Tracks on an abandoned railway line smoulder near Freeling.
Victorian Premier Daniel Andrews also said on Wednesday night 200 volunteers and 50 trucks.
At least 16 homes have been destroyed, as well as outbuildings, vehicles and farm machiner.
Dramatic pictures taken on Wednesday afternoon showed the dark skies as fires continued to.
The out of control fire north of Adelaide claimed the lives of a man and woman on Wednesday and 13 others are in hospital, some in serious conditions with significant burns.
The people killed - a woman from Hamley Bridge and a man from Pine.
A shed was destroyed in Freeling but the owners were lucky to have their house spared on W.