This detailed Atlas Classic Gold Alco RS3 is based on one of the more popular Alco road switchers produced for a number of railroads. It comes equipped with a dual-mode ESU LokSound Select sound and DCC dual-mode decoder for operation on DCC and DC layouts, and features a five-pole skewed-armature motor with dual flywheels, directional LED lighting and AccuMate(R) magnetic knuckle couplers. Note that although the dual-mode decoder in the Alco RS3 will operate on DCC and DC layouts, DC and DCC units will not operate together in a consist.