Compatible with john deere gator xuv 550, xuv 590i, rsx 850i. Full windshield is made with 1/4' polycarbonate to provide maximum durability, not 3/16'' or acrylic as most competitors' units in this price range. All clamps and screws are made with no rust stainless steel hardware. Designed for easy installation and miles of care free use. Installation instructions included.