Excavator Telescopic Boom Telescopic Stick for River & Port Dredging Work
What is an excavator telescopic arm
A telescopic arm for excavators comprises a fixed base, a sliding assembly, a steel wire rope, and a hydraulic cylinder. Modifying the number of sliding bodies allows for flexible excavation depth and working range. Combined with a bucket, it excels in deep pit digging for materials like soil, sand, and coal.
The two-section boom is primarily made of LG700 for strength, with Q355B ensuring lightweight stability. Distinctive features include:
A 22-ton bucket cylinder for maximum force
A reinforced reel with expanded spring plates
Multi-layer reinforced bearings for longevity
LG700 high-strength steel box structure
Strengthened pivot end for handling extreme loads
High-Strength, Lightweight Design – We use premium high-strength plates that enhance durability while minimizing the excavator's load.
Superior Digging Depth – Compared to competitors, our telescopic arm reaches approximately 20 cm deeper for the same arm length.
Enhanced Cylinder Stability – A double-slider design in the telescopic cylinder reduces vibrations and provides additional support, lowering the risk of cylinder failure.
Optimized Hydraulic Hose System – The double-layer casing for the bucket cylinder hose eliminates pipeline vibrations and simplifies hose replacement.
Convenient Maintenance – The external bucket cylinder placement allows for quick and easy replacement and maintenance.
Excavator (ton) | Max Depth (mm) | Effective Length (mm) | Bucket Capacity (cbm) | Cylinder (ton) | Cylinder (ton) |
12-15 | 10000 | 8170 | 0.2 | 6 | 0 |
20-25 | 12000 | 8700 | 0.4 | 20 | 0 |
20-25 | 14000 | 10680 | 0.4 | 20 | 2 ton |
30-35 | 16000 | 12080 | 0.6-0.8 | 22 | 1 ton |
Application of Two-section Telescopic Arm
Premium Steel Construction – Engineered for both strength and reduced weight, improving efficiency.
Extended Digging Reach – Our model digs 20 cm deeper than standard alternatives.
Stable Cylinder Performance – A double-slider design ensures consistent support, reducing vibration-related failures.
Enhanced Hose Security – A dual-layer casing eliminates unnecessary hose movement.
Easy Replacement & Repairs – The external bucket cylinder simplifies maintenance tasks.
High precision machine of Zhonghe Machinery Manufacturers
Large, floor-mounted double-sided boring and milling lathe:
About Zhonghe Machinery Company Profile:
Kaiping Zhonghe Machinery Co., Ltd. is a custom excavator boom arm and attachment manufacturer established in 2018. Based in Kaiping City, Jiangmen, Guangdong, our 21,000m³ advanced production facility is equipped with high-precision technology. Our team of 100+ experts includes 50 certified welders, 30 top designers, and a dedicated R&D division with 10+ years of experience and 100+ patents. Thanks to rigorous quality control, cost-effective production, and a strong service commitment, we supply up to 800 sets annually, meeting the highest industry standards.
CE certification & Utility model patent certificates
Our products have been sold to more than 60 countries, and our transportation methods include sea transportation, land transportation, and air transportation. Our packaging is wooden box packaging or stretch film packaging. The goods will be packed before shipment and then loaded into the container to ensure the safety of the goods.
Packaging & Shipping
FAQ(Some frequently asked questions):
Q: Are you a manufacturer?
A: Zhonghe machinery offered a wide range of attachment parts for excavators and dozers. Such as long reach arm, demolition arm, telescopic arm, standard bucket, rock bucket, cleaning bucket, tilting bucket, etc. We know that the perfect combination of high-quality cast steel products and a moderate price is the key to the success.
Q: Is the length of the telescopic arm the total length or the digging depth?
A: The length of a two-stage telescopic arm refers to the digging depth. For example, a 14-meter telescopic arm means that the maximum digging depth is 14 meters, so it is called a 14-meter telescopic arm. The actual arm length is not only 14 meters.