Dump truck multi-Stage Hydraulic cylinderMulti-stage dump truck hydraulic cylinderMultistage hydraulic cylinder for dump trailerBore of Hydraulic Cylinder: 40mm-1000mm(1 1/2 inch-40 inch)Diameter of piston rod: 12mm-500mm(1/2 inch-20 inch)Stroke of Hydraulic cylinder:Max 15000mmWorking pressure of hydraulic cylinder: 16Mpa-60MpaMaterials of Hydraulic cylinder tube:35# steel,Website:://.thshydraulic.com,45# steel,27SiMn,Q345B steelMaterials of Piston Rod:35# steel,Stainless steel,45# steel etcTechnical Treatment of Piston Rod:Quenched and tempered.chromedPainting: Follow with customer requirements or 3-coat marine painting.The multi stage hydraulic cylinder could be single acting or double acting. Piston rod material is chrome plated 45# steel or 40Gr. Tube Material is steel 20# - 45#. Surface treatment can be made as per customer’s request.Multi stage hydraulic cylinders can be used for engineering and mining dump trucks.Our Services12 months or more, and we supply top quality and best service always.Packaging