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HM 7000: A Guide To Decoder Sizes And “Will It Fit In My Locomotive?”


Hornby's new Decoder series "HM7000" is a game changer in controlling your model railway. There is no doubt about it.

The system has a load of potential if Hornby plays their cards right. Hornby, if you are listening: A Plux22 version of your decoder is a must!

You can read more on the Hornby website: Hornby HM7000

The decoders have both DCC and Bluetooth capabilities which causes the decoder PCB to be a bit larger on some decoders than the NEM specifications allow. This might cause problems when trying to install the decoder in some locomotives. This guide will help you determine which decoder will fit in your locomotive.