Was your machine originally equipped with a hydraulic suspension? If so, this is the Seat you are looking for. Ergonomically contoured Seat has a compact air suspension that is engineered with a swivel, tilt & fore/aft adjustment. Base plate included for multiple bolt hole patterns. Some minor drilling may be required.Bolt Specs: 0.314" x 0.787", w/ 1.25" Pitch Thread, Nut (Spacer) Specs: 7/16"The SR8301995 Sears Mid Back Seat, Brown Fabric w/ Air Suspension fits equipment brands such as: John Deere