GE Dash 8-40CW DCC Sound Value ECONAMI Equipped Locomotive - NORFOLK SOUTHERN #8379 (Thoroughbred) - N Scale. This wide cab?style locomotive was originally offered by General Electric as an option for the Dash 8-40C, later becoming the standard for their series of contemporary freight locomotives. Bachmann‘s model comes with the Econami SoundTraxx DCC sound decoder. Factory set for Dash-40CW realism, the diesel package also offers a choice of 5 prime movers, 16 airhorns, multiple variations of 7 bell types, 2 air compressors, and 3 couplers plus a function-activated grade-crossing signal?all in 16-bit polyphonic sound. Econami includes adjustable auto-notching sensitivity for prototypical operation, adjustable master volume and individual sound effect volume levels, advanced consisting, and more.