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The KiYa 143 (キヤ143形) is a four-axle B-B wheel arrangement diesel-hydraulic locomotive type operated in Japan since 2014 by West Japan Railway Company (JR West).

KiYa 143
KiYa 143-2 at Kanazawa Depot in August 2016
Type and origin
Power typeDiesel-hydraulic
BuilderNiigata Transys
Build date2014–
Specifications
Configuration:
​
 • UICB-B
Gauge1,067 mm (3 ft 6 in)
BogiesWDT68
Wheel diameter860 mm (2 ft 10 in)[1]
Length
  • 19,860 mm (65 ft 2 in) (locomotive only)
  • 26,825 mm (88 ft 0.1 in) (with snowplough units)[1]
Width2,989 mm (9 ft 9.7 in)[1]
Height4,087 mm (13 ft 4.9 in)[1]
Axle load14 t
Loco weight51.8 t (locomotive only)
55.4 t (with snowplough units)[1]
Fuel typeDiesel
Fuel capacity2,000 l
Engine typeSA6D140HE-2 x2
TransmissionHydraulic
Performance figures
Maximum speed75 km/h (45 mph)[1]
Power output900 hp (670 kW)[1]
Career
Operators JR West
Number in class9 (as of 1 April 2017)
NumbersKiHa 143-1 6–
LocaleWest Japan
DeliveredFebruary 2014
First run2014
DispositionIn service

Operations


The KiYa 143 locomotives are used as self-propelled snowplough units during the winter season, replacing ageing JNR Class DD15 and JNR Class DE15 locomotives, and for hauling non-revenue services during other periods with the snowploughs removed.[1]


Design


The KiYa 143 locomotives use the same 450 hp (340 kW) diesel engines and braking systems as JR West's KiHa 189 series diesel multiple unit (DMU) trains.[1]


History


The first KiYa 143, KiYa 143-1, was delivered from Niigata Transys in February 2014.[2] This was followed by KiYa 143-2 in March 2014.[3]


Fleet status


As of 1 April 2017, nine KiYa 143 locomotives were in operation, allocated as follows.[4]

NumberDeliveredDepot allocation (as of 1 April 2017)
KiYa 143-1February 2014Kanazawa
KiYa 143-2March 2014Kanazawa
KiYa 143-319 October 2016Fukuchiyama
KiYa 143-41 November 2016Goto
KiYa 143-514 November 2016Tsuruga
KiYa 143-627 February 2017Fukuchiyama
KiYa 143-713 February 2017Goto
KiYa 143-815 March 2017Goto
KiYa 143-921 March 2017Tsuruga

Classification


While technically a diesel locomotive, the KiYa 143 is classified by JR West according to its diesel multiple unit (DMU) numbering scheme.


References


  1. キヤ143形事業用内燃動車 [KiYa 143 departmental locomotive lists]. Japan Railfan Magazine (in Japanese). Vol. 54, no. 637. Japan: Koyusha Co., Ltd. May 2014. p. 52–56.
  2. JR西日本キヤ143-1が甲種輸送される [JR West KiYa 143-1 delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 21 February 2014. Archived from the original on 13 June 2017. Retrieved 13 June 2017.
  3. JR西日本キヤ143-2が甲種輸送される [JR West KiYa 143-2 delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 13 March 2014. Archived from the original on 4 March 2016. Retrieved 13 June 2017.
  4. JR旅客会社の車両配置表 [JR passenger operating company rolling stock allocations lists]. Japan Railfan Magazine (in Japanese). Vol. 57, no. 675. Japan: Koyusha Co., Ltd. July 2017. p. 37 (supplement).




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