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Discussion Boards => HO => Topic started by: JNXT 7707 on April 04, 2013, 09:19:22 AM

Title: DD40AX for DC operation
Post by: JNXT 7707 on April 04, 2013, 09:19:22 AM
I have a new Bachmann DD40AX "DCC on board" on its way, and wondering if I can put it on my DC layout immediately or if it requires making an adjustment to the decoder?
It is advertised as dual mode, but not being DCC-savvy not sure what is entailed.
Thanks
Title: Re: DD40AX for DC operation
Post by: jward on April 04, 2013, 09:24:46 AM
the short answer is yes it will run on dc. but since the decoder will use up about 5 or 6 volts of your track power you will find the loco's performance sluggish. look for a dummy plug in the box, open up the loco, unplug the decoder and use the dummy plug in the socket. this will restore full dc performance.
Title: Re: DD40AX for DC operation
Post by: JNXT 7707 on April 04, 2013, 01:23:31 PM
Thanks! That's just the info I was looking for.
Title: Re: DD40AX for DC operation
Post by: richg on April 04, 2013, 02:55:01 PM
Below is the diagram you got with your loco. It has the instructions.

http://www.hoseeker.net/assemblyexplosionbachmann/bachmannspectrumdd40axdccpg2.jpg

Rich
Title: Re: DD40AX for DC operation
Post by: JNXT 7707 on April 04, 2013, 08:37:44 PM
That's a big help, seeing the diagram. Appreciate you sending it!
Title: Re: DD40AX for DC operation
Post by: JNXT 7707 on April 05, 2013, 06:14:17 PM
Just to close this out - DD40AX arrived today  :)

Although a bit nervous performing surgery on the brand-new beast, it went just fine and it's running great! Thanks guys.
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