I am restoring a 2-8-0 and am in need of a pinion gear. I've dug through all of my pinions from my slot car hobby, but they are all the wrong size.

I see Bachmann offers the entire motor assembly but I don't need all of that.

Any ideas where to find one?

Shaft is 2mm
10 tooth
5.85 OD
2mm tooth height
2.5mm total height

That's what I was afraid of. Since we're not doing DCC my only hope is to find someone locally that has a DCC layout and is willing to take the time to help. Where are you engineer Obi Wan? 

So in trying to fill out our fleet for modeling Cass Scenic Railroad, I picked up the last of our logging locos, a Bachmann Climax (3 truck). I had read, and been told, that we could run a DCC equipped loco on our DC layout, but that we would not be able to make use of all of the many functions. Made sense and I was okay with that so I proceeded with the purchase. That was all well and good until this loco arrived and was promptly put on our test track.

The sound is, well, annoying. The constant chuffing might be okay if it didn't sound like it was recorded in a tin can. Perhaps it's the speaker? Either way, I do not want to hear that the entire time the train is running. I can handle the 'bell' and the 'whistle' sounds that occasionally occur, but the chuffing has to go.

According to my sources, the only way to adjust the sound is to put it on a DCC layout, but there is nothing that I have read that says that the changes will stay set when moved to a DC layout. Is this possible?

I guess I could just disconnect the speaker/chip/board, but then I have something that is useless to me, a fancy DCC loco. Maybe a trade with someone for a non DCC loco is possible. Of course the only catch there is that it would have to be the Cass Scenic RR road name.

Anywho, if there is a way to adjust this DCC model on our DC track I'd appreciate any insight/help that you all could provide. I don't want to relegate it to display duty at C.S.R.R..