... each cylinder is tested fast delivery time 1.used for dump truck,loading machine,forestry machine,etc,middle-duty ... ,2.total length and diameter:978mm*2523.single strock:690mm4.port diameter:M20 ... trunnion and pin hole:220mm7.seal,see attached pictureinspection: length,leak,pressure inspection Piston Hydraulic Cylinder used for machinery and vehicle for Farming ...