UP 7793 (ES44AC) sits at the signals in Denver, Colorado.

Up 7793 leads a stack train east over the MacArthur Bridge.

ASMKBX 15 rolls under the for now untouched MoPac Era Signal Bridge at Reynoldsville IL.

With stormy skies over Cheyenne, a westbound Union Pacific freight heads for Speer on Track 3 for a trip over Sherman Hill, Wyoming, on the afternoon of May 25, 2011.

UP 7793 leads the slow charge uphill along the old Southern Pacific outside of Kingsbury, TX.

A long stack train with more than 80 platforms eases down the Weber Canyon grade just west of Echo, Utah. This mixed intermodal train was set up at Global 2 in a 1x1 DPU format with UP 7727 leadin... (more)

UP 7793 & 5016 lead a westbound stack train.

A UP crew brought in 7793 and a very long manifest. Later an A&S crew yarded about 1/3 of the train and departed north with an SD 70ACe DPU.

UP 7793 leads a gaggle of other units east towards Green River, UT.

Parts.