Ifyou power your layout with DCC, then you willneed a decoder in each locomotive in order to run it. Itwill permit you to install a decoder that has a 6-pin plug attached into a model that has an 8-pin socket.
Bachmann EZ Command 6 Pin Decoder Socket with 8 Pin Plug (x3) DCC Control 36-563
Bachmann 36-563 6 Pin Decoder Socket with 8 Pin Plug
6 Pin Decoder Socket with 8 Pin Plug x3 Bachmann 36-563
Bachmann DCC 36-563 6 pin decoder socket with 8 pin plug (pack of 3)
Bachmann 36-563 6 Pin Decoder Socket with 8 Pin Plug (Pk3)
36-563 Bachmann 6 Pin Decoder Socket with 8 Pin Plug (x3)