This DCC sound-equipped EMD SD45 Diesel includes our Sound Value SoundTraxx® diesel sound package with prototypical prime mover, 3 air horns, and bell—all in polyphonic 16-bit sound. The “special duty” SD45, a 3600-HP prime mover with a V-20 engine and six-axle trucks for superior tractive effort, embodied the latest and greatest technological advances of its day. Following EMD’s lead in the pursuit of cutting-edge technology, we’re proud to offer this N scale sound-equipped locomotive.