I just got a "new" (supposedly open box but never used) gp30 with DC and Soundtraxx.  Put it on the track (DCC) and selected "3"--everything seems to work, the sounds work, the lights work, but it doesn't MOVE.  The "engine" throttles up and down, but the wheels don't turn.  The instructions don't include information on the CVs.  I assume it's a simple problem--can anyone help?  How can I reset it to factory defaults?  If I can't get it to move, it's going back to the seller!

I have three older regular (white box) Bachmann diesel locomotives.  These were purchased new retail 25-30 years ago, never run and stored in a clean closet.  When I took them out recently to try them, they all ran horrible with the same problem.  They make a loud but regular rattling/rasping noise, although they do run and the lights work.  These units have the small motor mounted directly on one truck, with wires to the other (pickup only) truck.  If I can attach a video, I will do so and it will demonstrate how these units currently run.  I have lubricated the truck gears and removed/cleaned the motor brushes.  I have NOT taken the motors apart.  While they do run a little bit better, this obviously did not fix the problem!  Since I found this on 3 different locomotives (GP9, GP30, GP50) I assume this is a common problem.  Has anyone else encountered this, and if so, were you able to fix it?  I appreciate any suggestions!
Dave
PS Apparently I can't include even a tiny video (too large).  Sorry; hope this still makes sense.  If anyone knows of a way to show a short video, please let me know.

Thank you, Len, for the advice.  May I get a bit more?  You mention adding straight track in several lengths--do you mean to cut regular snap track to the appropriate length and somehow supporting it, splicing it in between bieces of EZ track, or just cutting up pieces of EZ track to the correct lengths?  I don't see that EZ track is available in the lengths you mention.  You say to add 3/4" straight extensions on the OUTSIDE (28") track on both ends of the crossover (there will be 9" straight pieces on both tracks at both ends of the crossover).  Will I need to do this on the other crossover (other side of the layout) too?  Or will I just be cutting straight pieces to fit on that side?  You also mentioning adding 4-1/2" straight on the 26" curve and 5-1/4" straight on the 28" curve, obviously I would need to add this on both ends of the double track oval.  This would then make the parallel tracks line up with the 2nd crossover from both directions (with straight track added as needed to reach the crossover)?  I hope this makes sense as the language has gotten complicated!  Thanks again for the advice.

Hi, new to forum and to modeling, so apologies if I'm doing this wrong.  I can't figure out how to start a new thread, but my question is close to this topic so hopefully someone will be able to provide an answer here.  I am planning a 5x9 layout using EZ track, with a double track main line oval around the perimeter.  Outside track will be 28" radius, inside 26" radius.  I am hoping to use the EZ track crossovers, one on each of the long straight sides.  With the track curves of these radii, will the crossovers line up with both tracks? That is, are the two straight tracks on the crossovers the right distance apart to line up with my curves on both sides of the layout?  (Obviously I can line up both tracks on the first side easily, but if I do so, will the distance between the tracks on the other side of the layout be the right distance apart for the crossover on that side?)