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JNR Class DD16

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Class DD16
JR East DD16 11 in service in May 2009
Type and origin
Power typeDiesel-hydraulic
BuilderJNR (Nagano), Kawasaki Heavy Industries, Nippon Sharyo
Build date1971–1975
Total produced65
Rebuild date1979-1983
Number rebuilt4
Specifications
Configuration:
​
 • UICBo-Bo
Gauge1,067 mm (3 ft 6 in)
BogiesDT113
Wheel diameter860 mm (2 ft 10 in)
Length11,840 mm (38 ft 10 in)
Width2,805 mm (9 ft 2.4 in)
Height3,925 mm (12 ft 10.5 in)
Axle load12 t
Loco weight48.0 t
Fuel typeDiesel
Fuel capacity1,550 l
Engine typeDML61Z
TransmissionHydraulic
Performance figures
Maximum speed75 km/h (45 mph)
Power output800 hp (600 kW)
Tractive effort14,400 kgf (141,000 N; 32,000 lbf)
Career
Operators
Number in class1 (as of 1 April 2016)
Delivered1971
Preserved7
DispositionIn service

The Class DD16 (DD16形) is a four-axle Bo-Bo wheel arrangement diesel-hydraulic locomotive type operated in Japan since 1972. A total of 65 locomotives were built between 1971 and 1975, and as of 1 April 2016, one locomotive remains in service, operated by East Japan Railway Company (JR East).

Variants

A total of 65 locomotives were built between 1971 and 1975.[1]

  • Class DD16-0: 65 locomotives built between 1971 and 1975
  • Class DD16-300: 4 locomotives converted from DD16-0 locomotives between 1979 and 1983 to become self-propelled snowplough units[2]

Design

The Class DD16 was designed to replace the Class C12 and C56 steam locomotives on non-electrified rural lines where locomotives with a low axle load were required.[2] The design featured an offset centre-cab arrangement using the same DML61Z diesel engine used in the Class DD51 locomotives, derated from 1,000 hp (750 kW) to 800 hp (600 kW).[2]

History

The first two locomotives, DD16 1 and 2, were built at the Japanese National Railways (JNR) Nagano factory, and these were tested on the Koumi Line and Iida Line.[1]

Between 1979 and 1983, four locomotives (DD16 2, 5, 4, and 13) were converted at JNR's Nagano and Matto workshops to become self-propelled snowplough units, numbered DD16 301 to 304, with the addition of bogie snowplough units on either end.[3]

  • Snowplough unit DD16 303 in service on the Oito Line in February 1991
    Snowplough unit DD16 303 in service on the Oito Line in February 1991

With the closure of may rural lines and discontinuation of rural freight services in the 1980s, many of the class were withdrawn from operation and scrapped.[1]

With the privatization of JNR in April 1987, just ten Class DD16 locomotives remained in service, transferred to operation by JR Group operating companies.[4]

By 1 April 1995, seven locomotives were still in service, with four (DD16-0 and DD16-300) operated by East Japan Railway Company (JR East), two (DD16-0) operated by Kyushu Railway Company (JR Kyushu), and one (DD16-300) operated by West Japan Railway Company (JR West).[3]

  • JR East DD16 20 in October 1999 at Omiya Works, where it was used as a works shunter, repainted in "Hokutosei" blue livery
    JR East DD16 20 in October 1999 at Omiya Works, where it was used as a works shunter, repainted in "Hokutosei" blue livery
  • JR East DD16 36 in August 1994 at Omiya Works, where it was used as a works shunter, repainted in "Hokutosei" maroon livery
    JR East DD16 36 in August 1994 at Omiya Works, where it was used as a works shunter, repainted in "Hokutosei" maroon livery
  • JR Kyushu DD16 62 at Kagoshima Depot in August 1998
    JR Kyushu DD16 62 at Kagoshima Depot in August 1998

As of 1 April 2016, one locomotive, DD16 11, remains in service, operated by JR East.[5]

Preserved examples

As of 2014, seven Class DD16 locomotives are preserved.[6]

  • DD16 7 on the Wakasa Railway
    DD16 7 on the Wakasa Railway
  • DD16 15 at the Mikasa Railway Park in May 2007
    DD16 15 at the Mikasa Railway Park in May 2007
  • DD16 17 at the Otaru Museum in August 2009
    DD16 17 at the Otaru Museum in August 2009
  • DD16 31 inside the "Memorial Ship Hakkoda" in Aomori in September 2014
    DD16 31 inside the "Memorial Ship Hakkoda" in Aomori in September 2014
  • DD16 20 in Taiwan in August 2009, where it was used on the Taiwan High Speed Line
    DD16 20 in Taiwan in August 2009, where it was used on the Taiwan High Speed Line

Classification

Main article: Japan Railways locomotive numbering and classification

The DD16 classification for this locomotive type is explained below.

  • D: Diesel locomotive
  • D: Four driving axles
  • 16: Locomotive with maximum speed of 85 km/h or less

References

  1. ^ a b c 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. 172–173. ISBN 978-4-381-10338-3.
  2. ^ a b c Ishii, Yoshitaka (2004). Dd51物語: 国鉄ディーゼル機関車2400両の開発と活躍の足跡 DD51物語 [The DD51 Story] (in Japanese). Tokyo, Japan: JTB Can Books. p. 139, 188. ISBN 978-4-533-05661-1.
  3. ^ a b JR全車輛ハンドブック1995 [JR Rolling Stock Handbook 1995] (in Japanese). Japan: Neko Publishing. 1995. p. 63–64.
  4. ^ 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] (in Japanese). Japan: Ikaros Publications Ltd. 20 June 2013. p. 91. ISBN 9784863207271.
  5. ^ Miyahara, Masakazu, ed. (December 2016). 国鉄最終章LAST　(鉄道ジャーナル2017年2月号別冊) [JNR - The Final Chapter (Railway Journal February 2017 Extra issue)] (in Japanese). Japan: Railway Journal. p. 39–41. ASIN B01N59AJPB. ISSN 0288-2337.
  6. ^ Sasada, Masahiro (25 November 2014). 国鉄&jr 保存車大全 2015-2016 国鉄&JR保存車大全2015-2016 [JNR & JR Preserved Rolling Stock Complete Guide 2015-2016] (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. p. 123. ISBN 978-4863209282.
  7. ^ Shibata, Togo (February 2016). 2016年「津山まなびの鉄道館」としてリニューアルオープン [Reopening in 2016 as "Tsuyama Railroad Educational Museum!]. Tetsudo Daiya Joho Magazine (in Japanese). Vol. 45, no. 382. Japan: Kotsu Shimbun. p. 46–47.
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