KiHa 122 series

KiHa 122/127 series
KiHa 127 series 2-car DMU near Oichi Station in September 2019
ManufacturerNiigata Transys[1]
Constructed2008–2009
Entered service2009
Number built
  • 19 vehicles
    • 7 × KiHa 122
    • 6 × KiHa 127
Number in service19 vehicles
Formation
  • KiHa 122: Single car unit
  • KiHa 127: 2 cars per unit
Capacity
  • KiHa 122: 113 (33 seated)
  • KiHa 127: 268 (92 seated)
OperatorsJR-West
DepotsHimeji
Lines servedK Kishin Line
Specifications
Car body constructionStainless steel
Car length
  • KiHa 122: 20,440 mm (67 ft 1 in)
  • KiHa 127: 20,270 mm (66 ft 6 in)
Width2,900 mm (9 ft 6 in)
Height4,040 mm (13 ft 3 in)
DoorsTwo pairs per side
Maximum speed100 km/h (62 mph)[2]
Prime mover(s)SA6D140HE-2[3]
Power outputPer engine: 331 kW (444 hp) at 2,100 rpm[3]
TransmissionHydraulic
HVACWAU707 ×2
BogiesWDT65 (driving), WTR248 (trailing)
Braking system(s)Engine brake, electronically controlled pneumatic brakes
Safety system(s)ATS-SW
Track gauge1,067 mm (3 ft 6 in)

The KiHa 122 series (キハ122系, Kiha-122-kei) and KiHa 127 series (キハ127系, Kiha-127-kei) are diesel multiple unit (DMU) train types operated by West Japan Railway Company (JR-West) on the Kishin Line between Himeji and Kōzuki. A total of 19 cars have been delivered, formed as seven single-car KiHa 122 series units and six two-car KiHa 127 series units.[2] Test-running commenced in late September 2008,[4] with the units entering revenue-earning service from the start of the revised timetable on 14 March 2009.[5]

  1. ^ キハ127+キハ122，網干へ回送 [KiHa 127 & 122 moved to Aboshi]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 2 October 2008. Retrieved 14 March 2012.
  2. ^ a b JR西日本 キハ１２２形・キハ１２７形を姫新線に導入 [JR-West to introduce KiHa122/127 on Kishin Line]. Tetsudō Daiya Jōhō magazine. Vol. 37, no. 294. Japan: Kōtsū Shimbun. September 2008. p. 70.
  3. ^ a b キハ１２２・１２７系 気動車 [KiHa 122/127 series DMU]. Japan Railfan Magazine. Vol. 49, no. 573. Japan: Kōyūsha Co., Ltd. January 2009. pp. 68–72.
  4. ^ キハ127+キハ122が試運転 [KiHa 125 + KiHa 122 Test run]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 22 September 2008. Retrieved 14 March 2012.
  5. ^ Yomiuri Shimbun: 新型高速ディーゼル登場姫新線 (15 March 2009). Retrieved on 18 March 2009 (in Japanese) [dead link]