The Genesis 4-8-8-4 Big Boy is, like the Genesis 4-6-6-4 Challenger 4-6-6-4, the culmination of the art of design and tooling, integrating the latest in electronic technology. The 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 and printed gauges
? Individually applied detail parts such as piping, valves, generators, etc.
? Blackened metal RP25 wheels.
? Eccentric cranks operating on both sides in correct direction.
? Front and rear engines (cylinders and coupled drive wheel sets), both pivot for 22:? recommended minimum radius.
? Pilot has open/closed positions. Coupler pocket can be inserted to mount coupler. ? Adjustable cab windows and opening doors.
? Headlights and tender lighting feature directional light change; number boards are also lighted.
? Five-pole, skewed armature motor with two flywheels for very smooth running.
? Cab-hatches can be either closed or open.
? See-through running boards.
? Undecorated versions include all parts for that prototype.
? Factory installed DCC sound board with dual speakers. The board is 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.
? Smoke unit ready with no soldering needed.