Southern Digital




SKU amd4 Category

The ASD4 is a N-scale drop-in decoder for Atlas locomotives. Examples include the following:


  • GP7/GP9
  • GP15
  • GP30
  • GP35

See the installation pages for a full list of compatible engines!

Availability: 7 in stock (can be backordered)

Scales: Z and N Scales Lighting Effects: NO Installation Type: Plug and Play
Current (RMS): 1 Amp Current (Peek): 2 Amps Function Outputs: 4 @ 100ma
Size Length: . .NA Size Width: . NA Size Height: . NA
Addressing: 2 and 4 Digit Consisting: Basic/Advanced Decoder Reset: N/A
Speed Steps: 14, 28 and 128 Quiet Motor Mode: Yes Plug in Wire Harness: No
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