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Athearn Genesis HO SD70M UP Union Pacific w/PTC (Ex SP) #3798 DCC Ready
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Athearn Genesis HO SD70M UP Union Pacific w/PTC (Ex SP) #3798 DCC Ready

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Scale Guide

DCC Ready



  • From first production group of UP SD70Ms. This particular unit was used to lead the Big Boy, also numbered 4014, on its trip from West Colton to Cheyenne.

#3978, 3997:

  • Former SP units repainted into variation of UP lightning stripe scheme. Equipped with PTC antennas.


  • Patched former SP unit; lasted until 2004 before being fully repainted.


      • Fully-assembled and ready-to-run
      • DCC-ready features Quick Plug™ plug-and-play technology with 21-pin NEM connector
      • Scaled from prototype resources including drawings, field measurements, photographs, and more
      • Accurately-painted and –printed paint schemes
      • Coupler cut levers
      • MU hoses
      • Trainline hose
      • See through cab windows
      • Full cab interior
      • Walkway tread
      • Fine-scale Celcon handrails for scale appearance
      • Windshield wipers
      • Lift rings
      • Wire grab irons
      • Detailed fuel tank with fuel fillers, fuel gauges, & breather pipes
      • Sander lines
      • McHenry scale knuckle couplers - Kadee compatible
      • Genesis driveline with 5-pole skew wound motor, precision machined flywheels, and multi-link drivetrain
      • All-wheel drive with precision gears for smooth & quiet operation
      • All-wheel electrical pickup provides reliable current flow
      • Wheels with RP25 contours operate on all popular brands of track
      • LED Lighting for realistic appearance
      • Heavy die-cast frame for greater traction and more pulling power
      • Packaging securely holds for the model for safe storage
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