Use this free form for private transactions. It comes in a printable PDF format, and you can quickly fill it out using your completer.Instructions. The new owner's social security number, taxpayer identification number (TIN), or federal employer identification number (EIN) is required. Use our NY bill of sale forms to prove the transfer of ownership of property from seller to buyer in the state of New York. The Trailer is to be sold free and clear of any liens, encumbrances, or mortgages. Create a bill of sale document to sell a trailer using professional and expert guidance. Download your Trailer bill of sale today as a PDF. Planning to sell your trailer? Download one of our trailer bill of sale forms and get the job done ✔️ 38 templates available. Get Rv Bill of Sale Form forms free printable.