The Gas: Montana Rail Link SDP40-2XR No. 290 leads the Day Gas near Perma, Mont. on the afternoon of April 19, 2014. The engine is MRL's only SDP40-2 and was built in 1966 for the Great Nor... (more)

This former GN SDP40 rolls west with a work train along the ex-NP in western Montana between Noxon and Heron.