Search results
Results from the WOW.Com Content Network
The SD70MAC is no longer produced due to EPA regulations, and was replaced by the SD70ACe in 2004. In total, 1,109 SD70MACs were produced, purchased by Burlington Northern (and its successor, BNSF), Conrail, CSX, Transportación Ferroviaria Mexicana (TFM; units now owned by Kansas City Southern Railway (KCS)), and the Alaska Railroad.
Type Road number Build year Total produced AAR wheel arrangement Prime mover Power output Image EMC 1800 hp B-B: ATSF 1: 1935 1 B-B+B-B: Dual Winton 12-201-A: 1,800 hp (1,342 kW)
Although four demonstrator SD60MAC units tested on the Burlington Northern proved the viability of EMD's AC traction system, all subsequent orders were for the SD70MAC locomotive. SOO Line EMD SD60 #6032 GMD SD60F, CN 5536 EMD SD60I, CSX 8747, Plymouth, Michigan EMD SD60M (Early model, "Triclops"), UP 2317 EMD SD60M (Late model,
BNSF Railway (reporting mark BNSF) is the largest freight railroad in the United States. One of six North American Class I railroads , BNSF has 36,000 employees, [ 1 ] 33,400 miles (53,800 km) of track in 28 states, and over 8,000 locomotives. [ 2 ]
While the SD70ACe uses the TA17 that was used in the SD70MAC. The computer systems are largely the same, FIRE for the operator screens was used on SD70MAC's since 1997 at least. They still have the EM2000/EMDEC system. The heavy electical switch gear is largely the same on the DC units, however the layout has been changed (again)
The SD80MAC was a 5,000 horsepower (3.7 MW) C-C diesel-electric locomotive. It was powered by a 20-cylinder version of EMD's 710G prime mover, and was the second diesel locomotive by GM-EMD to use a V20 engine, since EMD's SD45 series.
Heritage units are popular among North American railroads. As of 2023, all major Class I railroads have official heritage units, except for BNSF Railway. [a] [1] [2]The Union Pacific Railroad painted six EMD SD70ACes in stylized paint schemes of six of its predecessors between 2005 and 2006. [3]
A nickname given to EMD's SD70MAC, SD80MAC, and SD90MAC locomotive models [46] Big Orange A nickname given to BNSF, named after their orange livery Billboard Atchison, Topeka and Santa Fe Railway locomotive in the pre-1972 blue and yellow scheme [16] Black Widow A Southern Pacific locomotive (all black with some silver) [16] Bloody Nose