| 词条 | Queensland Railways 2250 class |
| 释义 |
|name = Queensland Railways 2250 class |powertype = Diesel-electric |image = |alt = |caption = Queensland Railways 2250 Class |builder = Redbank Railway Workshops |ordernumber = |serialnumber = |buildmodel = Electro-Motive Diesel GT22C-3M |builddate = Original locos built 1972-75, rebuilt 2004 |totalproduction = 25 |rebuilder = |rebuilddate = |numberrebuilt = |aarwheels = |uicclass = Co-Co |gauge = {{RailGauge|1067mm}} |trucks = |bogies = |wheeldiameter = |trailingdiameter = |minimumcurve = |wheelbase = |length = {{convert|18.04|m|ftin|abbr=on}} |width = |height = |axleload = |weightondrivers = |locoweight = {{convert|110|t|abbr=on}} |fueltype = Diesel |fuelcap = |lubecap = |coolantcap = |watercap = |sandcap = |powersupply = |consumption = |watercons = |primemover = Electro-Motive Diesel 645E3C |rpmrange = |enginetype = V12 Diesel engine |aspiration = Turbocharged |displacement = |alternator = |generator = Electro-Motive Diesel AR10G-D14CA5 |tractionmotors = Electro-Motive Diesel D31 |headendpower = |cylindercount = 12 |cylindersize = |transmission = |multipleworking = |maxspeed = |poweroutput = {{convert|1697|kW|abbr=on}} |tractiveeffort = |factorofadhesion = |trainheating = |locobrakes = |locobrakeforce = |trainbrakes = |safety = |operator = Queensland Railways |operatorclass = |powerclass = |numinclass = 25 |fleetnumbers = 2251-2275 |officialname = |nicknames = |axleloadclass = |locale = |deliverydate = |firstrundate = 2004 |lastrundate = |retiredate = |withdrawndate = |preservedunits = |restoredate = |scrapdate = |currentowner = Aurizon, Transnet |disposition = 20 exported, 5 stored}} The 2250 class are a class of diesel locomotives rebuilt by Queensland Rail's Redbank Railway Workshops in 2004. HistoryThe 2250 class are former 1550 class (6), 2130 class (all 11), and 2141 class (all 8) locomotives that were rebuilt in 2004.[1][2][3] The rebuilds included new cabs, Dash 2 electronics, ZTR traction control equipment, EMD 645E engines from 1502s and the replacement of the roots blower supercharger with a turbocharger.[2] They were also ballasted to {{convert|110|t}} as they only operate on heavy coal trains. 20 locomotives were sold to Transnet in South Africa in 2014.[4] References1. ^[https://sites.google.com/site/queenslandgreattrains/Home/diesel-locomotives/2100-class 2100 Class] Queensland's Great Trains {{QueenslandLocos|state=collapsed}}2. ^1 {{cite web|url=http://www.qrig.org/motive-power/locomotives/diesel/qrnational/clydegm-2250-class |title=Clyde/GM 2250 Class |work=Queensland's Railway Interest Group|accessdate=20 May 2017}} 3. ^2250 Class Railpage 4. ^{{cite news|url=http://www.railjournal.com/index.php/locomotives/transnet-purchases-used-australian-locomotives.html|title= Transnet purchases used Australian locomotives|publisher=International Railway Journal|date=September 18, 2014}} 7 : Aurizon diesel locomotives|Co-Co locomotives|Diesel locomotives of Queensland|Diesel locomotives of Western Australia|Queensland Rail locomotives|Railway locomotives introduced in 2004|Diesel-electric locomotives of Australia |
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