Decoder for Atlas GP35

[atsfrules]

I recently purchased an Atlas GP35 that I think is from about 1992.  What decoder is possible to use in this loco?  Also, which coupler conversion kit can be used?  Thanks for the help in advance.

Jerold

[Steveruger45]

Hi Jerold
If it is the Atlas Kato one (like in the photo) and you don’t want to do major frame milling, then you can use the TCS CN-GP decoder as this and the similar CN decoder are both in two pieces to fit this type of frame.  Either of these will fit.
Here is a link to TCS site for reference.  https://tcsdcc.com/decoders/n-scale

And here is the install guide. https://tcsdcc.com/sites/default/files/2018-09/Classic%20N%20Installation%20Guide.pdf

These locos came with full pilots and Rapido couplers which are clipped in IiRC and therefore a MT1015 will fit.
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[atsfrules]

Great, thanks for your help Steve!