Re: Trailer Weight
Or are you looking for the Gross Vehicle Weight Rating for the trailer? If that's what you want, the only place to get it for sure would be the manufacturer. You could get a good estimate by looking at the trailer frame, axles, spindle sizes, and tires.
For instance, my trailer is a Load-Rite dual axle, 1987 build date. It's got 4" heavy channel for the main longitudinal frame, 3" heavy channel cross members (3), and a 3" square tube tongue. Originally called for E78-14 B tires, I've put ST195R14 tires on it (much greater load capacity than the original tires). I've got 1" outer OD, 1 3/8" inner OD spindles, and the axles are 2" square beams. The trailer has a 5000 lb GVWR, and is rated for 4015 lbs carrying capacity.