Trailer Weight vs Towing Capacity Gross trailer weight is the total calculated weight of a trailer and its cargo. GTW isn't so much a rating as it is a measurement. Towing capacity, on the other hand, is the maximum allowable weight a vehicle can tow as determined by the manufacturer. ...
An extra load is put on systems when a vehicle is loaded down enough to take its weight beyond its GVWR. The brakes must work harder, and might not even be able to stop the car or truck efficiently. Tires could blow and suspension might be compromised — many components can be pushed b...