Major features:1.Heavy-duty mobile tyreMobile wheels adopt solid tyres, need not inflatable, durable, cooperate to brake pad, guarantee the operation safety.2.Adjustable height supporting legsNote:thetyreofyardrampisonlyusedtomovethemachine,afteryoulandthelegs,letoutthehydraulicoilofthecylinders,ortheheavyloadingwillbreakthecylindersandthetyres.Forthetyreandcylindersoframpdon’tcarrytheload.Thetyreisformove,andthecylinderisusedforchangetheworkingheight