I've just compared this foto to one of a Proto model, and if I didn't know about the number boards I doubt I could tell the difference. amazing job.Still the odd bit to do I think but it is as good as I am going to get it:
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This thread will probably become my general locomotive workbench thread at some point.
The good news is that finally a stock of Details West HL-200 headlights have appeared so a certain SD40 number 7342 is on the cards...