
8653 UP Challenger 4-6-6-4, #3714, Black & Graphite, Oil Tender, w/ wind wings, No-Sound / DCC-Ready, N,

Steam locomotive profile: 4-6-6-4 Challenger | Classic Trains Magazine,

8654 UP Challenger 4-6-6-4, #3982, Two-tone Gray, Oil Tender, w/ wind wings, No-Sound / DCC-Ready, N,

Broadway Limited 5822 HO UP Challenger 4-6-6-4 Steam Loco #3952 w/SND/ – Trainz,

Live Steam Engines | Union Pacific 4-6-6-4 Challenger Live Steam Locomotive | Live Steam Locomotives