Seat Shock Absorber / Smooth OperatorPack Size:1Ariens All Zoom; Bad Boy All Models; Bobcat Skid Loaders; Bunton Rocket & Torpedo; Cub Cadet Z Force; Dixie Chopper Classic, Iron Eagle, Magnum, Silver Eagle, XCaliber; Dixon Grizzly, Kodiak, Ram, Ram Ultra; EverRide Fury, Hornet, Warrier, YJ; Ferris All Models; Grasshopper 100, 200, 300, 400, 600, 700 & 900 Series; Gravely Compact Pro, Pro Master, Pro Turn; Great Dane Brutus, Chariot; Hustler ATZ, Hustler Z, Super Z, Z4; John Deere EZ Trak Series, Z-Track Series; Kubota All ZD-300 Series; Land Pride All Series; Poulan Pro 380ZX; Scag Freedom, Tigercat, Turf Tiger, Wildcat; Simplicity Most Models; Snapper 355Z, 500Z; Swisher All Series; Toro All Models; Troy Bilt All Models; Woods CZ, FZ & MX Series Out-of-sight tractor seat suspension works to reduce back fatigue — customers report comfortable riding hours longer than before, Affordable, maintenance-free, noise-free tractor seat suspension, Fully assembled tractor seat suspension, minimal field drilling may be necessary, Durable powder-coated to protect from the elements, Do-it-yourself — unbolt seat, bolt on the Smooth Operator, bolt seat on top; adds only 1 1/2" in HT, Adjustable mount fits on mowers, skid loaders — any seat needing shock absorption