How heavy your vehicle can be
People, fuel, the fridge, the dog, and the ball weight once you hook up.
GVMPlates
GVM, ATM, GCM, ball
GVM is your vehicle. ATM is the van. GCM is the pair. Ball weight is the push on the towbar.
How heavy your van can be
Loaded, on its own wheels. A litre of water weighs a kilogram.
ATMHow heavy the pair can be
Your vehicle plus the van. Both can sit under their own limits and the pair can still be over.
GCMHow hard the van pushes down
Downforce on the towbar. Often about a tenth of the van’s weight.
BALL