This detailed Atlas Master Silver Alco RS11 locomotive is based on one of the most popular road switcher diesels ever built. The model features roadname-appropriate details and body style, applied handrail, grab irons and other details. This HO Scale locomotive comes equipped with an 21-pin DCC decoder interface and an 8-pin socket for easy decoder installation when you're ready. The Alco RS11 features a five-pole skewed-armature motor with dual flywheels, directional LED lighting and AccuMate(R) magnetic knuckle couplers.