2000 Holden Jackaroo Holden Jackaroo 2000 otherwise badged as Bighorn and Isuzu Troopie. Air Lockers I go wheeling in Queensland Australia. How To Lift Your 4x4 Truck! Hot, dry and dusty. Cold, wet and muddy depending on time of year. Great beach and forest driving. Many 4WD Parks as well. BrentAustralia