HO Scale: SD40-2 w/DCC & SOUND - Southern

Athearn

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Athearn Ready to Roll HO Scale: SD40-2 w/DCC & SOUND - Southern

The EMD SD40-2 is a 3,000-horsepower (2,200 kW) C-C diesel-electric locomotive built by EMD from 1972 to 1989.

The SD40-2 was introduced in January 1972 as part of EMD's Dash 2 series, competing against the GE U30C and the ALCO Century 630. Although higher-horsepower locomotives were available, including EMD's own SD45-2, the reliability and versatility of the 3,000-horsepower SD40-2 made it the best-selling model in EMD's history and the standard of the industry for several decades after its introduction. The SD40-2 was an improvement over the SD40, with modular electronic control systems similar to those of the experimental DDA40X.

Peak production of the SD40-2 was in the mid-1970s. Sales of the SD40-2 began to diminish after 1981 due to the oil crisis, increased competition from GE's Dash-7 series and the introduction of the EMD SD50, which was available concurrently to late SD40-2 production. The last SD40-2 delivered to a United States railroad was built in July 1984, with production continuing for railroads in Canada until 1988, Mexico until February 1986, and Brazil until October 1989.

SD40-2s are still quite usable nearly fifty years after the first SD40 was made, and many SD40s and locomotives from the pre-Dash-2 series (GP/SD 40s, 39s and 38s, and even some SD45s) have been updated to Dash-2 specifications, possibly including downgrading from 20-645E to 16-645E engines, including, certainly, Dash-2 electrical controls, although the pre-Dash-2 frames cannot accommodate the somewhat similar HTC truck in the space allocated to the Flexicoil C truck (the frame is not long enough). Most SD40-2s which remain in service have by now been rebuilt "in-kind" for another 30 to 40 years of service, although a few (under 30) have been rebuilt to incorporate a 12-cylinder EFI-equipped 710G engine.

LOCOMOTIVE FEATURES:

  • Fully assembled and ready-to-run
  • Four road numbers
  • Coupler cut levers with loops
  • Trainline and MU hoses with silver ends
  • "Mushroom" nose vent on right side
  • Separately applied wire grab irons
  • Antiglare panel
  • Standard late Dash-2 4-window cab without louvers or roof seam
  • See through cab windows
  • Sliding cab side windows
  • Welded ECAFB
  • See-through dynamic brake and radiator fans
  • Fine scale handrails
  • Frame mounted bell
  • Detailed 4000 gallon fuel tank
  • Separately applied air tanks
  • Speed recorder attached to appropriate axle per prototype (except undecorated)
  • McHenry scale knuckle spring couplers
  • Highly-detailed, injection molded body
  • Painted and printed for realistic decoration
  • Bi-directional constant lighting so headlight brightness remains consistent
  • All-wheel drive with precision gears for smooth and quiet operation
  • All-wheel electrical pickup
  • 5-pole motor with flywheels and multi-link drivetrain for trouble-free operation
  • Compatible with ATHG63839 Genesis motor retrofit kit
  • Window packaging for easy viewing
  • Interior plastic blister safely holds the model for convenient storage
  • DCC Ready 8 and 9 pin Quick Plug technology
  • Available also with factory installed RTR Sound by Soundtraxx
  • Nickel plated, blackened machined wheels
  • Wheels with RP25 contours operate on Code 55, 70, 75, 80, 83, 100 rail
  • Replacement parts available including motor brushes
  • Minimum radius: 18"
  • Recommended radius: 22"
Southern Features
  • Chicken wire grills
  • No anticlimber
  • "Slotted" Battery boxes
  • Early extended dynamic brakes
  • Walkway lights, 3 per side
  • P-3 horn on each end
  • Hood end-mounted bell
  • Firecracker antenna on cab
  • Cab side vent
  • Cab side mirror: left side only
  • 81" high nose with early ratchet brake
  • Tall snowplows front and rear
  • Late-style cut levers
  • Early speed recorder
  • Era Mid 1970's+


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