KiHa 122 series

Japanese train type From Wikipedia, the free encyclopedia

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]

ManufacturerNiigata Transys[1]
Constructed2008–2009
Entered service2009
Number built
  • 19 vehicles
    • 7 × KiHa 122
    • 6 × KiHa 127
Quick facts Manufacturer, Constructed ...
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)
OperatorJR-West
DepotHimeji
Line 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 moverSA6D140HE-2[3]
Power outputPer engine: 331 kW (444 hp) at 2,100 rpm[3]
TransmissionHydraulic
HVACWAU707 ×2
BogiesWDT65 (driving), WTR248 (trailing)
Braking systemsEngine brake, electronically controlled pneumatic brakes
Safety systemATS-SW
Track gauge1,067 mm (3 ft 6 in)
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Exterior

The body design features improved crash resistance, based on the 223 series electric multiple unit design. The cars use environmentally-friendly diesel engines with reduced NOx and particulate emissions.[6]

Externally, the units are finished in unpainted metal with thin yellow and red waistline stripes.[4]

  • WTR248 trailer bogie
    WTR248 trailer bogie

Interior

Internally, the cars feature flip-over reversible seating arranged 2+1 abreast. Toilets in both types of train are wheelchair-accessible, and the step between the passenger compartment and station platform has been eliminated.[6]

  • KiHa 127 interior
    KiHa 127 interior
  • KiHa 127 forward view showing LED fare board for wanman driver-only operation
    KiHa 127 forward view showing LED fare board for wanman driver-only operation
  • KiHa 127 toilet
    KiHa 127 toilet

Formations

The KiHa 122 single-car units and KiHa 127 two-car units are formed as follows.[7]

KiHa 122 series (single-car unit)

The KiHa 122 series uses a diesel engine with a small lithium-ion battery (18 kWh) that is used to power auxiliary machines in the train.[8]

KiHa 122 series single-car unit at Harima-Shingu Station in April 2009
More information Designation, Numbering ...
Designation cMc
Numbering KiHa 122-0
Weight (t) 40.5
Capacity
Total/seated		 113/33
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(Equipped with toilet)

KiHa 127 series (2-car units)

More information Designation, Numbering ...
Designation Mc1 Mc2
Numbering KiHa 127-0 KiHa 127-1000
Weight (t) 38.5 37.5
Capacity
Total/seated		 130/41 138/51
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(KiHa 127-0 is equipped with a toilet.)

Derivatives

References

External links

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