Why a 3,500 kg towing capacity often isn't 3,500 kg
How GCM limits what your ute or 4WD can really tow, how to work out your own figure, and what you can do about it.
How to weigh your caravan and tow vehicle at a weighbridge
A step-by-step method for weighing a caravan or trailer setup at a public weighbridge, and how to turn three readings into GTM, ATM, towball download and GCM.
ATM, GTM, GVM, GCM and tare explained, with one worked example
What every Australian towing weight term means, where to find it on your plates, and how the numbers fit together for one ute and caravan.
Trailer brake and safety chain rules in Australia (2026)
When a trailer needs brakes, when override brakes stop being allowed, when you need a breakaway system and how many safety chains, under VSB 1 Revision 6.
Towing guides
Each guide answers one towing question, shows the arithmetic, cites the official source and links to the calculator that does it for your own numbers.