This seat comes complete with a mechancial suspension, weight adjustement, fore/aft adjustment & five angle adjustable base. Vinyl covered molded cushions & 80 - 100 mm suspension stroke for added comfort. Some minor drilling may be required.The S8302165 Low Back Seat, Black Vinyl w/ Mechanical Suspension fits equipment brands such as: Belarus, David Brown, Ford, Hesston-Fiat, John Deere, Kubota, Long, Mahindra, Massey Ferguson, Montana, New Holland, TAFE, White, Zetor