Athearn -- HO F7A w/DCC & Sound, SF/Freight #327L -- LOCOMOTIVE FEATURES: All units are powered. Factory installed SoundTraxx Tsunami2 sound and DCC decoder (DCC+sound units only. DCC+Sound models are “dual mode” and will operate under both DCC and DC. Directional constant lighting; headlight brightness remains constant. On DCC-ready B-units, back-up lights or marker lights (if equipped) will come with LEDS, but wires will not be connected to the circuit board. Scaled from prototype resources including drawings, field measurements, photographs, and more. Fully-assembled and ready-to-run. Accurately-painted and printed paint schemes. Separately applied photo etched metal and injection molded detail parts. Cab interior. Coupler cut levers. MU hoses. Trainline hose. Windshield wipers. Lift rings. Wire grab irons. Detailed fuel tank with fuel fillers, fuel gauges, breather pipes, and retention tanks. Sander lines. Body mounted McHenry scale knuckle couplers - Kadee compatible. DCC-ready Non-sound version features 21-pin NEM DCC plug. Genesis driveline with 5-pole skew wound motor, precision machined flywheels, and multi-link drivetrain for trouble free operation. All-wheel drive with precision gears for smooth and quiet operation. All-wheel electrical pickup provides reliable current flow. Wheels with RP25 contours operate on all popular brands of track. LEDs for realistic appearance. Blomberg-B trucks. Heavy die-cast frame for greater traction and more pulling power. Packaging securely holds for the model for safe storage. Replacement parts available. Minimum radius: 18”. SOUND EQUIPPED MODELS ALSO FEATURE: Onboard DCC decoder with SoundTraxx Tsunami2 decoder pre-installed. Sound units operate in both DC and DCC. Individual sound boards installed in both A and B units (sound units only). Engine, horn, and bell sounds work in DC. Some functions are limited in DC. All functions NMRA compatible in DCC mode. Excellent low-speed operation. Program a multiple unit (MU) lashup with lead unit only horn, bell, and lights. Lighting effects such as beacons, Gyralight where prototypically accurate. Many functions can be altered via Configuration Value (CV) changes. CV chart included in the box.