Mobile Home, Off-Highway Vehicle or Vessel. Registering a trailer in Florida requires a Florida trailer bill of sale form.A completed form to title and register a trailer is required. The state of Florida requires that the grantor must sign the deed before two witnesses and a notary public. Use our free Florida bill of sale form in order to legally buy or sell personal property like vehicles in the state of Florida. Owners of used trailers weighing over 2,000 pounds must submit a bill of sale, including the trailer's year, make, identification number, and previous state. Create a bill of sale in Florida for automobile or vehicle transaction. Simplify property handoffs with our quitclaim bill of sale template. Easily record the ownership transfer of merchandise or equipment.