The maximum weight that the axles or the tires will carry. This is the actual amount of cargo allowed. The weight on the hitch. Some RVs can have a NCC of 3000 pounds are more. You must add that weight to the UVW to get the true weight.
Vehicles have a hitch weight limit and a tow limit.
You can actually exceed your hitch weight with a properly set up equalizer hitch. It is not, however, recommended that you exceed your tow rating. A. Class III Rec. These help to remove excessive weight off the tow vehicle hitch and distribute the weight to the front of the vehicle and to the rear or the trailer D. Sway Control - This keeps the trailer from swaying while in transit. The device may be adjusted for towing under windy conditions.