A long line of Union Pacific SD9043MAC locomotives sit in storage at the UP yard in Pueblo, Colorado. If traffic levels increase, these units may be called back to service one day.

Fireworks rain out in the night sky as a line of EMD SD9043MAC locomotives rest on track 57 of the former Rio Grande yard in Pueblo. These units will stay parked here for over a year as they awai... (more)

Once the future of railroading with a promise of 6000hp from the manufacture, today the SD9043MAC finds itself as the oddball loco on the UP's roster. 23 such units are taking up space on track 5... (more)

Blasting out of the western portal of Hermosa Tunnel, a brace of 3000 horsepower locomotives, just having cleared their summit off the Harriman Line at Dale Junction, build speed for the race down... (more)