Colac world truck record falls to Queensland Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window) Mansfield’s David Daws with a 1923 AC Mack Truck, the oldest Mack in Australia which was part of a Colac Mack Muster in 2010. Contact the authorby Lachlan Cowlishaw September 30, 2011 A QUEENSLAND truck show has broken a world record set in Colac. Unlock full access to Colac Herald - Subscribe today! Subscribe Now Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)