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FREQUENTLY ASKED QUESTIONS
Are GCM or BTC Upgrades Allowed in WA?
GCM Upgrades: Yes.
The Department of Transport allows this under VTB 181A. Depending on the popularity of the vehicle type, we may need to wait until there are multiple customers before conducting the required tests.
BTC Upgrades: No.
The Department of Transport directs people to section 168 of the Road Traffic (Vehicles) Regulations 2014 where it says that only the manufacturer of the vehicle can define the BTC of a vehicle. The department's interpretation of this manufacture is the first stage manufacturer of the vehicle only.
Refer to the DTMI FAQ page here for more details.
Can my pig Trailer Weigh more than my Tow Vehicle
For LVs: Yes, as long as you comply with all your other limits (GVM, GCM, BTC, etc.)
For HVs: No, this practice is specifically excluded by the Road Traffic (Vehicles) Regulations r. 166.
I have received my Modified Vehicle Placard and Modified Tyre Placard in the mail - where should I put them?
Inside the B-Pillar on the driver's door frame.
How much can my tyres poke out from underneath my wheelguards?
Tyre tread cannot poke out at all, tyre side walls can: see link.
I have a LandCruiser but I don't know its GCM - how can I find out what it is?
For many years LandCruisers were produced without a specified GCM. This value is specified by the Manufacturer. If the manufacturer does not specify it, then your vehicle does not have a specified GCM. Typically people will simply add the GVM and the BTC together to get a pseudo GCM (if these were loaded to their maximums, then you can't theortically carry anymore without exceeding either your GVM or BTC so it is crude, but it works). But this is not the GCM for the vehicle as it doesn't have one. Where people get into disagreement about this is when a vehicle has a GVM Upgrade, and then the question is, what is the new pseudo GCM. Is it the old pseudo GCM (original GVM + original BTC), or is it a new value (new GVM + original BTC). The truth is, it doesn't matter, as the vehicle does not have a GCM...
To know if your vehicle has a specified GCM, it will be based on the age of the vehicle - see attached links for 2x 70 Series spec sheets - 1 from 2016 showing no GCM listed, and one from 2018 showing a GCM. You can look these up for Prados and the 200 Series as well.