This detailed HO Scale Atlas Master Gold Alco C425 is based on the later Century series of Alco road switchers produced for a number of railroads. Upgrades to the C424 later in production allowed its 16-cylinder 251B-series prime mover and improved electrical gear to produce 2,500-hp, keeping it as a direct competitor to the 2,500-hp GE U25B and EMD GP35 models. A total of 90 units were built between 1964 and 1966 for several railroads. The Alco C425 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. The Alco C425 features accurate decoration, roadname-appropriate body phase details and has plenty of applied details. Note that although the dual-mode decoders will operate on DCC and DC layouts, DC and DCC units will not operate together in a consist.