Haytools.com has disc mowers curtains made with Seamon USA 40 oz.nylon reinforced vinyl. All curtains are dielectrically sealedfor long life.JD, Kuhn, NH, New Idea, Vicon, Lely & more applications. This is the operator's manual for the New Idea 5406, 5407, 5409, and 5410 disc mowers. This manual contains information on operating, adjusting, troubleshooting, and maintaining the 5400 series mower.