My 1707T weighs close to 3500# with NO water in the fresh water tank. Now, I DO have a second battery in the battery compartment, 3-4# solar panels, and I carry some hand tools, propane canisters, wheel chocks and the like, but everything else came from the factory.
The tongue weight in that configuration is close to 500#.
The ONLY way to know what your trailer weighs, is to weigh it!
Hi-Lo 1707T - Tire Minder TPMS on Tow Vehicle and Trailer, 300W Solar Battery Charger, Equal-i-zer WDH
2014 F150 Platinum 4x4 3.5L EcoBoost SCrew