Fly-half Matt Giteau punished the hosts with six penalties, Stirling Mortlock adding another long-range effort.
Australia took a further grip in the opening minutes of the second half as Mortlock powered over.
He is a grafter and it is a loss for England but he is not a Stirling Mortlock.
And in the Tri Nations, Australia's Stirling Mortlock was injured by a challenge from South Africa's Bakkies Botha.
Ramadu and Mahatevan, both of Stanley Road, and Davis, of Mortlock Avenue, are due to be sentenced in December.
Australia's Nathan Sharpe forced a wide pass in midfield and Breyton Paulse swooped in front of Stirling Mortlock to intercept.
Matt Giteau added a third try, with Stirling Mortlock kicking 10 points to put them top of the Tri-Nations table.
Morgan Turinui comes in at outside centre in place of Stirling Mortlock while Wendell Sailor replaces Clyde Rathbone on the wing.
BBC: SPORT | Rugby Union | Internationals | Flatley returns to Aussie line-up
Stirling Mortlock retains the captaincy as the Wallabies look to rebuild following their World Cup quarter-final defeat to England last October.
Australia, inspired by the running of captain Stirling Mortlock and wing Lachie Turner, raced into a 20-0 lead after 23 minutes.
Wallabies captain Stirling Mortlock was left to reflect on some "poor discipline" and turnovers that saw his side's victory hopes slip away.
Mortlock, who replaced George Gregan as skipper last season, said he was looking forward to the challenge of moulding a new team.
Fortunately for the hosts, Giteau's pass was knocked on by skipper Mortlock.
Melbourne are targeting big names in their rookie season and the new franchise have also reportedly been linked with former Australia captain Stirling Mortlock.
Australian captain Stirling Mortlock had a chance to snatch victory with a 47-meter penalty with two minutes left, but the ball drifted well wide.
In Friday's other game, skipper Stirling Mortlock scored two tries and created another as the ACT Brumbies thrashed the Cats 68-28 to go top.
Mortlock was only able to convert one of them though, in the seventh minute, and the England forwards constantly made things uncomfortable for their opponents.
And once again Wilkinson made the difference with four penalty goals to an Australian try by Lote Tuqiri and five points kicked by Stirling Mortlock.
Somerville joins Danny Cipriani, Gareth Delve and Stirling Mortlock at Rebels.
But a Giteau penalty and Lote Tuqiri's try on the hour made it 20-3 before Adrian Jacobs scored two tries either side of Stirling Mortlock's clincher.
Tries in each half from Lote Tuqiri and captain Stirling Mortlock secured victory for the Wallabies who have won fourth straight under new coach Robbie Deans.
But the Wallabies effectively sealed victory 12 minutes from time when Giteau, Ryan Cross and Mortlock combined to send Ashley-Cooper in for a swallow-dive at the right corner.
Matt Giteau and Mortlock in midfield are a great combination.
But Mortlock swiftly ended any thoughts of a late comeback when he cut inside and bludgeoned his way through some flimsy tackling for a decisive try converted by Giteau.
Japan had clearly earned the respect of their opponents and Mortlock took no liberties when two kickable penalties came his side's way, slotting both for a 6-0 lead after 16 minutes.
Mortlock kicked his second penalty to put Australia into the lead after 52 minutes before Giteau went over with South Africa down to 14 men after hooker Gary Botha was sin-binned.
His sixth successful kick at goal swiftly followed, and when Mortlock's monster penalty from just inside the England half drifted over in the 65th minute, Australia were in command at 21-14 up.
But only two minutes later, Mortlock left the field with a suspected concussion and after Australia gave away a penalty in the scrum, Springboks flyhalf Butch James closed the gap to 13-6.
Mortlock and Turner were both denied further tries before the Baa-Baas got off the mark with the last move of the half, a length-of-the-field effort finished by Balshaw in the left corner.
Mortlock added a penalty to make it 17-10 at the break, and the hosts were level four minutes into the second half when Mortlock landed the conversion after number eight Hoiles crossed wide out.
应用推荐