KiHa 189 series

The KiHa 189 series (キハ189系, Kiha-189-kei) is a diesel multiple unit (DMU) train type operated by West Japan Railway Company (JR-West) on Hamakaze limited express services between Osaka and Tottori since November 2010 and Biwako Express services between Osaka and Maibara since March 2014. [3]

KiHa 189 series
JRW Series Kiha 189 Hamakaze 2.jpg
KiHa 189 series on a Hamakaze service in November 2010
ManufacturerNiigata Transys
Entered service7 November 2010
Number built21 vehicles
Number in service21 vehicles (7 sets)
PredecessorKiHa 181 series
Formation3 cars per trainset
Fleet numbersH1 – H7
Capacity156 (monoclass)[1]
Line(s) servedTōkaidō Main Line, Sanyō Main Line, Bantan Line, Sanin Main Line
Car body constructionStainless steel
Car length20,870 mm (68 ft 6 in) (end cars)
20,800 mm (68 ft 3 in) (intermediate cars)
Width2,900 mm (9 ft 6 in)
Height3,650 mm (12 ft 0 in)
DoorsOne per side
Maximum speed130 km/h (81 mph)[2]
Prime mover(s)SA6D140HE-2 (x2 per car)
Power output450 hp (at 2,100 rpm) per engine
Acceleration2.0 km/h/s
Deceleration4.6 km/h/s (service), 5.2 km/h/s (emergency)
Braking system(s)Engine brake, electronically controlled pneumatic brakes
Safety system(s)ATS-SW, ATS-P
Track gauge1,067 mm (3 ft 6 in)



Trains are formed as 3-car sets, as shown below.[4]

Car No. 1 2 3
Designation Mc2 M1 Mc1
Numbering KiHa 189-1000 KiHa 188 KiHa 189
Seating capacity 60 56 40
Weight (t) 48.0 47.5 49.5


The trains are all standard-class, with a total seating capacity of 156 passengers per 3-car set. Seating is in standard 2+2 abreast configuration with a seat pitch of 970 mm, an increase of 60 mm compared with the earlier KiHa 181 series trains.[1]


The first three-car set was delivered from Niigata Transys to Fukui Depot on 19 March 2010, with test running commencing on 23 March.[5][6]

The trains entered revenue service from 7 November 2010.[7]


  1. ^ a b JR西日本 キハ189系特急型気動車 [JR-West KiHa 189 series Limited Express DMU]. Tetsudō Daiya Jōhō Magazine. Vol. 39 no. 314. Japan: Kōtsū Shimbun. June 2010. pp. 68–69.
  2. ^ JR-West press release: "特急「はまかぜ」への新型気動車の投入について" [Introduction of new diesel trains on limited express Hamakaze services] (26 March 2009) Archived 17 March 2010 at the Wayback Machine. Retrieved on 15 March 2010. (in Japanese)
  3. ^ 特急「はまかぜ」新型車両展示会の開催について [Details of new "Hamakaze" train display] (in Japanese). JR-West. 10 September 2010. Archived from the original on 14 September 2010. Retrieved 16 September 2010. CS1 maint: discouraged parameter (link)
  4. ^ キハ189系特急形気動車 [KiHa 189 series Limited Express DMU]. Japan Railfan Magazine. Vol. 50 no. 590. Japan: Kōyūsha. June 2010. pp. 66–69.
  5. ^ 甲種鉄道車両輸送計画表 [New rolling stock delivery schedule]. Tetsudō Daiya Jōhō Magazine. Vol. 39 no. 312. Japan: Kōtsū Shimbun. April 2010. p. 124.
  6. ^ キハ189系が試運転を実施 [KiHa 189 series test running starts]. Japan Railfan Magazine online (in Japanese). Koyusha Co., Ltd. 23 March 2010. Retrieved 24 March 2010. CS1 maint: discouraged parameter (link)
  7. ^ キハ189系が“はまかぜ”で営業運転を開始 [KiHa 189 series enters revenue service on "Hamakaze"]. Japan Railfan Magazine online (in Japanese). Koyusha Co., Ltd. 8 November 2010. Retrieved 8 November 2010. CS1 maint: discouraged parameter (link)

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