Hydraulic Telescopic Boom Variable Length Digging Arm for 20-22Ton Excavator Municipal Deep Excavation Projects

• HT Excavator Telescopic Arm, also go by Telescopic Dipper Arm, is a working device installed on the excavator, usually work with clamshell grab or other grab buckets. It consists of the fixed body and the mobile body that can extend and retract the mobile body through the action of the telescopic cylinders, to achieve a larger excavation radius and a reasonable loading height. Multi-section hydraulic retractable design, adjustable working depth and digging radius freely according to construction demands. Short transport length saves freight cost, no need for extra large transport vehicle. Suitable for deep foundation pit excavation, river and lake dredging, underground pipe trench digging, basement clearance, sunken area earthwork and urban underground space construction.
• HT Telescopic arm could be manufactured into 2-stages or 3-stages, according to your working needs.
• 1. HT Excavator telescopic arm adopts wear-resistant and high-temperature resistant square steel Q550, Q690 with stronger tensile strength, instead of Q345B which is widely used on the market.
• 2. Special production standards, one-time molding of large-scale equipment, 24 hour online service and guidance.
• 3. Special municipal engineering, using telescopic arm digging machine, can complete special operations and special projects, improving the working efficiency.
• 4. Fast production period. Normal size are usually within 10 days (including Saturday and Sunday)

Hydraulic telescopic excavator boom arm

20-22Ton excavator digging arm

Municipal deep excavation boom arm

Hydraulic Telescopic Boom Variable Length Digging Arm for 20-22Ton Excavator Municipal Deep Excavation Projects Images