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| Categories | Excavator Tunnel Arm |
|---|---|
| Brand Name: | Zhonghe Machinery |
| Model Number: | SDB006 |
| Certification: | CE, Patents, ISO9001 |
| Place of Origin: | Guangdong Province, China |
| MOQ: | 1 set / piece |
| Price: | USD 199.00-USD8999.00 |
| Payment Terms: | T/T, L/C |
| Supply Ability: | 5 sets per week |
| Delivery Time: | 5-20/works |
| Packaging Details: | Bubble / wooden cases / others as you request |
| High Efficiency: | Yes |
| Material: | Q355B Or Q690D Or As You Request |
| Quality: | Premium |
| Suitable Excavator Brand: | Hitachi Komatsu Sany Cat Kobelco etc |
| Type: | Heavy Duty |
| Excavator Model: | 6ton - 65ton |
| Warranty: | 6 Months |
| Longer Service Life-span: | Yes |
| Company Info. |
| Jiangmen Kaiping Zhonghe Machinery Manufacturing Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
20T 30T Heavy-Duty Tunnel Boom Arm for Excavators – Shortened Design for Precision Tunneling & Foundation Work
Boost your excavation efficiency with our heavy-duty tunnel boom arm, specially engineered for tunnel digging, foundation work, and confined-space operations.
This shortened excavator arm (or short boom) features:
✔ 20-ton 30-ton capacity – Robust construction for demanding
tunneling applications
✔ Compact design – Short arm excavator configuration enhances
maneuverability in tight spaces
✔ Reinforced structure – Optimized for underground excavation and
deep foundation projects
✔ Compatible with most excavator models (custom mounts available)
Ideal for: Tunnel construction, mining, urban trenching, and restricted-access digging.



Key search terms of tunnel arm tunnel boom for excavator:
| Excavator Model(ton) | Boarding Thickness(mm) | Weight(kgs) |
| 6-8T | 10mm | 590 |
| 380 | ||
| 10T-15T | 14mm | 1130 |
| 900 | ||
| 20-24T | 16mm | 1300 |
| 1050 | ||
| 20-24T(double cylinders) | 16mm | 1850 |
| 1200 | ||
| 30-36T | 25mm | 2500 |
| 2600 | ||
| 45-50T | 30mm | 3200 |
| 3000 |
Contact us for OEM solutions – Your trusted partner for specialized excavation attachments!

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