ATSF 4-8-4 Locomotive #3751 Paragon4 Sound Model (BLI9400)

Santa Fe 4-8-4 Heavy Mountain No. 3751 is reproduced as an N-scale Paragon4 sound model with smoke, bringing a historic Baldwin-built locomotive to modern layouts. This detailed reproduction captures the 3751’s distinctive silhouette as it appears today, paired with a faithful Paragon4 sound suite to deliver authentic chuff, whistle, and bell ambience as it runs on DC or DCC power.

Powered by an all-new Paragon4 sound and control system featuring Rolling Thunder and an integral dual-mode decoder with back EMF for superb slow-speed operation, the model offers precise, reliable control. A precision drive mechanism provides continuous heavy-load pulling and smooth low-speed performance, while a die-cast body and chassis add weight and traction. One driver carries rubber tires for extra grip, and a wealth of separately applied details—handrails, ladders, piping, whistle, and bell—enhance realism. Lighting includes separately controllable headlight and rear light, and MicroTrains-compatible couplers ensure compatibility with common rolling stock. It runs on Code 55, 70, and 80 rails and requires a minimum radius of 9.75 inches. When the smoke unit is on, a thin-viscosity fluid is recommended for N scale (such as JT Mega Steam). Prototypical Santa Fe sounds complete the package for an authentic steam-era presence.