Shaogang Q355B Excavator Tunnel Arm For Narrow Tunnel Excavation Needs

Compact Excavator Arm for Tunnel Work:

This compact excavator arm is specifically designed for tunnel excavation and operations in confined spaces.

Enhanced Excavator Arm with Enlarged Bucket/Breaker:

Featuring upgraded cylinders, this tunnel arm is tailored for tough excavation tasks such as breaking and digging in tunnels. When dealing with challenging materials like hard sand and dense soil, it's crucial to have robust plates and cylinders. Excavator tunnel arm for sale has been reinforced with thicker plates and larger cylinders, making it durable and resistant to cracking.

For 30-36 ton excavators with a short reach arm, the plate thickness can reach up to 25mm. Tunnel arm excavator is sufficiently strong to handle tough sand, hard soil, and rocky conditions.

Included in excavator tunnel arm kit are:

One large boom, one small arm, one stick cylinder, one bucket cylinder, six pins, a breaker pipeline assembly, high-pressure hoses, two valves, and various other essential accessories for the excavator.

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Production Process of one set of excavator tunnel arm tunnel boom:

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