Renumbering
Changing a locomotives identity is one of the easiest ways to create something a bit more individual, maybes a particular favourite you remember.
Renaming
The addition of etched plates always adds additional authenticity and individuality to a locomotive.
Repainting
Repainting can involve anything from basic livery embellishments, perhaps a particular roof colour, or a complete new colour scheme.
Weathering
Using reference photographs to work from, and never just guessing at what we ‘think the item may have looked like’, I personally think weathering of model railway stock is the single biggest aspect of transforming a model into something much closer to representing the prototype.
Dcc sound chip fitting and programming.
DCC brings with it a whole new world of control-ability, and ultimately more involving and realistic operation. Running characteristics can be altered and improved, individual light functions can be easily controlled.