55 ton High Strong Excavator Rock Arm Excavator Rock Boom for cat hitachi komatsu

Here is our catalog: 2024 Zhonghe Machinery--Product Catalog.pdf

Quick details of one set of rock arm for excavator:

• High strength: Excavator rock excavator's big boom, small arm are both filled with iron sand. By doing so, the big boom and small arm is strong enough. The teeth of excavator rock arm is D11 which is high strength and not easy cracking.
• Longer life-span. The places which bear huge stress are reinforced.

Detailed Specifications of one set of rock arm rock boom for excavator:

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Some production instruction of excavator rock arm are as follow:

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Zhonghe Machinery is a big manufacturer of excavator arms and booms like excavator long reach arms, demolition arms, 2-3 sections telescopic arms, tunnel arms/shorten arm, standard/rock buckets, grapples, rippers, etc.