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How to Choose the Long Reach Boom / Extended Arm?

When it comes to maximizing the efficiency of your excavator, selecting the right long reach boom (extended arm) is essential. The right choice not only improves performance but also helps you tackle specialized projects safely and effectively.

Types of Extension Arms

Long Reach Front – Designed for extra digging depth and reach.

 

Two-Piece Boom – Flexible configuration, ideal for multiple applications.

 

Multi-Section Boom – Allows extended height and length for complex demolition or dredging tasks.

 

Each boom type can be selectively attached to a hydraulic excavator depending on the working height and project requirements.

 

Working Conditions for Extended Arms

 

1. Demolition

For high-rise or industrial demolition, an extended arm length of 18m–40m combined with Hydraulic Shear, Rotating Sorting Grapple, and Manual Grapple delivers maximum efficiency and safety.

2. River & Dredging Operations

Extended arms are widely used for river cleaning, dredging, and waterway maintenance on both land and barge.

  • Recommended configuration: 18m–40m extended arm + Hydraulic Shear + Grapples.

 

3. Pile Driving

When equipped with an 8m extended arm + pile driver, excavators become highly efficient for steel sheet piles, steel pipe piles, and long slender precast concrete piles.

  • Best suited for sandy ground; less effective in clay unless using higher-powered machines.

 

 

4. Infrastructure & Foundation Excavation

For basements, deep foundation digging, ditches, levee construction, and pond maintenance, the ideal setup is:

  • 8m extended arm + General Purpose (GP) bucket.

 

 

5. Drainage Canal Construction & Maintenance

For canal projects that require both reach and precision, the best configuration is:

  • 12m–18m extended arm + mud bucket

 

 

Why Choose RSBM Long Reach Boom?

Precision Engineering – Designed with high-strength steel for durability.

Versatility – Multiple configurations for demolition, dredging, piling, and foundation projects.

Efficiency Boost – Increased working range reduces repositioning and improves project timelines.

Trusted Performance – Proven in tough global job sites, delivering both reliability and cost-effectiveness.

At RSBM, we provide customized long reach booms tailored to your machine model and project requirements. Whether you need maximum demolition height, deep excavation capability, or efficient river dredging solutions, RSBM is your trusted partner.

Ready to upgrade your excavator with the right long reach boom?
Contact RSBM today and get a solution built for your toughest challenges.


Post time: Nov-10-2025