{{short description|Japanese train type}} {{For|the 181 series diesel multiple unit trains|KiHa 181 series}} {{refimprove|date=August 2016}} {{Infobox train | name = 151/161/181 series | image = 181 toki.jpg | imagesize = 300px | caption = A JNR 181 series train on a ''[[Toki (train)|Toki]]'' service in 1982 | stocktype = Electric multiple unit | service = 1958&ndash;1982 | manufacturer = [[Kawasaki Heavy Industries]], [[Kinki Sharyo]], [[Toshiba]] | factory = | family = | replaced = | yearconstruction = 1958&ndash;1963 | yearservice = 1 November 1958 | refurbishment = | yearscrapped = 1986 | numberconstruction = | numberbuilt = | numberservice = | numberpreserved = | numberscrapped = | formation = | fleetnumbers = | capacity = | operator = [[JNR]] | depots = | lines = | carbody = Steel | carlength = {{Plainlist| * Cab cars: {{cvt|21,250|mm|ftin}} * Intermediate cars: {{cvt|20,500|mm|ftin}} }} | width = {{cvt|2,946|mm|ftin}} | height = | floorheight = | doors = 1 or 2 per side | maxspeed = {{Plainlist| * {{convert|110|km/h|mph|abbr=on}} * {{convert|163|km/h|mph|abbr=on}} (Record speed for a narrow gauge train in Japan for 151 series) }} | weight = | acceleration = | deceleration = | traction = [[Resistor|Resistor control]] MT46 (151 & 161 series)<br />MT54 (181 series) | poweroutput = 100kW (MT46)<br />120kW (MT54) | gearratio = 22:77 | aarwheels = | aux = | powersupply = | hvac = | electricsystem = 1,500 V DC | collectionmethod = overhead catenary | bogies = DT23, TR58 | brakes = | safety = | coupling = | multipleworking = | gauge = {{RailGauge|1067mm|lk=on}} | notes = {{Blue Ribbon Award (railway)|1959|2nd}} }} The {{Nihongo|'''181 series'''|181系}} (and the earlier 151 and 161 series variants) was a Japanese [[limited express]] [[electric multiple unit]] (EMU) type operated by [[Japanese National Railways]] (JNR).

==Variants== * 151 series * 161 series * 181 series

The 151 series trains were introduced in 1958 on ''[[Kodama (train)|Kodama]]'' limited services on the [[Tōkaidō Main Line|Tokaido Main Line]].<ref name="sasada2014">{{cite book |script-title=ja: 国鉄&JR保存車大全2015-2016 |trans-title=JNR & JR Preserved Rolling Stock Complete Guide 2015-2016|last = Sasada|first = Masahiro |publisher = Ikaros Publications Ltd.|date = 25 November 2014 |location = Tokyo, Japan |language = Japanese |pages = 43, 123 |isbn = 978-4863209282|title=国鉄&jr 保存車大全 2015-2016}}</ref> 161 series trains were introduced in 1959 on ''[[Toki (train)|Toki]]'' limited services on the [[Jōetsu Line|Joetsu Line]].<ref name="sasada2014"/> All 151 and 161 series cars were subsequently modified to become 181 series alongside newly built 181 series cars.<ref name="sasada2014"/>

<gallery> File:151 Fuji Yokohama.jpg|A 151 series on a ''Fuji'' limited express service File:181 Azusa 8 Shinjuku 19750119.jpg|A JNR 181 series train on an ''[[Azusa (train)|Azusa]]'' service in January 1975 </gallery>

==Preserved examples== * '''KuHa 181 1''': Preserved outside the [[Kawasaki Heavy Industries]] factory in Kobe, and restored in November 2016 to its original style and numbering as "KuHa 26001"<ref name="railfan20161114">{{cite web |url= http://railf.jp/news/2016/11/14/150000.html|script-title=ja: クハ181−1の外観が補修され「クハ26001」に復元される |trans-title=KuHa 181-1 externally restored for KuHa 26001|date= 14 November 2016|work= Japan Railfan Magazine Online|publisher= Koyusha Co., Ltd.|location= Japan|language= Japanese|archiveurl= https://web.archive.org/web/20161115082806/http://railf.jp/news/2016/11/14/150000.html|archivedate= 15 November 2016|url-status=live |accessdate= 15 November 2016}}</ref> * '''KuHa 181 45''': Preserved at the [[Railway Museum (Saitama)|Railway Museum]] in Saitama Prefecture<ref name="sasada2014"/>

<gallery> File:JNR 181 Kodama 20080118.jpg|KuHa 181 1 (formerly Kuha 151 1) preserved outside the Kawasaki Heavy Industries factory in Kobe File:KuHa 181 45 Toki (2007.05.06).jpg|KuHa 181 45 preserved at Niitsu in May 2007 before being moved to the Railway Museum File:JNR class 181 EMU Kuha 181-45 at the Railway Museum.jpg|KuHa 181 45 preserved at the Railway Museum in Saitama in 2015 </gallery>

==References== {{Reflist}}

==Further reading== {{Commons category multi|JNR 151|JNR 181}} * {{cite magazine|last = Sato|first = Hiroshi |script-title=ja: 151系（モハ20系）電車 車両のあゆみ|trans-title=History of the 151 series (MoHa 20 series) EMU trains|magazine = The Railway Pictorial |volume = 55|issue = 765 |pages = 10–32 |publisher = Denkisha Kenkyukai |location = Japan |language = Japanese |date = September 2005}} * {{cite magazine|last = Sato|first = Hiroshi |script-title=ja: 161系・181系電車 車両のあゆみ|trans-title=History of the 161 and 181 series EMU trains|magazine = The Railway Pictorial |volume = 55|issue = 766 |pages = 10–32 |publisher = Denkisha Kenkyukai |location = Japan |language = Japanese |date = October 2005}}

{{JNR EMU}}

[[Category:Train-related introductions in 1958]] [[Category:Electric multiple units of Japan]] [[Category:Kawasaki multiple units]] [[Category:Kinki Sharyo multiple units]] [[Category:Toshiba multiple units]] [[Category:1500 V DC multiple units of Japan]] [[Category:Raised cab multiple units]]