KiHa 122 series

{{short description|Japanese train type}}

{{Use dmy dates|date=February 2024}}

{{Infobox train

| name = KiHa 122/127 series

| image = JR West Kiha 127-2 at Oichi Station.jpg

| imagesize = 300px

| caption = KiHa 127 series 2-car DMU near Oichi Station in September 2019

| service =

| manufacturer = Niigata Transys{{cite web |url= http://railf.jp/news/2008/10/02/135100.html|script-title=ja:キハ127+キハ122，網干へ回送|trans-title=KiHa 127 & 122 moved to Aboshi|date= 2 October 2008|work= Japan Railfan Magazine Online|publisher= Koyusha Co., Ltd.|location= Japan|language= Japanese|accessdate= 14 March 2012}}

| factory =

| family =

| replaced =

| yearconstruction = 2008–2009

| yearservice = 2009

| refurbishment =

| yearscrapped =

| numberconstruction =

| numberbuilt = {{Tree list}}

• 19 vehicles
• 7 × KiHa 122
• 6 × KiHa 127

{{Tree list/end}}

| numberservice = 19 vehicles

| numberpreserved =

| numberscrapped =

| formation = {{plainlist|

• KiHa 122: Single car unit
• KiHa 127: 2 cars per unit

}}

| fleetnumbers =

| capacity = {{plainlist|

• KiHa 122: 113 {{nowrap|(33 seated)}}
• KiHa 127: 268 {{nowrap|(92 seated)}}

}}

| operator = JR-West

| depots = Himeji

| lines = {{rcb|JR West|Kishin|route}} Kishin Line

| carbody = Stainless steel

| carlength = {{plainlist|

• KiHa 122: {{nowrap|{{convert|20440|mm|ftin|abbr=on}}}}
• KiHa 127: {{nowrap|{{convert|20270|mm|ftin|abbr=on}}}}

}}

| width = {{convert|2900|mm|ftin|abbr=on}}

| height = {{convert|4040|mm|ftin|abbr=on}}

| floorheight =

| doors = Two pairs per side

| maxspeed = {{convert|100|km/h|mph|abbr=on}}

| weight =

| acceleration =

| deceleration =

| traction =

| engine = SA6D140HE-2

| poweroutput = Per engine: {{convert|331|kW|hp|abbr=on}} at 2,100 rpm{{Cite magazine| script-title=ja: キハ１２２・１２７系 気動車 |trans-title=KiHa 122/127 series DMU |magazine=Japan Railfan Magazine| publisher = Kōyūsha Co., Ltd.| location = Japan| volume = 49| issue = 573| pages =68–72| date = January 2009}}

| transmission = Hydraulic

| aux =

| powersupply =

| hvac = WAU707 ×2

| bogies = WDT65 (driving), WTR248 (trailing)

| brakes = Engine brake, electronically controlled pneumatic brakes

| safety = ATS-SW

| coupling =

| multipleworking =

| gauge = {{RailGauge|1067mm|lk=on}}

}}

The {{Nihongo|KiHa 122 series|キハ122系|Kiha-122-kei}} and {{Nihongo|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 {{STN|Himeji|x}} and {{STN|Kōzuki|x}}. 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.{{Cite magazine| script-title=ja: JR西日本 キハ１２２形・キハ１２７形を姫新線に導入 |trans-title=JR-West to introduce KiHa122/127 on Kishin Line |magazine=Tetsudō Daiya Jōhō magazine| publisher = Kōtsū Shimbun| location = Japan| volume = 37| issue = 294| page =70| date = September 2008}} Test-running commenced in late September 2008,{{cite web |url= http://railf.jp/news/2008/09/23/175300.html|script-title=ja:キハ127+キハ122が試運転|trans-title=KiHa 125 + KiHa 122 Test run|date= 22 September 2008|work= Japan Railfan Magazine Online|publisher= Koyusha Co., Ltd.|location= Japan|language= Japanese|accessdate= 14 March 2012}} with the units entering revenue-earning service from the start of the revised timetable on 14 March 2009.Yomiuri Shimbun: [http://www.yomiuri.co.jp/e-japan/hyogo/news/20090314-OYT8T01130.htm 新型高速ディーゼル登場姫新線 (15 March 2009)]. Retrieved on 18 March 2009 {{in lang|ja}} {{Dead link|date=March 2012}}