Broadway Limited N 6983 UP #3714 Challenger 4-6-6-4 Steam Paragon4 DCC Sound

Between 1936 and 1944, the American Locomotive Company (ALCO) constructed a total of 105 Challengers in five classes for the Union Pacific. These locomotives were approximately 122 ft long and weighted 537 short tons. The design and operational experience of the Challengers played a crucial role in shaping the renowned Big Boy locomotive type. Which in turn influenced the design of the last three orders of Challengers.

Paragon4 Sound & Control system featuring Rolling Thunder. Dual-mode decoder with back EMF for superb slow speed operation in DC and DCC modes. Precision drive mechanism engineered for heavy towing and smooth slow speed operation.

Operating smoke unit with on/off switch. Six drivers and all tender wheels pick-up electricity from track. Die-cast chassis for heavier weight and maximum tractive effort. Separately applied details including handrails, grab irons, piping, tender ladders, whistle and bell. Prototypical headlight and rear light operation. Prototypically accurate UP Challenger sounds. Operating Micro-Trains compatible knuckle couplers.

Will operate on standard Code 80 track as well as Code 55 and Code 70. Minimum required operating radius: 9.75 inches. Paragon4 Sound & Control System Features. Operates in DC and DCC modes with improved DC speed control. Built-in extra capacitance to navigate imperfect track.

Pro lighting mode offers individual control of all lights on the model. Switcher mode for precise low speed control. Record & Play operation - records and plays back sounds and movements once or repeatedly for automatic operation. Quillable horn for various whistle lengths and patterns. Choice of 3 selectable horns.

Adjustable bell ringing interval for faster or slower bell. Numerous user-mappable functions with available keys. Multiple realistic passenger and crew sounds play on command.

Individually adjustable sound volumes for each effect. EZ reset button for quick return to factory default settings.