I think Larry got that one?
https://ogrforum.com/member/larry.sr
I don't have that one. I do have many Dash 8s including the recent CSX version. It's the lead engine in this video:
They will run on any stable (smooth type) power supply. I have run mine with DC from the Bridgewerks packs, AC from the MTH bricks, and also the Lionel 180w bricks.
I run mainly Aristo stainless outside and a mix of brass and stainless inside.
here's another MTH engine with PS3 that I custom built: