HO GP40-2, SP #7242

AthearnSKU: ATHG15344



  • All-new LED lighting
  • Rubber MU hoses for durability

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 GP40-2 and upcoming Genesis models.


  • Chickenwire grills
  • Front & rear drop steps
  • Lifting slots on pilots
  • Blomberg-B trucks with appropriate bearing caps
  • Nathan M3 horn
  • Sinclair antenna
  • 81” nose with operating MARS light
  • ACI plates
  • Early exhaust silencer


  • Former Conrail units
  • Corrugated radiator grills
  • Front blunt anticlimber
  • LED front & rear ditch lights; will flash when horn is activated depending on direction of travel (DCC+sound version)
  • CSX style slotted battery box doors
  • Front class lights removed, rear class lights intact per prototypes
  • K5LA horn mounted per prototype road number
  • Different styles of truck bearings, antennas, MU stands, flange lube cabinet and pilot details per road number


  • Chickenwire radiator grills
  • Front & rear drop steps & footboards
  • Gong bell on nose
  • Pilot grabs
  • Illuminated strobe (effect on DCC+sound version)
  • No dynamic brakes
  • 2600 gallon fuel tank
  • Firecracker antenna
  • Nathan M3 horn
  • All-weather window on engineer’s side
  • DT&I style extra grab irons on nose


  • Former DT&I units; see above for major spotting features
  • Front class lights removed.
  • Front class lights retained.
  • Era: 1980s+
  • Front class lights removed. Replacement horn & radio antenna. Retrofitted with ditch lights and waste retention tank.
  • Era: 2000s+
  • Retained gong bell on nose. Retrofitted w/ large snowplow.


  • Chickenwire radiator grills
  • Front & rear drop steps
  • Front medium snowplow, rear footboards
  • Sinclair anrenna
  • Leslie S3L horn
  • Cab rain gutters
  • 2600 gallon fuel tank
  • Road numbers on top of cab


  • Former RDG units; major spotting details remain the same
  • Cab vent on engineer’s side
  • Cab signal box
  • Black patches. Retrofitted with cab signal box
  • Green patches. Peeling paint on fuel tank. Retrofitted with cab signal box


  • Corrugated radiator grills
  • Q fans
  • Straight side sill
  • Angled blower duct
  • Exhaust silencer
  • SP style cab armrests
  • Illuminated front & rear Oscitrol lights; effect on DCC+sound version. Red UDE lights are non-operational
  • Nathan P3 horn on bracket
  • Sinclair antenna on ground plane with conduit
  • Units are depicted in post delivery condition with white painted step edges


  • 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


  • Onboard DCC decoder with SoundTraxx Tsunami2 sound
  • Sound units operate in both DC and DCC
  • Full DCC functions available when operated in DCC mode
  • Engine, horn, and bell sounds work in DC
  • All functions NMRA compatible in DCC mode
  • Precision slow speed control
  • Program a multiple unit (MU) lashup with lead unit only horn, bell, and lights
  • Many functions can be altered via Configuration Value (CV) changes
  • CV chart included in the box


By the early 1970s, many first generation diesels were reaching the end of their service lives. The most common replacement locomotives became the GP40-2. EMD began production of the 16-cylinder, turbocharged, 3000 horsepower engine in 1972. These locomotive were developed for service where higher horsepower and faster service were preferable. A major feature for the GP40-2 was the introduction of the “dash 2” modular electrical cabinet. For more than 40 years, the GP40-2 has worked main line freights, locals, switching jobs, yard service, and helper service. Many remain in service today.


DCC: Ready/21-Pin NEM
Axles: 4
Minimum Age Recommendation: 14 years
Is Assembly Required: No

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