Heavy Duty Excavator Telescopic Boom Featuring Stronger and Lighter Q690D Material Designed for Excavators 20 Tons Telescopic Arm

Introduction of Two Section Telescopic Arm

Also known as a two stage hydraulic sliding telescopic arm, it mainly consists of a fixed section, a sliding section and a telescopic hydraulic cylinder. Driven by the hydraulic cylinder, it can adjust working length and digging depth freely. It is widely used in deep pit excavation, river dredging, foundation construction and pond cleaning.

Standard configuration
1 set of two section telescopic arm
1 pc of digging bucket
1 pc of bucket cylinder
1 set of link assembly
9 pcs of pin shafts
8 pcs of high pressure hoses
1 pc of two way foot pedal switch

The Material we choose---Ensure Longer Life-span, High-effective, More Resistant

Boom tube adopts Q690D/ HG785 high strength steel, ear plate and reinforcing plate use Q355B, light weight yet high durability, reduce excavator load.

Advantages
1. Imported Korean spring for hose reel, service life double compared with domestic spring.
2. Double slider design for telescopic cylinder to reduce vibration impact.
3. Double layer sleeve for bucket cylinder hoses, easy hose replacement.
4. Reserved maintenance access for cylinder, convenient for disassembly and overhaul.
5. Better actual digging depth than competitors under same boom length.
6. New curved front end design with enlarged bucket cylinder for stronger digging force.