| Newly-remanufactured Union Pacific AC4400CWM units 7281, 7268, 7257 and 6454 were at the north end of the Wabtec test track three miles north of the builder’s Fort Worth plant. The first two units were still in primer, except for their radiator compartments. Norfolk Southern 9516, on the right, was one of eight NS C44-9W units parked at the north end of the test track. |