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JNR Class DD14
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JNR Class DD14

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Class DD14
JRE DD14 327 DD14 332.JPG
JR East DD14 327 and 332 in action in February 2012
Type and origin
Power type Diesel-hydraulic
Builder Kisha Seizō, Kawasaki
Build date 1961-1979
Total produced 43
Specifications
Configuration:
 • AAR B-B
 • UIC B'B'
Gauge 1,067 mm (3 ft 6 in)
Train heating None
Safety systems ATS-SN
Performance figures
Maximum speed 70 km/h (45 mph)
Career
Operators
Locale Japan
Last run 24 February 2015
Preserved 4
Disposition Withdrawn

The Class DD14 (DD14形) was a B'B' wheel arrangement diesel-hydraulic locomotive type operated in Japan as a self-propelled rotary snowplough unit from 1961 to 2015 by the national railway company Japanese National Railways (JNR), and later by East Japan Railway Company (JR East). West Japan Railway Company (JR West), and Hokkaido Railway Company (JR Hokkaido).

Design

Based on the earlier Class DD13 6th-batch locomotives, the Class DD14 was a single-end-cab design with a rotary snowplough unit at the cab end. It was the first diesel-powered rotary snowplough built by JNR. The locomotives had two 500 hp (370 kW) diesel engines. One engine could be used for propulsion with the other driving the rotary snowplough unit, giving a snow-clearing capacity of approximately 3,000 tonnes per hour, or the unit could be operated in multiple with a second locomotive allowing both engines to drive the rotary snowplough, giving a snow-clearing capacity of approximately 4,000 tonnes per hour.

Variants

History

By 2005, only nine locomotives remained in service, all operated by JR East. The last remaining locomotives in service, DD14 327 and 332, based at JR East's Nagaoka Depot, made their final run on 24 February 2014.

Fleet list

Locomotive number Manufacturer Year built Works no. Date withdrawn
DD14 1 Kisha Seizō 1961 2861 ?
DD14 2 Kisha Seizō 1961 2907 30 December 1985
DD14 3 Kisha Seizō 1961 2908 10 September 1996
DD14 4 Kisha Seizō 1965 3152 ?
DD14 5 Kisha Seizō 1965 3153 ?
DD14 6 Kisha Seizō 1965 3154 1 December 1994
DD14 7 Kisha Seizō 1965 3155 1 June 1995
DD14 8 Kisha Seizō 1965 3171 5 November 1998
DD14 301 Kisha Seizō 1966 3222 1 August 1994
DD14 302 Kisha Seizō 1966 3223 14 February 1990
DD14 303 Kisha Seizō 1966 3224 24 March 1993
DD14 304 Kisha Seizō 1966 3225 24 March 1993
DD14 305 Kisha Seizō 1966 3226 2 April 2009
DD14 306 Kisha Seizō 1966 3227 25 July 1998
DD14 307 Kisha Seizō 1968 3260 14 February 1990
DD14 308 Kisha Seizō 1969 3261 18 June 2009
DD14 309 Kisha Seizō 1969 3410 16 June 2000
DD14 310 Kisha Seizō 1969 3437 ?
DD14 311 Kisha Seizō 1970 3486 31 March 2000
DD14 312 Kisha Seizō 1971 3528 30 December 1989
DD14 313 Kisha Seizō 1971 3541 17 March 1990
DD14 314 Kisha Seizō 1971 3542 7 April 2003
DD14 315 Kisha Seizō 1971 3543 25 December 1998
DD14 316 Kawasaki ? ? 29 March 1996
DD14 317 Kawasaki ? ? 30 May 2008
DD14 318 Kawasaki ? ? 17 March 1990
DD14 319 Kawasaki ? ? 17 December 1992
DD14 320 Kawasaki ? ? 24 March 1993
DD14 321 Kawasaki ? ? 24 March 1993
DD14 322 Kawasaki ? ? 28 January 1994
DD14 323 Kawasaki ? ? 27 September 1993
DD14 324 Kawasaki ? ? 13 July 1994
DD14 325 Kawasaki ? ? 23 April 2004
DD14 326 Kawasaki ? ? 14 June 2002
DD14 327 Kawasaki ? ? 2015
DD14 328 Kawasaki ? ? 28 September 2009
DD14 329 Kawasaki ? ? 29 March 1996
DD14 330 Kawasaki ? ? 1 November 1994
DD14 331 Kawasaki ? ? 3 July 2003
DD14 332 Kawasaki ? ? 2015
DD14 333 Kawasaki ? ? 21 June 2008
DD14 334 Kawasaki ? ? 21 May 2010
DD14 335 Kawasaki ? ? 31 March 2000

Preserved examples

As of 2012, three Class DD14 locomotives are preserved in Japan, with one locomotive sold to Taiwan High Speed Rail (THSR) in Taiwan.

Related classes

Classification

The DD14 classification for this locomotive type is explained below.

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

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