Can I be sued for an as is sale in New York

Can you be used?  Yes.  Will the buyer prevail?  Depends, both on the nature of the problems and when they arose relative to the sale.  Although you may have sold the tractor "as is", if you told the buyer that the tractor was in working condition then it was not sold "as is" but with an implied warranty of merchantability.  Here's an article I found online that you might useful, https://consumer.findlaw.com/consumer-transactions/what-is-the-warranty-of-merchantability.html   Hope this helps. Best regards, Jonathan R. Ratchik, Esq. Kramer, Dunleavy & Ratchik, PLLC 61 Broadway, Suite 2220 New York, NY  10006 (212) 226-6662 www.kdrpilawyers.com