Well here are the NSW 442 & JL class locomotives all have been copied from full protoype numbers, from top to bottom.
Tuscan, modeled on 44211 preserved at NSWRTM
Silverton, modeled on 442s5
Green, modeled on JL 402
Freight Rail blue, modeled on 44240
SRA candy, modeled on 44212
These are not being released Ausset, but these will up for downloading soon. I am still do do some more shading, and after that, if all goes well, you will be able to operate jumbos on you copy of TTD.