JNR Class DF50
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The Class DF50 (DF50形) is a class of Bo-Bo-Bo wheel arrangement diesel-electric locomotives operated by Japanese National Railways (JNR) in Japan from 1957 until 1983.[1]
Variants[]
DF50-0[]
First batch of 65 locomotives built between 1957 and 1962 with Sulzer 8-cylinder 8LDA25A 1,060 hp diesel engines.[1][2] Production was shared between Kisha Seizō, Mitsubishi, and Nippon Sharyō.[2]
DF50 1 on a passenger service in 1979
DF50 65 on a freight working in 1982
DF50-500[]
Later batch of 73 locomotives built between 1958 and 1963 with MAN V6-cylinder V22/30 1,200 hp diesel engines.[1][2] Production was shared between Hitachi, Kawasaki, and Toshiba.[2]
DF50 573 on a passenger service in Shikoku in 1979
Operations[]
Class DF50 locomotives were intended for use on both passenger and freight services, and included a steam generator for train heating.[3] They operated on the following lines, including use hauling "Blue Train" sleeping car services.[2]
- Hokuriku Main Line
- Sanin Main Line
- Dosan Line (Shikoku)
- Kisei Line
- Nippo Line (Kyushu)
In later years, operations were restricted to Kyushu and Shikoku, with the remaining locomotives withdrawn in 1983, except for DF50 1, which later passed into JR Shikoku ownership.[1]
Livery[]
The locomotives were initially painted in all-over maroon with stainless steel bands, but were subsequently repainted into the standard JNR diesel locomotive livery of vermillion and grey.[2]
Preserved examples[]
Three Class DF50 locomotives were preserved.[3]
- DF50 1: Preserved at The Railway History Park in Saijo, Ehime
- DF50 4: Preserved in a park in Osaka
- DF50 18: Formerly preserved at the Modern Transportation Museum, Osaka, but moved to the Tsuyama Railroad Educational Museum in Tsuyama, Okayama in March 2015[4]
Preserved DF50 1 at The Railway History Park in Saijo in May 2015
Preserved DF50 18 at the Tsuyama Railroad Educational Museum in May 2016
Classification[]
The DF50 classification for this locomotive type is explained below.
- D: Diesel locomotive
- F: Six driving axles
- 50: Locomotive with maximum speed exceeding 85 km/h
References[]
Wikimedia Commons has media related to JNR DF50. |
- ^ Jump up to: a b c d JR全車輛ハンドブック1995 [JR Rolling Stock Handbook 1995] (in Japanese). Japan: Neko Publishing. 1995. p. 71.
- ^ Jump up to: a b c d e f Inoue, Kōichi (1999). 国鉄機関車事典: 蒸気・電気・ディーゼル機関車66形式 国鉄機関車辞典 [JNR Locomotive Encyclopedia] (in Japanese). Japan: Sankaido. p. 182–183. ISBN 978-4-381-10338-3.
- ^ Jump up to: a b Sasada, Masahiro (September 2012). 国鉄&JR保存車大全 [JNR & JR Preserved Rolling Stock Complete Guide] (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. p. 34, 127. ISBN 978-4863206175.
- ^ DF50 18が津山に向けて陸送される [DF50 18 moved to Tsuyama]. RM News (in Japanese). Japan: Neko Publishing Co., Ltd. 11 March 2015. Retrieved 11 March 2015.
- Diesel-electric locomotives of Japan
- Hitachi locomotives
- Kawasaki diesel locomotives
- Kisha Seizo locomotives
- Nippon Sharyo rolling stock
- Toshiba locomotives
- Bo-Bo-Bo locomotives
- 1067 mm gauge locomotives of Japan
- Railway locomotives introduced in 1957