| A pair of DPUs are tacked onto the end of a northbound manifest freight waiting to depart Eugene. Union Pacific 7464 was built in 2009 as an ES44AC (UP designation C45ACCTE). The other unit, 8241, was built in late 2014 as an ES44AC-H, a standard ES44AC with an extra 16,000 pounds of ballast, bringing the total engine weight to 432,000 pounds. Union Pacific classifies this unit as a C45AH (C-truck, 45 to differentiate from AC4400CW, alternating current, heavy) |