Union Pacific’s transcontinental route west only spends a few miles in far northeast Colorado following the watercourses of the South Platte River and then Lodgepole Creek while going through th... (more)

Beside the usual lineup, Union Pacific’s Cheyenne diesel shop has a visitor. It’s the day before a Denver – Laramie excursion, and 4-6-6-4 3985 is having its boiler warmed up by the shop’s... (more)

A fan trip operated by the Union Pacific for the Union Pacific Historical Society (which was having a convention in Ontario CA) finds the railroad’s “Challenger” locomotive, 4-6-6-4 3985, te... (more)

With a Rio Grande freight passing on the left, and railfans on the right taking photos and quickly heading back to their cars, Union Pacific 3985 puts on a show as it slowly heads south to the Uni... (more)

UP 3977 on display at Cody Park in North Platte Nebraska demonstrates how the front engine pivots under the boiler. The 3977 & 3985 are the only two Challenger type locomotives left in existence.

"Clinchfield 676" (UP 3985) at the end of the running of the 50th anniversary Santa Claus Special.

The Clinchfield 676 (UP 3985) has gotten the attention of one dog but not the other, after starting from a delay caused by sideswiping some coal hoppers. Note the ski-jump at the front of the run... (more)

The Clinchfield 676 (UP 3985) has stopped for servicing alongside a C&O C-20 steel caboose in Shelby Yard, KY

The Clinchfield 676 (UP 3985) is preparing for some minor surgery- note the bent running board over the hot water pump near the smokebox. The morning sun also highlights the taped-on cab numerals... (more)

The Clinchfield 676 (UP 3985) is rounding the curve at Fremont, on its way to Kingsport, Tennessee. The old trackside winch does not appear on today's satellite map.

The Clinchfield 676 (UP 3985) splits the old C&O signals while deadheading south on the Big Sandy to Shelby Yard

UP $-6-6-4 3985 on a photo runby on Sherman Hill. We Had About ten Runbys That Day. Those were wonderful trips

UP 3985 being serviced next to the UP Salt Lake City shops. The shops now belong to Utah's Frontrunner light rail and the logo has been removed.

UP 3985 crossing a curved bridge near Cutler Dam.

After backing clear of the Laramie yard leads, Union Pacific Challenger 3985 pulls its consist forward on the southernmost yard track to reach a wye to turn back toward Cheyenne. The structures in... (more)