Australia staged one of the biggest comebacks in Rugby Championship history to stun Argentina in a 45-34 win.

Dane Haylett-Petty scored twice and Bernard Foley converted all five of Australia's second-half tries as they pounced on the Pumas following a "personal" pep talk from Michael Cheika in the changing room.

The Wallabies were down 24 points at half-time, with flanker Michael Hooper's try in the 14th and subsequent conversion by Foley all Australia had on the board.

The break saw the entire front row replaced - the change accompanied by some choice advice from the coach.

"It's not really for public airing but this game is personal," he told Rugby.com.au.

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The benefit was almost immediately apparent and the Wallabies regained 19 points in 11 minutes.
Izack Rodda's try in the 44th was converted by Foley, who was true with the boot.

Within minutes Israel Folau scored again and Haylett-Petty took another try two minutes after that.

Santiago Gonzalez Iglesias added three to Argentina's tally with a penalty in the 61st, but a try for David Pocock soon after finally put the Wallabies ahead.

Haylett-Petty scored again in the 66th and a penalty successfully taken by Foley with five minutes left on the clock completed Australia's historic feat.

The comeback topped an 18-point rally by South Africa against New Zealand in 1998, Rugby.com.au said.