KiHa 181 series

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KiHa 181 series
JRW DC kiha181 Hamakaze-3.jpg
KiHa 181 series on a Hamakaze service, August 2009
In service 1968–December 2010
Manufacturer Fuji Heavy Industries, Niigata Tekkō, Nippon Sharyo
Replaced KiHa 80 series
Constructed 1968–1972
Number built 158 vehicles
Number in service None
Number preserved 3 vehicles
Operator(s) JNR (1968–1987)
JR-West (1987–2010)
JR Shikoku (1987–1993)
Myanmar Railways (2013–present)
Car body construction Steel
Car length 21,300 mm (69 ft 11 in)
Width 2,903 mm (9 ft 6.3 in)
Height 3,955 mm (12 ft 11.7 in)
Doors One per side
Maximum speed 120 km/h (75 mph)
Prime mover(s) DML30HSC
Power output 500 hp (at 1600 rpm)
Transmission Hydraulic
Bogies DT40B (driving), TR219B (trailing)
(formerly DT36B (driving), TR205B (trailing))
Braking system(s) Engine brake, CLE brake
Safety system(s) ATS-S
Track gauge 1,067 mm (3 ft 6 in)

The KiHa 181 series (キハ181系, Hyaku-hachijūichi-kei) was a diesel multiple unit (DMU) train type operated in Japan on limited express services between 1968 and 2010. Initially introduced by Japanese National Railways (JNR), the trains were later operated by West Japan Railway Company (JR-West) and Shikoku Railway Company (JR Shikoku) following privatization in 1987.


The KiHa 181 series was developed for use on limited express services on non-electrified mountainous routes, and was used on services such as the Tsubasa, Shinano, Yakumo, and Hamakaze on the main island of Honshu, and the Shiokaze and Nanpū in Shikoku.[1]


A total of 158 KiHa 181 series cars were built between 1968 and 1972.[2] On the privatization of JNR in 1987, JR-West received 94 cars, and JR Shikoku received 44 cars.[1] The KiHa 181 series trains were gradually displaced by the arrival of modern tilting diesel trains and increased electrification, and the last JR Shikoku cars were withdrawn by 1993. The last JR-West cars remained in use on Hamakaze services until November 2010 when they were replaced by new KiHa 189 series DMUs, and were finally withdrawn in December 2010.[1]


A number of former JR-West KiHa 181 series cars were shipped to Myanmar after they were withdrawn, entering service from January 2013.[3]

Preserved examples[edit]

Preserved KiHa 181 1 at Sakuma Rail Park in August 2008 before being later moved

Three KiHa 181 series cars are preserved in Japan.[4]


  1. ^ a b c "キハ181系" [KiHa 181 series]. Tetsudo Hobidas (in Japanese). Japan: Neko Publishing. 10 April 2013. Retrieved 10 April 2014. 
  2. ^ JR全車輌ハンドブック2009 [JR Rolling Stock Handbook 2009]. Japan: Neko Publishing. 2009. p. 434. ISBN 978-4-7770-0836-0. 
  3. ^ "【ミャンマー国鉄】元JR西日本キハ181系 まもなく再起" [Myanmar: Former JR-West KiHa 181 series about to be restarted]. RM News (in Japanese). Japan: Neko Publishing. 9 January 2013. Retrieved 10 April 2014. 
  4. ^ Sasada, Masahiro (September 2012). 国鉄&JR保存車大全 [JNR & JR Preserved Rolling Stock Complete Guide]. Tokyo, Japan: Ikaros Publications Ltd. p. 130. ISBN 978-4863206175.