Australia complete West Indies sweep to close in on World Test Championship final.
The visitors lost 10 wickets on day three across two innings, with Australia piling up 199 for 6 declared.
Labuschagne, Head put on a 297-run stand for the fourth wicket.
They combined for an unbeaten fourth-wicket partnership of 199 to power Australia to a commanding position.
Nathan Lyon the hero as World Test Championship picture becomes clearer.
Marnus Labuschagne notch a rare milestone as he added a century to his first-innings double.
West Indies collapsed to lose last 7 wickets for just 74 runs.
Chanderpaul debut knock lifts West Indies after Labuschagne, Smith flay double hundreds.
At the end of the end of first day play, Labuschagne (154*) and Smith (59*) stood tall for Australia.
Australia will play their first match of the series against West Indies on December 4 at the Perth Stadium.