Essential 4×4 Mods for Australia Travel — What You Actually Need (2026)
Updated August 2026. We built our Hilux for travelling around Australia and originally wrote this article while working out which modifications were genuinely useful. The old version was too confident about a few things — particularly bull bars, snorkels and UHF as an emergency system — and its 2020 prices had stopped being useful.
The first rule now is simpler: weigh the vehicle and decide what trips you actually plan to do before buying accessories. Every bar, battery, drawer and water tank uses payload. A touring build can become overweight surprisingly quickly.
Contents
My 2026 priority order
For a normal Australian touring 4WD, this is the order I would think about modifications now.
- Appropriate tyres and a full-size spare
- Rated recovery points and basic recovery gear if you will leave formed roads
- UHF radio for convoy and local road communication
- Payload check, suspension and GVM work if required
- Auxiliary battery/power system if you run a fridge or camp loads
- Vehicle protection such as a bull bar when your route justifies the weight and cost
- Snorkel and auxiliary lighting when the actual use case calls for them
That is deliberately different from the old article, which started with a steel bull bar and treated it as universal. Plenty of people can tour Australia safely without one. The right build depends on where and when you drive.
1. Tyres and a real spare
Tyres affect every kilometre of the trip. For mixed sealed-road, gravel and moderate off-road touring, a good all-terrain tyre in a sensible factory-compatible size is usually a better starting point than chasing the largest legal tyre you can fit.
What matters is load rating, durability, availability in remote towns, and whether the tyre suits the surfaces you actually drive. Aggressive mud tyres add noise and compromise road manners if most of your trip is highway and gravel.
I also want a full-size spare, a jack that works at the vehicle’s modified ride height, a wheel-brace solution I have tested, and a tyre-pressure gauge. A compressor becomes very useful once you start lowering pressures for sand or rough tracks.
2. Rated recovery points and recovery gear
If you are going off-road, sort out how the vehicle can be recovered before it gets stuck. Factory transport/tie-down loops are not automatically rated recovery points.
The exact kit depends on whether you travel alone, in sand, mud or rocky country. At minimum, know where the approved recovery points are and carry gear compatible with the vehicle. A shovel and traction boards are often more useful than an elaborate winch setup for ordinary beach and desert mistakes.
3. UHF CB radio
A UHF radio is useful for talking to a convoy, other 4WDs, caravanners and trucks. Common conventions include Channel 10 for 4WD groups, Channel 18 for caravans/campers and Channel 40 around highway traffic. Channels 5 and 35 are reserved for emergency messages.
I no longer describe UHF as your remote emergency system. Range depends on terrain, antenna position and whether anyone is listening. The ACMA allows any CB frequency to be used to attract attention in an emergency, but a radio cannot contact people who are not there.
For genuinely remote travel I want a PLB or satellite communicator for emergency contact, with UHF doing the local vehicle-to-vehicle job. See our current Australian UHF CB channel guide for the channel plan.
4. Payload, suspension and GVM
Before ordering suspension, put the touring vehicle on a weighbridge in something close to travel trim: people, fuel, water, camper or canopy, fridge, tools and the accessories already fitted. Check total mass and axle loads against the vehicle’s legal ratings.
Suspension and a GVM increase are not the same thing. Better springs and dampers can improve how a loaded vehicle sits and controls its mass, but they do not automatically change the legal GVM on the registration record.
For light vehicles, the national VSB 14 code provides technical requirements for modifications, while the administrative and certification process is handled by the states and territories. That means the old article’s generic “get a blue plate” advice was wrong outside the jurisdiction where that terminology applies. Talk to an approved engineer/modifier in the state where the vehicle is registered before assuming a kit changes your legal payload.
5. Auxiliary power
If you run a fridge, lights, laptop charging or camp equipment, separate those loads from the starter battery. Modern touring setups usually use an auxiliary battery with a DC-DC charger, often paired with solar.
I would size the system from energy use rather than copying somebody else’s 4WD. Work out roughly how many watt-hours your fridge and other loads use per day, then choose battery capacity and charging to cover that with some margin.
The old article treated an under-bonnet lead-acid battery as the obvious cheap answer. It can still work on suitable vehicles, but lithium batteries, smart alternators and modern DC-DC chargers have changed the decision. Battery chemistry also affects where the battery can safely be mounted.
6. Bull bar — useful, not automatically essential
A bull bar makes sense when you regularly drive in animal-strike country, particularly around dawn, dusk and at night, or when you need a compatible winch mount and frontal protection. It also adds substantial weight ahead of the front axle.
I would buy a bar designed for the exact vehicle and compatible with its safety systems rather than assuming “steel is always best”. Vehicle modifications need to continue complying with the applicable Australian Design Rules and state or territory in-service requirements.
7. Snorkel — route dependent
A snorkel raises the engine’s air intake and can help it draw cleaner air in dusty convoys. It can also be part of preparing a vehicle for water crossings, but fitting a snorkel does not turn the vehicle into a submarine. Breathers, electrical components, seals, current, depth and the manufacturer’s wading limit still matter.
If your touring is mostly sealed roads, maintained gravel and campsites, I would spend the money elsewhere first. If you regularly follow vehicles on dusty outback tracks, the case becomes stronger.
Auxiliary lights
Good driving lights help on empty country roads, but my first strategy is to avoid driving at night when wildlife risk is high. Lights let you see an animal earlier; they do not make the animal behave predictably.
If you fit them, use legal mounting and switching arrangements and make sure the installation does not obscure required lamps or create glare for other road users.
Solar
Solar is excellent when you stay parked for more than a night or two. The old article estimated everything in amp-hours without specifying voltage and claimed a 300 W panel would easily provide more than 100 Ah a day. That is too optimistic as a general rule.
Think in watt-hours instead. A nominal 300 W panel only produces 300 W under favourable test-like conditions; real daily yield changes with season, latitude, temperature, cloud, shade, panel angle and regulator losses. Build enough battery capacity to survive poor solar days rather than sizing the system from a perfect noon reading.
Mods I would wait on
- Big lifts and oversized tyres: buy them when terrain requires them, not because every touring build online has them.
- Long-range fuel tanks: work out the longest fuel gap on your planned routes first. A jerry can may solve an occasional range problem with less permanent weight.
- A generator: most modest 12 V touring setups are easier to run from battery, alternator and solar.
- Huge drawer systems: convenient, but heavy before you put anything in them.
- A winch: valuable for solo technical travel; less compelling for easy tracks where you travel with another properly equipped vehicle.
The modification that matters most: less weight
Our old approach was to ask which accessories we could add. I now think the better question is what we can leave off. Weight affects braking, suspension, tyres, fuel use, handling and how much legal payload remains for water and people.
Start with the route, weigh the vehicle, solve the actual problems you find, and add equipment in that order. You will usually end up with a cheaper and better 4WD.
