American Flyer 6 48090 S Northern Pacific 4 6 6 4 Challenger Steam Locomotive ProductID_11464315 This is a Bowser 24113 This is a Bowser 24113 HO Scale Ontario Northland Railway GMD SD40 2 #1733 producing a down hill slope to the load or in Conventional mode with a standard transformer American Flyer Speed Control with On Off switch LEGACY RailSounds 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 with 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 mechanical bell sounds Independently adjustable volume control Wireless Tether connection between locomotive and tender Four chuffs per revolution Powerful maintenance free motor with momentum flywheel ElectroCouplers on rear of tender Operating headlight and classification lights Illuminated number boards Diecast metal locomotive body