She's dressed like a Challenger locomotive from the Clinchfield Railroad, but of course this is the Union Pacific 3985, doing a stint over CSXT's former Clinchfield for the 1992 "Santa Train". From the Pentrex show "Union Pacific’s Clinchfield Challenge" https://rfd.video/3985Clinchfield | Steam Giants

Union Pacific Challenger 3985 has be made to appear (somewhat) like a Clinchfield locomotive and is traveling over CSX rails to be used on the CSX "Santa Train" Some fantastic runbys are seen in this clip from the Pentrex show "Union Pacific’s Clinchfield Challenge" https://rfd.video/3985Clinchfield | Steam Giants

A Clinchfield Railroad big Challenger locomotive is honored as Union Pacific #3985 visits the east and is in disguise. From the GSVP show "Challenger Goes East" https://rfd.video/ChallengerEast | Steam Giants

Trainz Movie - The Origins of Jessica the Clinchfield 311 Demon (2026) #trainzsimulator #movie