013 1st half]. Japan Railfan Magazine (in Japanese). Vol. 54 no. 634. Japan: Koyusha Co., Ltd. February 2014. p. 210.
  12. ^ JR車両のうごき [JR rolling stock changes]. Tetsudō Daiya Jōhō Magazine (in Japanese). Vol. 45 no. 383. Japan: Kōtsū Shimbun. March 2016. p. 127.
  13. ^ Ishido, Ryota (March 2013). EF510-500パーフェクトガイド [EF510-500 Complete Guide]. Rail Magazine (in Japanese). No. 354. Japan: Neko Publishing Co., Ltd. p. 75.
  14. ^ Jr気動車客車編成表 2016 JR気動車客車編成表 2016 [JR DMU & Coaching Stock Formations - 2016] (in Japanese). Japan: Kotsu Shimbunsha. 22 June 2016. p. 128. ISBN 978-4-330-69016-2.

External links[edit]