Athearn N RTR 4-6-6-4 Challenger with DCC and Sound No 3985 Steam Locomotive Model - Black (11802) for sale online | eBay
Athearn (China) 4-6-6-4 Challenger
Broadway Limited Imports Brass Hybrid HO 4805 Union Pacific Class CSA-2 'Early Challenger' 4-6-6-4 'Post 1947 Re-built Front Engine' with Paragon4 Sound/DC/DCC & Smoke - UP #3830
N Scale Athearn 22921 UP Union Pacific Challenger 4-6-6-4 Steam Locomotive #3710 w/ Sound & DCC
4-6-6-4 Challenger (DCC & Sound): UP #3997 | Athearn Genesis
Athearn - The Union Pacific CSA (Challenger Simple Articulated) Challengers were the first 4-6-6-4 steam locomotive built by American Locomotive Company for the Union Pacific Railroad. Two orders of “original” also known
Athearn N RTR 4-6-6-4 Challenger with DCC and Sound No 3985 Steam Locomotive Model - Black (11802) for sale online | eBay