The telescopic arm is a working device installed on the excavator. It consists of the fixed body and the mobile body that extend and retract the mobile body through the action of the telescopic acylinder, so as to achieve a larger excavation radius and a reasonable loading height.

SPECIFICATIONS FOR HT LONG REACH

Main Features:
1) 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 larger-scale equipment, 24 hour online service and guidance.

3) Special municipal engineering, using telescopic arm digging machine, can complete spcial operations and special projects, improving the working efficiency.
 
 4) Cooper sets have been used on the connector instead of normal steel sets used on the market. 

Detailed Images

Phosphating tube

1) Better protect the Hydraulic system and extend service life.
 
2) Providing more power to the motion of arm and boom
 
3) Excellent anti-corrosion and anti-rust ability

Copper Sets

1) Copper Sets are 6X durable than steel sets. Extend service life.
 
2) Better protect the Boom.

China Supplier Excavator Extension Arm Digger Telescopic Boom & Arm For 20-22 Ton Construction Excavator

Great Welding

1) All welding are done by experienced worker with, at least, four years of excavator attachment welding experience.

Good Polishing

1) Enables great painting

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