Class 66 - DRS - 66421 - DCC Sound Fitted Bauxite The decoder switches between the

The decoder switches between the operating modes fully automatically "on-the-fly"

In the versions with PluX22 or 21MTC interface

Custom ‘Accurathrash’  Speaker Technology including large ‘Accurathrash’ Style Bass Speaker (on DCC Sound-fitted models only)

Numerous individual differences between wagon types* Three body styles: as built

Class 66 - DRS - 66421 - DCC Sound Fitted Bauxite The decoder switches between theOne engine that hasnt changed operators was DRS owned 66421. This particular locomotive was delivered on the 9th September 2007. Originally carrying the DRS compass livery, the locomotive was soon put to work on a variety of the companies trains. 66421 was refreshed with the new simplified DRS livery during 2015 and ran unnamed until 2018 when it featured at the DRS Crewe Gresty Bridge TMD open day where it was named after the depot.