what decoders will fit in a proto 2000 Ho scale gp30?

Model Railroader General Discussion (Model Railroader)
1

read above

2

Digirax H163 LO no need to change lights with this decoder

3

ok thanks dude

4

I’m waiting on a few of those from Tony’s Trains to go put in my Proto 0-6-0s aND 0-8-0s…