Originally Posted by GravelyNut
Not true. I have a trailer with a single 3500 lb rated axle. To be street legal in Florida, it has to have brakes as 3000 lb and up requires them single or dual. And if it is a tandem axle, both axles. NY requires them if over 3000 lbs. NC says 4000 which is still in a single axle range of a 5K axle.
First of, a single axle trailer doesn't have a GVWR more than 3000lbs its 2990 for the law. Secondly, there is a 40% towing capacity law based on your vehicle if I remember right. Excluded the first sentence if you have some beefed up trailer or special trailer other than a normal utility trailer.