Features diecast chassis, truck sideframes and pilots, scale handrails and cut levers, separately applied grab irons, detailed cab interior with fully painted crew member, operating pantographs that can be wired for overhead power, directional headlights and marker lights, eight-wheel drive, high performance Pittman motor, dual flywheels and accurate painting and printing. The 3-rail version includes a Big O Sound and Operating System, designed and produced in the US by Dallee Electronics, Inc. The system includes horn, bell and blower sounds flashing warning lights that are activated with horn and bell operation, selector switches for either forward-first or neutral-first operation, volume control, traction tires and diecast Lionel compatible couplers. Fully compatible with all classic and modern power supplies, including Lionel TrainMaster in conventional mode.