3-Sections Telescopic Arm For Excavator

The excavator telescopic arm is powered by the excavator’s hydraulic system. High-pressure hydraulic oil drives the telescopic cylinder, which extends and retracts the inner boom. A wire rope and pulley synchronization system ensures smooth and stable movement of each boom section, while guide rails and wear pads provide accurate guidance and reduce friction during operation.
Once the boom reaches the required working depth, the bucket cylinder controls the bucket for excavation, loading, or dredging. Compared with a standard excavator boom, the telescopic arm provides a much greater digging depth and working radius without repositioning the machine, making it ideal for deep foundation excavation, river dredging, and underground construction projects.

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