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Defeng factory customized 21 Meter Telescopic Long Reach Boom Arm for Caterpillar CAT 330D Hydraulic Excavator

Excavator boom arm
October 31, 2025
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Video Description:
Discover the Defeng factory's 21 Meter Telescopic Long Reach Boom Arm, specially designed for Caterpillar CAT 330D Hydraulic Excavators. This high-quality extended arm offers standard and customized configurations, ensuring durability and performance. With a 7-15 day delivery time, it's perfect for demanding excavation projects.
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