SD70M-2, marka la barbardhigo SD70ACe, waxay muujineysaa sida korontada AC ay u noqotay. Tilmaame-baraha DC-ka wuxuu iibiyey oo keliya qaybo ka mid ah dhalashadiisa cusub ee AC.
Taariikhda Prototype
Dhismaha: General Motors, Qaybta Korontada (EMD) / Horumarinta Horumarinta
Nooca AAR: CC
Taariikhda la dhisay: 2005 - 2011
Lambar Dhismaha: 331
Suunka: 4,300
Engine: 16-710G3C-T2
Length: 74ft 3in
SD70M-2 waxay ka soo korodhay baahida loo qabo EMD si ay u hoggaansamaan shuruudaha cusub ee shidaalka Tier II ee Maraykanka.
Inkasta oo dib-u-samaynta gudaha ee SD70M horay u ahaayeen kuwo yar yar, loola carbuunay muuqaal cusub iyo carwada. Inkastoo barnaamij gooni gooni ah oo ka soo jeeda -2 cusbooneysiintii 1970-yadii, SD70M-2 waxay la mid tahay qaabkii hore ee SD70M.
Sidoo kale muuqaalka muuqaalka ah ee SD70ACe, SD70M-2 waa mashiinka qalabka korontada ee DC. Muujinta asaasiga ahi waa sanduuq calaacal ah oo ka danbeeya cabsida dhinaca koonfureed ee cutubka AC, (ku duuban M-2.)
Tan iyo markii la soo bandhigay tareenada, GM waxay iibisay EMD. Dhismaha hadda waa qayb ka mid ah Horumarinta Tareenka. Muuqaalka muuqaalka tareenada isma bedelin wax ka badan saxanka dhismaha.
Shirkadda SD70M-2 waa tartanka ugu weyn ee loo yaqaan "General Electric" ES44DC. GE "Module Evolution" ayaa horay u soo iibiyay SD70M-2 ee iibinta, iyadoo Tier 4-ka aan la qorsheyn doonin Progress Rail ilaa 2017, GE ayaa ujeedkiisu yahay inuu sii dheeraado hogaankaas.
Markii laydhka SD70 horeyba loo soo bandhigay horraantii 1990-meeyadii, mishiinnada AC traction waxay ahaayeen wax cusub.
Sale of SD70 iyo SD70M la barbar dhigo si wanaagsan leh SD70MAC. Iyada oo kaliya 331 SD70M-2s marka la barbar dhigo in ka badan 1100 SD70ACe waa cad yahay in mashiinka AC uu halkan joogo.
Canadian National iyo Norfolk Koonfureed waxay ka shaqeeyaan badmaaxada ugu wayn ee tareenada fog fog. Florida Florida East Coast waxay ku iibsatay 11 SD70M-2s, laakiin sannadkii 2015 waxay bilaabatay inay qaadato gawaarida cusub ee GE-ga - waa tii koowaad ee tareenada fog ee EMD.
Caadiyan AC tunarjumayaasha waxay u muuqdaan inay shaqeynayaan gawaarida "jiidis" sida tareenada dhuxusha, iyada oo cutubyada DC loo xilsaaray gawaarida gaaban. SD70M-2s waxay u muuqdaan in loo xilsaaro tareenada isku dhafan iyo kuwa isku dhafan. Koritaanka culus ee dhuxusha iyo saliidda iyo ethanol ee tobanka sano ee la soo dhaafey ayaa ka caawiya sharaxaadda isbeddelka xagga awoodda AC. Tareenka woqooyiga waxay u wareegaan tareeno kala duwan, si kastaba ha noqotee, marar badanna waa kala soocaan hal tareen oo kale. Awoodda "shisheeye" ayaa ka caawisa abuuritaanka midabyo badan oo ka mid ah xilliga ay dhacdo in shirkadaha istiraatiijiyadu ay u muuqdaan kuwo isku mid ah oo dhan oo dhan.
Marka la eego qiyaasaha cusub ee sii deynaya ee ku saabsan waxtarka, wax badan uma dhicin wax ka badan SD70M-2s ayaa la dhisi doonaa - ugu yaraan adeegga North American. Laga bilaabo 2015, guji waa wali marxalad naqshadeed. Si kastaba ha noqotee, ilaa iyo inta ay xaqiijinayso sida lagu kalsoon yahay kuwii horey u yimid, waxay u muuqataa in SD70M-2 uu jiri doono sanooyin badan oo soo socda.
Gaadiidka Hawlaha Asalka ah
- Canadian National - 190
- CIT Financial - 3 (loona wareejiyey Florida East Coast ilaa 2014)
- EMD - 8 (oo loo wareejiyey Florida East Coast ilaa 2014)
- Norfolk Koonfurta - 130
Noocyada
Inkasta oo aan ahayn nooc caan ah oo la socota prototype, sababtoo ah waxa la moodi karaa in yar oo faahfaahsan oo sahlan oo isbeddel ah, qalab dhowr ah oo sameeyey SD70ACe ayaa sidoo kale soo saaray SD70M-2.
Liiska noocyada hoos ku qoran waxay gaar u yihiin kaliya SD70M-2 laftiisa. SD70ACe waxay noqon kartaa barta macquulka ah ee loogu talagalay mishiinnada miisaska kale ama waxaa loo isticmaali karaa inay noqoto mid taagan.
N Qiyaasta: Kato
HO Scale: Athearn, Overland (naxaas)
O Scale: MTH Overland