JNR Class EF81
The Class EF81 is a six-axle Bo-Bo-Bo wheel arrangement multi-voltage AC/DC electric locomotive type operated on passenger and freight services in Japan since 1968. As of 1 April 2016, 44 locomotives remained in service, operated by JR Freight, JR East, and JR West.
JR East EF81 137 in August 2010
- EF81-0: Numbers EF81 1 – 152, built 1968–1979
- EF81-300: Numbers EF81 301 – 304, built 1973–1975
- EF81-400: Numbers EF81 401 – 414
- EF81-450: Numbers EF81 451 – 455, built 1991–1992
- EF81-500: Numbers EF81 501 – 503, built 1989
- EF81-600: Former EF81-0 locomotives renumbered by JR Freight from May 2012
152 locomotives were built from 1968 to 1979 in three batches and numbered EF81 1 to EF81 152. 14 EF81-0 locomotives were later modified to become Class EF81-400. The prototype locomotive, EF81 1, was built by Hitachi, and delivered in 1968. Locomotives EF81 137 onward were built with sun-visor plates above the cab windows. These were also subsequently retro-fitted to locomotives EF81 133 to 136.
From May 2012, JR Freight locomotives not fitted with driving recording units mandated for operations over 100 km/h (60 mph) were renumbered by adding "600" to the running number to differentiate them from the other members of the sub-class fitted.
Four locomotives were built between 1973 and 1975 by Hitachi with unpainted corrugated stainless steel bodies for use on services through the undersea Kanmon Tunnel to Kyushu. In 1978, locomotives EF81 301 and 302 were transferred to the Joban Line in 1978, and received the standard JNR AC/DC livery of pale red.
As of 1 April 2016, only one Class EF81-300 locomotive remained in service, EF81 303, operated by JR Freight and based at Moji Depot.
14 locomotives were built in 1986 and 1987 and to replace ageing Class EF30 hauling services through the Kanmon Tunnel. Although some locomotives operating on a few "Blue Train" services served some railway lines in Kyushu, in particular sections of the Kagoshima Main Line and the Nippō Main Line as well as the entire Nagasaki Main Line.
As of 1 April 2016, three Class EF81-400 locomotives remained in service, EF81 403/404/406, all operated by JR Freight and based at Moji Depot.
As of 1 April 2016, all five Class EF81-450 locomotives remained in service, operated by JR Freight and based at Moji Depot.
As of 1 April 2016, all three Class EF81-500 locomotives remained in service, operated by JR Freight and based at Moji Depot.
These are former Class EF81-0 locomotives renumbered from May 2012 by JR Freight to differentiate them from locomotives fitted with driving recording units mandated for operations over 100 km/h (60 mph).
As of 1 April 2016, 14 Class EF81-600 locomotives remained in service, operated by JR Freight and based at Moji and Toyama Depots.
As of April 2016, four members of the class are preserved.
- EF81 10: Preserved at the Hakuba Mini Train Park in Hakuba, Nagano (front section only).
- EF81 63: Kept at JR Freight's training centre in Shinagawa, Tokyo. (Not on public display)
- EF81 103: Preserved at the Kyoto Railway Museum in Twilight Express green livery.
- EF81 138: Preserved privately in Chikusei, Ibaraki, since December 2015.
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- "EF81 138". Tetsudo Hobidas (in Japanese). Japan: Neko Publishing Co., Ltd. 2 February 2016. Archived from the original on 17 January 2017. Retrieved 16 January 2017.
- 関東鉄道キハ100形2両が保存先へ陸送される [Two Kanto Railway Kiha 100 cars moved to preservation location]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 16 January 2017. Archived from the original on 16 January 2017. Retrieved 16 January 2017.
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