A Ft. Worth to West Colton extra struggles through the cut at Mohawk in the late evening.

UP 8478 with the new nose shield leads the westbound ZG4CI at Mohawk.

UP 4014 slows as they drop down the short quick grade of the Mohawk pass as they plan to stop at the bottom of the grade for a quick lubrication of all of 4014's parts.

UP 4014 on its way through Mohawk during The Great Race Across the Southwest

A loaded grain train and short auto train meet in the small Mohawk pass.

After meeting two eastbound and following one hotshot westbound. The UP 2543 finally gets to highball and tackle the upgrade "s" curves known as Mohawk.

UP 8962 brings up the rear of a westbound stack train at Mohawk.

A westbound UP Z train passes through Mohawk on the Gila Sub as it heads for Yuma.

Roaring over the summit at Mohawk at 70 mph, an eastbound stack train powered by two GP60s is making good time between Yuma and Tucson.