See also:

TWR (Tongue Weight Rating)
The TWR specifies the maximum permissible weight that the ball coupling of the trailer tow hitch can support. ...

Tires
WARNING Do not drive with a flat tire. A flat tire affects the ability to steer or brake the vehicle. You may lose control of the vehicle. Continued driving with a flat tire will cause excess ...

GVW (Gross Vehicle Weight)
The gross vehicle weight comprises the weight of the vehicle including fuel, tools, the spare wheel, accessories installed, occupants, luggage and the drawbar noseweight, if applicable. The gr ...