Tyre problems are the single most common mechanical issue Big Lappers encounter. Punctures, slow leaks, and blowouts happen, and they tend to happen in remote places where roadside assist is hours away and the nearest tyre shop is in the next town. Being able to manage your tyres yourself isn’t optional for extended travel.

“Managing your tyres” goes beyond carrying a spare. It means being able to air down for off-road sections, air back up for the highway, monitor pressures while driving, repair a puncture at the roadside, and change a wheel safely on soft ground. This guide covers every piece of tyre gear you should be carrying, with links to our detailed product guides for the bigger categories.

Tyre Deflators

If your Big Lap takes you off sealed roads (and it will), you need to air down your tow vehicle’s tyres for sand, corrugations, and gravel tracks. A tyre at 18 PSI grips sand dramatically better than one at 36 PSI, and the ride on corrugations goes from bone-rattling to tolerable.

There are three main types of deflator, and which one suits you depends on how often you air down and how much you value speed vs precision.

Automatic deflators are the most popular choice. You pre-set your target PSI, screw them onto all four valve stems, and they release air until they hit the target, then stop. Walk away, make a coffee, come back to four perfectly matched tyres. Staun (~$80-120 for a set of four) is the benchmark that’s been around for decades. CampBoss Boss Air deflators (~$80-125) are a strong modern alternative that claim to deflate twice as fast.

Manual and digital deflators combine a pressure gauge with a bleed valve. You press the tool onto one valve at a time, read the exact pressure, and release air until you hit your target. More precise than automatic deflators but slower since you do one tyre at a time. The Mean Mother 2-in-1 Deflator and Gauge Kit and ATI Digital Tyre Deflator are the standouts.

Permanent quick-deflate valves like the iThrottle Quick Deflate Valves Pro replace your existing valve cores and stay on the tyre permanently. Twist the cap to open and a 35-inch tyre goes from 40 to 20 PSI in about 30 seconds. Dramatically faster than any other method, but you deflate by time rather than target pressure, so you still need a separate gauge to verify.

For most Big Lappers who air down a few times a month, a set of automatic deflators is all you need. If you air down weekly or more, consider an all-in-one multi-tyre system like the Clearview Tyre Spider or Tuff Terrain Multi Tyre Kit that handles all four tyres simultaneously.


Air Compressors

After airing down, you need to get back to highway pressure before hitting sealed roads. A portable 12V compressor is non-negotiable for any Big Lapper going off sealed roads. The key specs that actually matter are flow rate (how fast it pumps, measured in LPM) and duty cycle (how long it can run before overheating).

Smart compressors like the CampBoss In-Flate 2 (~$250-350) let you set a target pressure and inflate two tyres simultaneously, stopping automatically when the target is reached. No standing there watching a gauge. Do the fronts, then the rears.

High-output compressors prioritise raw speed. The Tuff Terrain V4 (~$490-530) pushes 400 LPM with a 100% duty cycle, inflating a 35-inch tyre from 10 PSI to 40 PSI in just over 2 minutes. The XTM Dual 300LPM (~$200-300) and Kings Thumper Max Dual (~$150-250) offer strong flow rates at more accessible prices.

Cordless battery compressors (Ryobi, Milwaukee, Makita) are convenient for topping up a slightly low tyre at camp, but they won’t replace a dedicated 12V unit for reinflating from sand pressure. The battery runs flat before you finish four tyres.

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Tip

In Australian summer heat (40Β°C+), even quality compressors work harder. If the unit is too hot to touch, let it cool before continuing. An overheated compressor that dies halfway through your fourth tyre is worse than a slow compressor that finishes the job.


Tyre Pressure Monitoring Systems (TPMS)

A TPMS watches your tyre pressures and temperatures in real time while you drive. If a tyre starts losing pressure or running hot, you get an alarm before it becomes a blowout. For a tow vehicle and caravan combination, where a rear tyre failure on the van can be invisible from the cabin until it’s catastrophic, a TPMS is close to essential.

The system uses sensors on each tyre (either external, screwed onto the valve stem, or internal, mounted inside the tyre) that transmit to a display unit on your dashboard. You need enough sensors for your full rig: typically 6 for a single-axle van or 8 for a tandem.

Safety Dave (~$359-489) is the most established TPMS brand in Australian caravanning, supporting up to 22 sensors with a 3.5-inch LCD display and local phone support. iCheck IC008 (~$370) has the smartest features: auto-calibrating alerts (just screw on and go) and stationary monitoring that catches slow leaks even when the van is in storage. Tyredog (~$200-350) is another well-proven option at a competitive price.

Bluetooth-only TPMS systems are cheaper (~$50-150) but struggle with signal range on towing setups. The Bluetooth signal from a caravan’s rear tyres often can’t reach a phone in the tow vehicle’s cabin. A dedicated display unit is more reliable for towing.


Tyre Pressure Gauges

A quality digital tyre pressure gauge is the simplest and cheapest piece of tyre gear you’ll buy, and one of the most important. Check your pressures cold before every driving day. The cheap pencil-style gauges that come in servo air hoses are unreliable and can be out by 5+ PSI, which is the difference between correctly inflated and dangerously underinflated.

Spend $20-40 on a proper digital gauge accurate to 1 PSI. Look for a backlit display (checking pressures at dawn is common), a bleed valve (to release small amounts of air if you’re over-inflated), and a PSI/kPa/Bar toggle. Brands like ARB, Mean Mother, and Ironman 4×4 all make reliable units.

Some digital gauges combine a pressure readout with a deflation function, which means you can use them as both a gauge and a single-tyre deflator. The Mean Mother 2-in-1 Deflator and Gauge Kit and ATI Digital Tyre Deflator are the standouts in this combined category.

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Tip

Keep your gauge in the tow vehicle’s glovebox or centre console, not buried in a toolbox. If it’s not easy to reach, you won’t check your pressures as often as you should. Cold pressures every morning before driving takes 2 minutes and can prevent a blowout.


Tyre Repair Kits

A plug-style tyre repair kit lets you fix a punctured tyre without removing it from the rim. It’s a temporary repair that gets you to a tyre shop, which might be 500km away in outback Australia. This is the tyre repair method most people carry and use. It works on tubeless tyres (which is what your tow vehicle and most modern caravans run).

What You Need

A basic plug kit includes a reamer tool (to clean and widen the puncture hole), an insertion tool (to push the plug into the hole), and sticky rope plugs (the repair material). Better kits include rubber cement (for a more reliable seal), a valve core tool, spare valve cores, and a carry case. The whole kit costs $15-40.

The ARB Speedy Seal (~$30-40) is the gold standard plug kit. The tools are well-made (cheap kits use reamer tools that bend on the first use) and it includes rubber cement for a reliable seal.

The Plugga Tyre Repair Kit (~$25-35) is a popular alternative with a comprehensive kit and sturdy carry case.

Budget plug kits from Repco, Supercheap Auto, and BCF start from ~$15 and include the basics. They work, but the tools are less robust.

Tyre Sealant

Slime and Liquid Patch are preventative sealants you inject into the tyre before a puncture happens. They coat the inside of the tyre and automatically seal small punctures (up to about 6mm) as they occur. Some Big Lappers run sealant in their caravan tyres as a precaution, particularly on gravel roads where small punctures from sharp stones are common. Around $15-25 per tyre.

One caveat: some tyre shops refuse to work on tyres that have sealant in them because it makes a mess inside the tyre and can mask damage that needs inspection.

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Important

Practice using your plug kit at home before you need it at the roadside. The technique is simple but not intuitive the first time: ream the hole, thread the plug through the insertion tool, push it in, pull the tool out, trim the excess. Doing it for the first time at dusk on a gravel road with ants biting your ankles is not the ideal learning environment.


Wheel Braces & Jacks

Wheel Brace

Your tow vehicle should have a wheel brace, but check it fits both your vehicle’s and your caravan’s wheel nuts. If they’re different sizes, carry the right brace for both. A breaker bar or torque wrench makes removal easier (especially when wheel nuts have been over-tightened by the tyre shop) and ensures correct tightening when you put the wheel back on. Over-tightened wheel nuts are a common issue: they can stretch the studs and make roadside removal extremely difficult.

A Milenco Torque Wrench (~$80-120) is specifically designed for caravan wheel nuts and ensures you’re tightening to the correct specification every time.

Jack

Your vehicle’s standard jack will handle the vehicle, but it may not be suitable for the caravan. Check whether your caravan has jack points and whether your jack reaches them. A bottle jack (~$30-60) is more versatile and stable on soft ground than a scissor jack. Always carry a jack base plate (a square of thick plywood or a commercial plate) to stop the jack sinking into soft ground.


Spare Tyres

Carry a spare for both the tow vehicle and the caravan. This sounds obvious, but a surprising number of Big Lappers hit the road with a caravan spare that’s never been checked. Before every major trip, verify that both spares are the correct size, correctly inflated, and in good condition. Check the tyre’s date code: if it’s more than 5-6 years old, the rubber may be degraded even if the tread looks fine.

If your tow vehicle runs different tyres to your caravan (most do), your spares aren’t interchangeable. Two flat tyres on different vehicles with only one compatible spare each is a scenario that happens more often than you’d think on remote corrugated roads.

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Tip

For extended remote travel (Gibb River Road, Savannah Way, outback Queensland), consider carrying a second spare for the tow vehicle. Two punctures in one day on corrugated roads isn’t unusual. A second spare strapped to the roof rack or caravan A-frame could save you a very expensive recovery call.


The Complete Tyre Gear Checklist

Item Priority Approx. Cost Notes
Digital tyre pressure gauge Essential Essential $20-40 Check cold pressures daily
Portable 12V air compressor Essential $150-530 CampBoss, Tuff Terrain, or XTM
Tyre repair kit (plug style) Essential $15-40 Practice at home first
Wheel brace (fits both vehicle and van) Essential $20-50 Check sizes match
Jack (bottle jack preferred) Essential $30-60 Plus a base plate for soft ground
Spare tyres (vehicle + van) Essential Varies Check condition and pressure before every trip
Tyre deflators (set of 4) Essential for off-road $50-120 Staun or CampBoss Boss Air
TPMS (6-8 sensors) Highly recommended $200-490 Safety Dave or iCheck
Torque wrench Recommended $80-120 Correct tightening prevents stud damage
Tyre sealant (Slime/OKO) Optional $15-25/tyre Preventative; some tyre shops dislike it
Second spare (tow vehicle) Optional (essential for remote) Varies For extended remote travel
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Key Takeaway
  • A digital pressure gauge, plug repair kit, compressor, and correct wheel brace are non-negotiable for any Big Lap
  • Tyre deflators are essential if you’re going off sealed roads; Staun and CampBoss Boss Air are the top picks
  • A TPMS is one of the best safety investments for towing: it catches slow leaks before they become blowouts
  • Check both spare tyres (vehicle and van) for condition, age, and pressure before every trip
  • Practice using your plug kit and changing a wheel at home, not at the roadside
  • For extended remote travel, consider a second spare for the tow vehicle