UP Big Boy 4019 leaves Cheyenne with a great plume of smoke. Steam leaks can be seen surrounding the boiler.

Having just worked at Pomona Yard, northbound manifest freight train 36Q passes the UNCG campus in Greensboro, NC on July 8, 2018.

Big Boy 4019 leaves for Sherman Hill out of Cheyenne yard.

The Big Boy doing what it was designed to do, move freight over Sherman Hill fast. No photographer name listed on slide.

An eastbound Union Pacific freight train has just exited one of the Hermosa tunnels on Wyoming's Sherman Hill on August 17, 1957. Road power is 4-8-8-4 "Big Boy" no. 4019, assisted by 4-8-4 no. 82... (more)

With the rain coming down hard and the orangish glow of the city lights reflecting of the storm clouds, UP 4019 slows for the red indication seen down by the overpass. Also, notice the old telepho... (more)

Union Pacific SD70M number 4019 leads a late southbound Coast Starlight over Cuesta Grade. It has just come out of Tunnel 11, the last tunnel on Cuesta Grade and is passing through Chorro siding.... (more)

This SD70M is a long way from home tracks. 4019 along with a lease engine takes coal off Coal River and west through St. Albans, WV.

UP 4019 leads a southbound intermodal train out of the tunnel at Walong, just above the Tehachapi Loop.