The most admissible towed freight is specified on the plate on a curved wall This parameter it is possible to calculate on a formula.

The towed freight = allowable gross weight - an allowable weight of the car

 1 - Car model

2 - Number of the chassis

3 - Allowable weight of the car

4 - Allowable gross weight

 5 - A permissible load on the forward bridge

 6 - A permissible load on the back bridge