| Four units lead an eastbound stack train towards Kingman. The four units, an ES44C4, two ES44DCs, and a NS C44-9W, are running elephant style. The fourth unit, Norfolk Southern 9381, was originally a C40-9W, built by GE in mid 1999. These units were ordered exclusively by NS, and were upgraded to 4400 horsepower on the early-mid 2010s. |