Plenty of sound advice already posted…
Fuel - Ensure adequate fuel carried, most remote suppliers generate their own electricity, if the gensets fail you wont get fuel.
Tyres - Make sure all tyres including spare are suitable for the task and inflated to the correct pressure, a 20% underinflated tyre will overheat and self destruct. .
Road trains - Some. sections of “beef roads” single lane with steep shoulders, Road trains will not get of the bitumen.
The Gibb - Have had cricket ball size rocks from vehicles launched at me.