Atlas Model Railroad Co. -- EMD GP39-2 - ESU LokSound & DCC -- Santa Fe 3609 (Warbonnet, blue, yellow) -- This detailed EMD GP39-2 diesel from Atlas comes equipped with an ESU LokSound decoder and features a slow-speed motor with dual brass flywheels, directional LED lighting, dynamic brakes as appropriate and AccuMate(R) magnetic knuckle couplers.