Trac Seats TS-21 Tractor Seat for John Deere Tractors. Durable waterproof vinyl covering. Ergonomical foam cushion with lumbar support. Corrosion resistant blow molded seat frame. Accepts twist in operator presence switch. Includes: Seat, mounting hardware. Seat Demensions: 21″ H x 23″ L x 19 W. Seat accepts a twist in style seat switch. We do not sell seat switches. Use included M8-1.25 x 20mm bolts. X465, X475, X485, X495. X500, X520, X534, X540, X575, X584, X585, X590, X595. X700, X720, X724, X728, X729, X740, X744, X748, X749, X750, X754, X758. X940, X948, X949, X950R. Replaces Part Number(s): AM142095, AM142094, AM141482. Thanks for shopping with Trac Seats.