N 4-6-6-4 Union Pacific Locomotive with DCC and Sound #3967 (ATH25743)

An N-scale Union Pacific Challenger 4-6-6-4 locomotive with DCC and sound, this model brings authentic mid‑century mainline power to a layout. Fully assembled and ready to run, it captures the look and performance of UP’s 4-6-6-4 Challengers from the 1940s to the 1950s, featuring a coal burner, dual smokestacks, and smoke lifters for added realism on freight or passenger scenes.

Built with a heavy die‑cast frame for traction and a five-pole motor with a flywheel for smooth, dependable operation, the model includes LED lighting, see‑through running boards and cab windows, a full cab interior with backhead gauges, and individually applied piping and valves. DCC‑ready design with Quick Plug plug‑and‑play technology makes decoder upgrades straightforward, while sound‑equipped versions use a tender-mounted DCC decoder with SoundTraxx Tsunami2 sound, delivering engine, whistle, and bell effects in both DC and DCC modes with full function control. The locomotive is designed to navigate layout curves, featuring pivoting front and rear engines for tight radii and a minimum recommended radius of 15 inches (11-inch radii for turning tighter curves), plus McHenry scale knuckle couplers for authentic coupling.