Hitachi ZX330/360-18Meters Long Reach Arm and Boom

The long boom excavator arm,also known as excavator long reach booms, is made of structural grade tensile steel and heavy duty components, to handle a wide range of attachments for deep gravel pits, long excavations, dredging, marine construction, sedimentation embankments, waterway pond clearing, surface mining, slope stabilization, demolition of buildings and structures, and the largest range of other specialized projects. 

Features of long arm of excavators
The excavator long reach boom is made of structural grade tensile steel and heavy duty components for more complex service conditions Plate edges are beveled prior to welding to ensure good weld depth.
Critical areas are automatically welded and edge milled to prevent cracking and ensure a stronger structure.
Internal baffles give the structure greater strength and durability to withstand torsional loads for use in high pressure areas High quality fittings such as piping,pins,bushings and cylinders,NOK seals 
Accepts custom long arm of excavator lengths to handle different applications Locking valve to prevent the arm from dropping when the hydraulic hose is blown Bucket cylinders with shields.

We have a whole set of quality management system.
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