An eastbound Union Pacific manifest freight, dominated by heavy lumber loads and powered by a trio of new Union Pacific GE ET44AC (ET44AH) locomotives, snakes through multiple curves up the steep ... (more)

Three brand new Union Pacific GE ET44AC locomotives work upgrade through the multiple curves at Cable, California, while climbing Tehachapi Pass on March 1, 2016.

UP 2656 leads freight westbound at St. Anthony.

UP 2656 leads a long West Colton to Roseville manifest at Canyon on the Palmdale Cutoff.

Three new Union Pacific GE ET44AC (ET44AH) locomotives work southbound through the multiple curves at Cable, California, climbing Tehachapi Pass on March 1, 2016.

Working a heavy manifest freight up the steep grades of Tehachapi Pass are three new Union Pacific GE ET44AC (ET44AH) locomotives exiting the Allard horseshoe curve at Bealville, California, on Ma... (more)

Three new Union Pacific GE ET44AC (ET44AH) locomotives snake a train through multiple curves and up a steep grade below the Allard horseshoe curve at Bealville, California, on March 1, 2016. Heavy... (more)

Three new Union Pacific GE ET44AC (ET44AH) locomotives growl up the steep grade of Tehachapi Pass at Bealville, California, on March 1, 2016, with an eastbound manifest freight. The large train do... (more)

Union Pacific C36-7 2656 is the former 9056, originally MP 9056.