Sam Thaiday,
Jharal Yow Yeh, Greg Inglis, Thurston and Lockyer scored the Aussies' tries and Thurston landed five goals.
But the Kangaroos, who had led early on through Sam Thaiday, broke the hosts with
Jharal Yow Yeh, five-goal Jonathan Thurston and Greg Inglis all crossing.
Jharal Yow Yeh, man of the match Jonathan Thurston and Greg Inglis all touched down in the closing stages before Lockyer wrapped things up with a dream final play - before causing laughter when he sliced his conversion attempt wide from in front of the posts.
Then Thurston, Greg Inglis,
Jharal Yow Yeh and Cronk all scored in a masterful 10-minute spell to take Australia over the 50-point mark.
When
Jharal Yow Yeh, competing with Josh Morris for a wing spot at Elland Road, lost the ball on his own 20-metre area it gifted Wales a glorious attacking position and they made the most of it.
Half-back Daly Cherry-Evans and forwards Beau Scott and Corey Parker will make their Test debuts while
Jharal Yow Yeh and Josh Morris, who have two caps between them, will get the chance to compete for a wing vacancy for the final.
Greg Inglis, Sam Thaiday, Cameron Smith and
Jharal Yow Yeh all touched down in the first 34 minutes to give the Maroons that unassailable lead.
But Shaun Kenny-Dowall was dragged into touch and, from the resulting play, the Aussies switched to their right and Lockyer laid on a pass to Paul Gallen who put
Jharal Yow Yeh in for a try.
Shortlisted for rookie of the year are Australian three-quarters
Jharal Yow Yeh and Jamal Idris and New Zealand's Matt Duffie, while Leeds' Brian McDermott is vying with Des Hasler (Manly Sea Eagles) and Craig Bellamy (Melbourne) for coach of the year.