Antiwear 20ton Excavator Short Boom Arm Hammer Subway and Tunnel Arm for CAT320 ZX200-5A DX200-9C SY205C
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Introduction of excavator tunnel boom
Tunnel booms are made from high-strength steel and are designed to withstand the stresses and strains of heavy-duty excavation work. They are also designed to be highly maneuverable, with the ability to rotate and pivot in tight spaces.
Overall, excavator tunnel booms are a highly specialized and essential tool for tunneling and underground excavation projects, allowing operators to work safely and efficiently in confined spaces and challenging environments.
1. Centralized lubrication system
2. The back bushing of the arm is wrapped by the whole board to avoid falling off
3. Multi-layer reinforcing rib plate at the stress place, more firm, integrated molding
4. Hydraulic pipelines section design, convenient for later maintenance
5. Graphite alloy copper sleeve
6. The boom seat sleeve adopts all in one molding process
7. three layers with four passes welding
8. Seamless precision steel pipe
9. The box has built-in transverse and vertical reinforcement ribs to improve its tensile strength
10. Adopt 90 degree elbow joint to avoid hose bending and increase it service life
11. Comparing with the same length pile driving arm, ours can pile higher.
The parameter of the tunnel short arm
| cataloge | excavator model | board thickness |
| boom | 6-8T | 10mm |
| arm | | |
| boom | 10-15T | 14mm |
| arm | | |
| boom | 20-24T | 16mm |
| arm | | |
| boom | 30-36T | 25mm |
| arm | | |
| boom | 45-50T | 30mm |
| arm | | |
Advangtages of ZHONGHE MACHINERY
GOOD SERVICE:
1. Online support within 24 hours.
2. Appointment video technical support.
(Our engineers have focused on excavator boom and attachment over 10 years)
3. Long excavator boom shall be two/three jointed pcs to make it fittable into container to save shipping cost.
WARRANTY
1 year for long reach boom, 180 days for cylinder and linkage, 90 days for bucket.
Recommended Excavator Attachments
1. Long reach excavator boom
2. Excavator telescopic boom
3. Demolition boom
4. Excavator rock bucket
5. Excavator tilting bucket
6. Hydraulic grabs for excavators
Company profile
CERTIFICATIONS
TOP PICKS
Please feel free to contact Aria directly!
Click here to connect with Aria: Whatsapp/Wechat/tel:+86 13822325403
Email:excavatorlongarm@gmail.com
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