Check the listing for details. 1/4" John Deere D Skid Steer Door Polycarbonate Lexan Forestry Windshield. Condition: New. Listed at 496.00 USD. 1/4" Polycarbonate windshield for JOHN DEERE D SERIES Skid Steers. Door not manufactured by John Deere. 1/4" thick polycarbonate. The features and benefits of making this upgrade are hard to ignore. 4 hinge holes in the door.