These Track Master frames are factory frames which have been precision machined to accommodate the new MRC DCC with Sound decoder with speaker (MRC part number 0001636).

Click here to read Model Railroader's product review "MRC + Aztec = DCC sound for N scale" by David Popp.

For installation follow the manufacturer's instructions that are included with your decoder board. Click here for the PDF version of these instructions.

Click here to see Jim Reising's sound installation in an Atlas GP40 Plug and Play locomotive..

If you don't want to "do-it-yourself", please see our list of DCC installers.


Example of a Track Master frame in an Altas GP40.

(Photo by Jim Reising.)

It's easy to place your order. Just send us your stripped down stock frame(s), along with payment, and we will send back Track Master DCC-ready frame(s), usually within 48 hours.

Example of a frame to be sent to us—no nuts, screws or clips.

Locomotive
Part Number
Price
Decoder
Atlas PnP GP38, GP38-2, GP40, GP40-2 TM3100S $20.00 ea MRC 1636
Atlas PnP SD35 TM3101S $20.00 ea MRC 1636
Atlas PnP SD7, SD9, SD24, SD26 TM3102S $20.00 ea MRC 1636
Atlas PnP B23-7, B30-7, B36-7 TM3103S $20.00 ea MRC 1636
Atlas PnP Dash 8-32BW/BWH, Dash 8-40B, Dash 8-40BW TM3104S $20.00 ea MRC 1636
Kato non-PnP SD40/45 (2 light boards) SD40/45 Installation Instructions TM3105S $20.00 ea MRC 1636
Atlas PnP U25B TM3106S $20.00 ea MRC 1636
InterMountain PnP SD40T-2, SD45T-2 TM3107S $20.00 ea MRC 1636
Atlas PnP U23B TM3108S $20.00 ea MRC 1636
Athearn SD70 family
TM3109S $20.00 ea MRC 1644