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double cylinder
Our cylinders are suitable for all brands of construction machinery, for example:
Komatsu, Hitachi, Caterpillar, Sumitomo, Kobelco, Doosan, Volvo, Hyundai, Xiagong,
Longgong, Shantui, and many others.
Jdparts Professional Caterpillar E324D Arm Bucket Boom Excavator Hydraulic Cylinder
Specification1.Material
•tube 25Mnb
•cylinder rod 45#
•max length 12m
•max cylinder tube diameter 1.5m

1.Test pressure
•32.4Mpa (330kgf/mm2)
1.Overload unloading pressure (setting pressure of unloading valve) 35.3Mpa (360kgf/mm2)
2.Max test pressure 44.1Mpa (450kgf/mm2)
3.Instantaneous boost pressure 34.3Mpa (350kgf/mm2)
4.Cylinder output flow 420L/min.
5.Cylinder rod surface
•high-frequency heat treatment HRC52-60
•thickness of hardening layer 2.0-3.0mm
•chromium plating 0.025mm HV850

1.Carburizing or high-frequency heat treatment of the inner surface of the bearing bush HRC52-60, thickness 1.5-2. After assembly and testing, the oil port is blocked
2.Operating temperature range of lubricating oil -20oC/+90oC
3.During the initial operation,all air should be fully discharged and the pressure should be lower than the set pressure of the safety valve
4.Painting requirements: primer and finish color are original colors
5.Wooden case packing