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Q690D High Streghten Steel Excavator Long Arm Kit

Categories Excavator Long Boom
Brand Name: ZH
Model Number: Excavator long boom
Place of Origin: China
Excavator Model: ZX350
Grab: 12T Level
Material: Q345B + Q690D
Surface Finish: Sand-blasted And Painted
Quality: China OEM Parts
Export Port: Shenzhen
Origin: China
Track Shoe Width: 600 Mm
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Q690D High Streghten Steel Excavator Long Arm Kit

Excavator Long Reach Booms: The Ultimate Reach Extension Solution

Transform Your Excavator's Capabilities with Custom Long Reach Arms


Meta Description:
Boost productivity with high-quality excavator long reach booms (16-32m). Q690D steel construction, CE certified, perfect for dredging and deep excavation. Get a free quote today



1. What Are Long Reach Excavator Booms?

Excavator long reach booms are specially engineered attachments that extend your machine's digging range by 40-100% compared to standard arms. These heavy-duty extensions are ideal for:

✔ Deep foundation work
✔ River and port dredging
✔ Slope finishing
✔ Demolition projects
✔ Utility trenching


2. Key Features & Benefits

Superior Construction

  • Material: Q690D high-tensile steel (16-25mm thickness)
  • Reinforcement: Extra bracing at stress points
  • Finish: 3-layer anti-corrosion protection

Performance Advantages

  • 40% longer reach than OEM arms
  • 30% less fatigue through optimized geometry
  • 20% faster cycle times with smooth hydraulics

Case Study:
24m arm increased dredging productivity by 35% at Manila port



3. Technical Specifications


Q690D High Streghten Steel Excavator Long Arm Kit


2024 Zhonghe Machinery Catalogue 3M.pdf



Working Diagram of Long Reach Boom


A.Maximum lifting height

B. Maximum unloading height
C. Maximum digging depth
D. Maximum digging surface radius
E. Maximum excavation depth radius
F. Maximum elongation length
G. Maximum excavation turning radius

Standard Length Options

Excavator WeightReach OptionsRecommended Bucket Size
20-25t16-18m0.5-0.8m³
30-35t20-22m0.8-1.2m³
40t+24-32m1.2-2.0m³

Complete Package Includes

  • Main boom assembly
  • Dipper stick
  • Bucket linkage
  • Mounting hardware
  • Hydraulic hoses

4. Why Choose Our Long Reach Booms?

Manufacturing Advantages:
Precision laser cutting (±0.5mm tolerance)
Robotic welding for consistent quality
72-hour stress testing before shipment
CE & ISO 9001 certified production

Service Benefits:
✔ Free CAD drawings review
✔ On-site installation support
✔ 12-month structural warranty



5. Get Your Custom Solution

Answer 3 Simple Questions:

  1. Your excavator model? ______
  2. Required reach? ______ m
  3. Primary material to dig? ______

Expert Support Available:

Buy Q690D High Streghten Steel Excavator Long Arm Kit at wholesale prices
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