Beat Nick

You should read the standard the poster mentioned. There is a reason why automotive manufacturers adhere to it. calculations for trailer weight ratings: In addition to the performance standards, SAE J2807 also uses a specific set of assumptions to calculate maximum trailer weight ratings: For light-duty full-size pickups (GVWR < 8,500 lbs.), SAE J2807 assumes that the tow vehicle includes any options with higher than 33 percent penetration; It assumes there is both a driver and passenger in the vehicle, each weighing 150 pounds; It assumes that tow vehicles also include up to 70 pounds of aftermarket hitch equipment (where applicable); and For conventional trailer towing, SAE J2807 assumes that 10 percent of the trailer weight is on the tongue. https://www.sae.org/standards/content/j2807_201602/ learn something new everyday

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