Zubr Mini Tractor Seat(YY4)Zubr Mini Tractor Seat(YY6-1) Fore/aft adjustment 160mm Height adjustment 60mm ... height adjustable suspension john deere tractor seat(YY4)It is a hot selling seat,including PVC cover, vacuum foam inside ... is mainly used for excavator seat, agricultural tractor seat,construction machine seat,marine chair etcJohn deere tractor seat application:excavator, agricultural tractor, ...