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Trailer weight ratings and towing capacity

https://sierra-wiki.win/index.php/Trailer_weight_ratings_and_towing_capacity

A truck's towing capacity, often listed in the owner's manual, is its maximum safe pull, while trailer weight ratings refer to the loaded trailer's total mass, including cargo and fluids. Staying below 80% of the truck's limit provides a safety buffer, especially on hills, and prevents damage to the transmission or brakes. Always weigh the loaded trailer at a scale to avoid guessing.