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Telescopic Boom

Excavator boom arm
2025-12-05
Telescopic boom excavator arm
Watch this overview to discover why many professionals pay attention to this approach. In this video, you'll see a detailed demonstration of the Defeng 20-33 Meter Telescopic Long Reach Arm, specifically designed for Sany SY260 and Caterpillar CAT 320/330D hydraulic excavators. Learn how this factory-customized boom enhances reach and versatility for 20-40 ton machines in various applications.