Hi I'm new and also seeking assistance.

I have an American HO 4-4-0 and it came with two drives.  I've seen the N gauge Bachmann Store PDF but that didn't help.

The long shaft doesn't work well but before ordering a new one, is there anything else I could check?

(photos are on another website, sorry) http://www.wheelsonsteel.com.au/showthread.php?tid=6705