Over 600, 400 of them being FAs, were built from 1946 to 1956. Many of these saw service for secondary owners as late as the 1970s. This N Scale Alco FA1 replica comes equipped with a dual-mode ESU LokSound Select sound and DCC decoder with Full Throttle effects for operation on DCC and DC layouts, and features a motor with dual flywheels, directional LED lighting, accurate decoration and AccuMate(R) magnetic knuckle couplers.