I am trying to purchase another H4561B-L remote controlled turnout.  I cannot find one listed in the on line store.  Is 44557 the new replacement?  Will it fit into the layout where a H 4561B-L non remote control is currently installed?

I have an Bachmann F7A and while doing a DCC decoder install I broke the Drive Shaft (N112A-00E04) for the rear wheel set.  I am trying to find a replacement part for that and so far I am not doing well!!   Anyone have any ideas??   Thanks in advance.

I am having intermittent derailing problems with my Bachmann turnouts (Nickel Silver w/gray roadbed).  I have used the NMRA gauge and I am finding all of the Guard Rail to Stock Rail distance is too large (tab drops into opening between rails).  This is on ALL 11 switches.  it is so large that the tab on the "No Go" side of the gauge is able to "bounce" between the rails.  I find it hard to believe that ALL are out of spec.  Am I doing something wrong and/or should I be concerned. 

Are the handrails supposed to be glued to the small nubs on the track section or do these nubs come out/drilled out?

I have an old (10+ yrs) Hawthorne village US Navy Train that I want to convert to DCC.  I believe that this is an F7A locomotive.  I have researched the schematics and basic "how to's" so I have a little understanding of what to do but wanted to know if there are any guidelines/instructions to follow?   Engine runs now on DC.

Thanks in advance.