01 Use Q355B material,
02 Adopts precision steel pipeline
03 Adopt alloy copper sleeve big arm base
04 Two layers groove welded to ensure
05 Double quality inspection before leaving
06 The tolerance of position size within 1 mm
07 Angle of boom and arm can reach 163°

The configuration of excavator long boom arm

01 Boom and arm 1set
02 Bucket1pc
03 Bucket cylinder 1pc
04 High pressure hose 4pcs
05 Linkage assembly 1set
06 Lubrication pipe 3pcs
07 Pin 6pcs

Here are some advantage of long arm excavator

• Long reach Boom-Arm is ideal for river and sea dredging on land or barge.
• lubrication concentrate system, you can see there are 3 pieces lubrication tube , they all concentrate here , it is easy and convenient for the operator to refill the lubrication oil..
• our bushing at the boom base , you can see the bushing is graphite copper sleeve material.
• Ideal for marine wall construction.
• our bushing at the boom base , you can see the bushing is graphite copper sleeve material.
• The design is comprehensively simulated, ensures design integrity and identifies potential stress and fatigue points.
• the bushing in the boom middle , we use steel material , if client have special require ,we also can use copper sleave material.
• The welding on the boom end is 4 passes,and 3 layers.