J&D Manufacturing's OEM Replacement Motors are designed to work on previous and existing J&D Manufacturing, Pruden or Extreme Air products. Our motor design is superior to all other fan manufacturers and we pride ourselves on the quality, performance, durability and efficiency. Made to last in the toughest agricultural environment, our motors will work well in commercial, industrial and horticultural as well. All our replacement motors carry a Full Two Year Warranty. All motors come packaged in an individual carton. We do have special pricing available for bulk pack skid quantity purchases.