Trailer payload is simply the trailer's own weight rating minus what the empty trailer already weighs.
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Usually not. Dry weight is typically the base trailer with no options, no fluids and no batteries. Real empty weight is higher.
Yes. Fresh water is about 8.3 lb per gallon and propane about 4.2 lb per gallon, so a full 40 gallon fresh tank alone takes over 330 lb out of your allowance.
On the federal certification label, usually inside a cabinet door or on the forward roadside wall. Use that figure rather than a brochure number, which often describes a different build.
Method last reviewed 2026-07-29. Figures are guidance, not a substitute for the ratings printed on your own equipment.