Product features The XGZY-1 suspension seat is specially designed for small and middle type farm mechanics such as forklift truck, tractor etc...Its suspending structure is made up of one hydraulic shock absorber and two tension springs .Seat back ,backrest ,headrest are all made by one time vacuumed foaming molding technology . Technical parameters Mechanical suspensionAdjustable armrestTotal height: 790mmWidth of cushion: 430mmWidth of backrest: 400mm Height of cushion: 280mmHeight adjustment: 60mmFore and Aft adjustment: 150mmWeight adjustment: 50kg-130kgShock absorber stroke: 80mmSkinmaterial:Black PVCMounting hole: 260×280×4-Ø9Optional accessories Headrest Armrest Seat belt