Three simple words... Independent Front SuspensionMihiT wrote: For the canning stock route, or any severly corrugated road: you either have to keep your speed up at 80-90 and fly over it (with less control and less chance to avoid kangaroos that will be doing a similar speed into you!) or get VERY good shocks with remote reservoirs and plenty of cooling.
Last thing you want in those types of conditions is a few hundred pounds of unsprung mass shaking the vehicle apart and the tyres spending most of the time off the ground!