I recently acquired this: Sure, even though it's a Tyco product, it's very well-detailed! However, it has a bit of difficulty running. It looks like it wants to run, but struggles. The motor in the tender car makes kind of a squealing sound when I try moving it. I did put a little model...

I just won this engine on EBay. Does anyone know much about it? Does it have smoke? How hard is it to convert to KDee couplers? Will it turn without derailing on a 15 degree radius piece of track? (My Bachmann 2-6-2 and 4-4-0 make it no issue. Tight corner to climb one hill.) Also how...