The last time I checked the cost was over $100 for the conversion. Then add a solid state reverse unit and cost is $140. It is much easier to buy a later production can motor GP7 on the bay for $100-125 and just use the parts. You can just exchange the shell or transfer the power truck and reverse unit. The truck side frames are interchangeable. You can even sell what’s left as a dummy by removing the armature from the old power truck.
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