The Athearn N Scale 4-8-8-4 Big Boy, is the culmination of the art of design and tooling, integrating the latest innovations in electronic technology. The N Scale Big Boy model has been developed from the outset as the finest three dimensional operating miniature representation of the prototype available.
Features include:
• Boiler backhead with full details.
• Individually applied detail parts such as piping, valves, generators, etc.
• Blackened metal wheels suitable for operation on Code 55 track.
• Eccentric cranks operating on both sides in correct direction.
• Front and rear engines (cylinders and coupled drive wheel sets), both pivot for 11" recommended min. radius.
• Pilot has open/closed positions. Coupler pocket can be inserted to mount coupler after removal of dummy coupler.
• Headlights and tender lighting feature directional light change.
• Five-pole, skewed armature motor with two flywheels for very smooth running.
• Undecorated versions include all parts for that prototype.
• Factory installed DCC sound board with speaker, mounted in the tender.
• DCC decoder automatically senses the power supply type (either DC or NMRA compliant DCC system).
• Hand held remote control unit for DC operation.

Features include:
• New tooling
• Fully assembled
• Razor-sharp printing and painting
• MicroTrains® couplers installed
• Dual Function Decoder with SOUND and handheld remote control
• Prototype specific details