Norfolk Southern train D49D rolls towards a trackside defect detector as it nears Yuton, Southbound early Friday morning August 14, 2009. The two Caterpillar powered Progress Rail PR43C's have a... (more)

Westbound near Shawsville with a B23-7, U23B, and SD70.

Norfolk Southern 4001, a Progress Rail model PR43C built from an NS SD50, is in full dynamic braking as the NS 996 test train is being brought to a stop in Carlock, Illinois on Tuesday June 9, 200... (more)

Norfolk Southern 4001, a Progress Rail model PR43C built from an NS SD50, has the NS 996 test train stopped at Goodfield, Illinois on Tuesday June 9, 2009. At the time of the photo, the locomotive... (more)