Features LEGACY Control System equipped – able to run in Legacy Control mode, in TrainMaster Command Control mode, or in Conventional mode with a standard transformer Realistic Whistle Steam smoke effect Odyssey II Speed Control with On/Off switch LEGACY RailSounds sound system featuring: -CrewTalk dialog and TowerCom announcements, each with different scenarios depending on whether the locomotive is in motion or stopped -Six official railroad speeds with CrewTalk dialog -DynaChuff synchronized chuffing that shifts through 15 levels of intensity as the locomotive gains speed -LEGACY Real-Time 'Quilling Whistle' control with instant response for realistic signature 'quilling' and correctly timed warning signals -Single hit or continuous bell sounds Powerful maintenance-free motor with momentum flywheel Wireless Tether connection between locomotive and tender ElectroCoupler on rear of tender Directional lighting including operating headlight and back-up light on rear of tender Illuminated classification lights on the front of locomotive Traction tire Interior illumination in cab Three interchangeable smoke stacks Die-cast metal locomotive body, pilot, and trucks Die-cast metal tender body and trucks High level of separately applied metal details Separately applied builder's plates Fan-driven smoke unit Adjustable smoke output Authentically detailed cab interior Cab window "glass" Engineer/Fireman figures Locomotive Road Number: 3751 Gauge: Standard O Dimensions: Length: 27 1/4" RailLine: Santa Fe Minimum Curve: O-54