Everything you bolt to a ute after it leaves the factory comes out of its payload: the tray, the canopy, drawers, racks, water and the gear you pack. To stay legal, the fully loaded ute must stay under the GVM on its compliance plate, each axle under its rated limit, and, if you tow, the whole combination under the GCM. The figures are different for every model, so read your compliance plate and handbook, then load up and weigh the ute on a weighbridge.
The terms on your compliance plate
Weight ratings come with a handful of acronyms. These are the general meanings. Your handbook is the final word on how your manufacturer uses them.
GVM (gross vehicle mass) is the most the ute can weigh when fully loaded, as set by the manufacturer. That’s the vehicle plus people, fuel, accessories and cargo.
Tare is roughly what the vehicle weighs empty. Some handbooks quote tare and others quote kerb weight, and they don’t treat fuel and fluids quite the same way, so check which one yours lists.
Payload is the difference between GVM and what the ute actually weighs before you load it. A cab-chassis ute with no tray has a big payload figure on paper, but the tray and canopy start eating into it before you’ve packed anything.
GCM (gross combination mass) is the most the ute and a trailer can weigh together.
ATM (aggregate trailer mass) is the most a loaded trailer can weigh. That figure comes from the trailer’s own plate, and it’s separate from your ute’s towing capacity, which is in the handbook.
On most utes there are also front and rear axle limits. You can be under GVM overall and still overload the rear axle, which is easy to do with a heavy canopy, a fridge and water at the back.
Where the weight goes on a canopy build
People tend to think of the canopy as the heavy part. In practice the weight is spread across a lot of smaller items that add up:
- the tray and its mounts, plus under-tray toolboxes
- the canopy shell, doors and locks
- drawers, shelving and a fridge slide
- water tanks, jerry cans and a second battery
- roof racks, an awning or a rooftop tent
- tools, camping gear, people and a full tank of fuel
Aluminium helps. Our canopies are built from 5000-series marine-grade aluminium, which is lighter than an equivalent steel build and leaves more of your payload for what you actually carry. It doesn’t make the weight disappear, though. A fit-out that grows a little at a time is the usual way utes end up over GVM.
We don’t publish a weight for the HARIO FC-180 Jack-Off Crossdeck Canopy on its product page. If you need a figure for your payload sums, ask us for the build you’re ordering, with doors and fittings included.
How to work out what’s left
Start with the GVM from your compliance plate and handbook. Then find out what the ute weighs with the tray and canopy fitted and nothing else in it. A weighbridge gives you that number. A brochure figure won’t, because it doesn’t know what accessories your ute already has.
Take that weight away from GVM and you have your working payload. Subtract the driver and passengers, then the fit-out, then the gear. If the number gets close to zero before you’ve packed for a trip, it’s time to rethink the build rather than hope for the best.
Tray length matters here too. A longer tray and canopy weigh more and put more of that weight behind the rear axle. Our guide to ute tray sizes covers how length affects the build.
Weigh it, don’t guess
A public weighbridge is the simplest way to know where you stand. Load the ute the way you really drive it: full tank, people on board, water in the tanks, tools or touring gear packed. Weigh the whole vehicle, then each axle if the weighbridge allows it.
Compare the readings against your compliance plate and handbook. If you’re close to a limit, move weight forward of the rear axle where you can, cut what you don’t use and leave the heavy items for the trips that need them.
Do this again after any big change. Adding a fridge, a water tank or a rooftop tent each shifts the numbers, and the canopy height guide explains why anything on the roof also counts towards payload.
Towing adds a second set of limits
Towing doesn’t give you more capacity. The weight the trailer puts on your towball counts against the ute’s payload, and the ute and trailer together must stay under GCM.
That catches out a lot of touring setups. A ute loaded close to GVM may not have enough room left under GCM to tow a heavy trailer, even if the trailer is within the ute’s advertised towing capacity. Weigh the ute and trailer coupled, then the trailer on its own, and check all the figures. The touring and camping canopy guide has more on planning a touring build.
Legal and insurance points
Driving over the manufacturer’s rated limits can be an offence, and an overloaded vehicle may affect an insurance claim. Each state sets its own rules and penalties, so check with your state road authority, such as VicRoads or Transport for NSW, and ask your insurer how they handle overloading.
If the build you want won’t fit under the standard GVM, a GVM upgrade may be an option for some vehicles. It’s a separate compliance process with its own engineering and paperwork, carried out by approved modifiers, so talk to a qualified provider before you plan around it.
Plan the weight before you order
The easiest time to keep a build legal is before it’s built. Decide what you’ll carry every day, what you’ll carry on trips, and what can stay in the shed. Then size the tray, canopy and fit-out around that.
You can read more canopy guides in our canopies section, browse the range in the UTE HARIO shop, or send us your vehicle details and planned fit-out and we’ll talk through the build with you.
Frequently asked questions
Does a ute canopy count towards payload?
Yes. Anything added after the vehicle left the factory counts against payload, and that includes the tray, the canopy, drawers, racks, water tanks and everything you pack inside. Only what’s left after all of that is available for passengers and cargo.
Where do I find my ute’s GVM and GCM?
Look at the compliance plate or label on the vehicle and in the owner’s handbook. The manufacturer sets these figures for your exact model and variant, so use those rather than numbers from a forum or a different trim level.
How do I check if my ute is overweight?
Load the ute the way you normally drive it, with passengers, fuel, tools and gear, and put it over a public weighbridge. Compare the total and the axle readings with the figures on your compliance plate and in the handbook. If you tow, weigh the vehicle and trailer coupled and uncoupled as well.
Is it illegal to drive an overloaded ute?
Driving over the manufacturer’s rated limits can be an offence, and it may affect an insurance claim if something happens. Rules and penalties are set by each state, so check with your state road authority, such as VicRoads or Transport for NSW, and ask your insurer how they treat overloaded vehicles.
Can I increase my ute’s GVM?
Sometimes. A GVM upgrade is a separate compliance process with its own engineering and paperwork, and it’s done by approved modifiers, not by a canopy fitter. Talk to a qualified provider about whether it’s available for your vehicle and what it involves before you plan a build around it.
