What buses do svs 60 get when MK2s retired in 2005?

BlessingSatan SG

As above,My guess will be MK3s for Single decks and batch one VOs for the Double decks.MK4s and VOs batch 2 will be deployed ocassionally.What’s your views on this?

SBS9818A SG

VOs would be retained. Sv. 60 might get Mk IIIs or Mk IVs.