Heavy Press Brake + Steel Plate

You would be taking the press brake, and filling the trailer with steel plate to get as much weight as we can on this haul. More stuff needs to be moved. Please let me know the maximum weight we can add to the press brake, please account for extra chains. Trailer must be a very low double drop in order to load machine inside shop. The press brake has a fair bit of weight up top so driver must be very professional and careful.