The Farish 2019 SECR Wainwright C is the easiest N gauge steam model to fit DCC sound into so far - very nice job Bachmann!
Lift out the coal load, protect the speaker with a bit of tape/Kapton, replace the Next18 blanking plate with the MX658N18
decoder and you're done!
Photos above courtesy of Tom Everitt.
Here, another example. this time in beautiful SECR lined green...