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Athearn Genesis HO SD45-2 with DCC & Sound SPSF #7221
Athearn Genesis HO SD45-2 with DCC & Sound SPSF #7221
Athearn Genesis HO SD45-2 with DCC & Sound SPSF #7221
Athearn Genesis HO SD45-2 with DCC & Sound SPSF #7221
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Athearn Genesis HO SD45-2 with DCC & Sound SPSF #7221

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Scale Guide


  • All-new LED lighting
  • Rubber MU hoses for durability
  • Models equipped with DCC+Sound will have the new 645E3 20-cylinder prime mover recording by SoundTraxx

The effort continues to enhance Athearn Genesis models per customer requests and feedback. There has been a lot of activity behind the scenes; we’re excited to include new features often requested, to the SD45-2 and upcoming Genesis models.



  • First time offered full SPSF merger “Kodachrome”
  • Illuminated Stratolite beacon on stand, effect with DCC+Sound
  • Leslie S3LR air horn on tall bracket
  • EMD small style snow plow
  • Sinclair antenna on antenna plane
  • “Chickenwire” radiator grilles
  • ATSF style spare knuckles on trucks (engineer’s side)


      • Safety tread on walkways
      • Fine-scale handrails for scale appearance
      • Factory applied wire grab irons
      • Windshield wipers
      • See through cab windows
      • Detailed and painted cab interior
      • Sliding side cab windows
      • Metal lift rings
      • Fully-assembled and ready-to-run
      • DCC-ready features Quick Plug™ plug-and-play technology with a 21-pin NEM connector
      • Scaled from prototype resources including drawings, photographs, and more
      • Accurately painted and printed paint schemes
      • Body mounted McHenry operating scale knuckle couplers
      • 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
      • New LEDs for trouble free operations
      • Bi-directional constant lighting so headlight brightness remains constant
      • Heavy die-cast frame for greater traction and more pulling power
      • Packaging securely holds for the model for safe storage
      • Minimum radius: 18”
      • Recommended radius: 22”


      • Onboard DCC decoder with SoundTraxx Tsunami2
      • Sound units operate in both DC and DCC
      • Some functions are limited in DC
      • Engine, horn, and bell sounds work in DC
      • All functions NMRA compatible in DCC mode
      • Slow speed control
      • Program a multiple unit (MU) lash up with lead unit only horn, bell, and lights
      • Many functions can be altered via Configuration Value (CV) changes
      • CV chart included in operators manual
      • For a complete list of features, visit
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