| 词条 | Westrail N class | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 |
|name = Westrail N class |powertype = Diesel-electric |image = N1879+N1871 Bunbury, 1986.JPG |alt = 250px |caption = N1879 & N1871 at Bunbury Harbour in December 1986 |builder = Comeng, Bassendean |ordernumber = |serialnumber = |buildmodel = CE618 |builddate = 1977-1979 |totalproduction = 11 |rebuilder = |rebuilddate = |numberrebuilt = |aarwheels = C-C |uicclass = Co-Co, Co′Co′ |gauge = {{track gauge|1067mm|lk=on}} {{track gauge|1435mm|allk=on}} |trucks = |bogies = |wheeldiameter = |trailingdiameter = |minimumcurve = |wheelbase = |length = {{convert|17.09|m|ftin|abbr=on}} |width = {{convert|2.90|m|ftin|abbr=on}} |height = {{convert|3.99|m|ftin|abbr=on}} |axleload = {{convert|17.7|t|abbr=on}} |weightondrivers = |locoweight = {{convert|106|t|abbr=on}} |fueltype = Diesel |fuelcap = {{convert|4000|L|impgal USgal}} |lubecap = |coolantcap = |watercap = |sandcap = |powersupply = |consumption = |watercons = |primemover = Alco 12-251CE |rpmrange = |enginetype = |aspiration = Turbocharged |displacement = |alternator = |generator = |tractionmotors = |headendpower = |cylindercount = 12 |cylindersize = |transmission = |multipleworking = |maxspeed = {{convert|105|km/h|mph|0|abbr=on}} |poweroutput = {{convert|1,790|kW|hp|-1|abbr=on}} |tractiveeffort = {{convert|282|kN|lb-f|abbr=on}} (starting) {{convert|240|kN|lb-f|abbr=on}} (continuous) |factorofadhesion = |trainheating = |locobrakes = |locobrakeforce = |trainbrakes = N: Vacuum NA/NB: Air |safety = |operator = Westrail |operatorclass = |powerclass = |numinclass = 11 |fleetnumbers = N1871-N1881 |officialname = |nicknames = |axleloadclass = |locale = |deliverydate = |firstrundate = 5 December 1977 |lastrundate = |retiredate = |withdrawndate = |preservedunits = |restoredate = |scrapdate = |currentowner = Australian Locolease Greentrains |disposition = 2 stored, 9 scrapped}} The N class was a class of diesel locomotives built by Comeng, Bassendean for Westrail between 1977 and 1979. HistoryEleven were built all for use on the Western Australian narrow gauge network, primarily to haul mineral trains in the south east.[1] Between July 1982 and June 1983, the first four members of the class had their vacuum brake equipment replaced with Westinghouse air brake systems, and were redesignated as the NA class. While liked by crews for their ride quality and power, they suffered from reliability problems and most were withdrawn in the early 1990s. The last were withdrawn in 1997.[2][3][4] In January 1995 two of the NA class were converted to standard gauge using bogies from Mount Newman Alco M636s, and redesignated as the NB class. In February 1998 these two were sold to Austrac Ready Power, Junee.[2][5] These were sold in 2004 to Patrick Port Link, Adelaide and again in September 2011 to Australian Locolease who redesignated as the 18 class and leased them to El Zorro for use in Victoria.[6][7][8] Austrac also purchased NA1874 but it was sold without use to South Spur Rail Services in 2001 and converted for standard gauge operation in January 2006. It was scrapped in 2014.[2][6][9][10] Status table
References1. ^{{cite book|last=Dunn|first=John|title=Comeng: A History of Commonwealth Engineering Volume 3: 1967-1977|year=2010|publisher=Rosenberg Publishing|location=Kenthurst|pages=215-219|isbn=9781877058905}} 2. ^1 2 [https://web.archive.org/web/20081201133551/http://www.tamr.org/Andy_Inserra/westrail.htm Westrail N / NA / NB classes] Westrail Alcos 9 March 2002 3. ^{{cite book|last=Oberg|first=Leon|title=Locomotives of Australia: 1850s-2007|year=2008|publisher=Rosenberg Publishing|location=Sydney|isbn=9781877058547|pages=383}} 4. ^N Class (WA, diesel) Railpage 5. ^"Westrail Motive Power Coming and Going" Railway Digest April 1998 page 14 6. ^1 2 3 4 "Australia Wide Fleet List 2014" Motive Power issue 96 pages 65, 67 7. ^NB Class (WA, diesel) Railpage 8. ^18 Class Vicsig 9. ^NA Class (diesel, South Spur) Railpage 10. ^1874 Vicsig External links{{commonscat-inline|WAGR N class (diesel)|Westrail N class}}{{WAGR Locomotives|state=collapsed}} 7 : Co-Co locomotives|Commonwealth Engineering locomotives|Diesel locomotives of Western Australia|Railway locomotives introduced in 1977|Standard gauge locomotives of Australia|3 ft 6 in gauge locomotives of Australia|Diesel-electric locomotives of Australia |
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