20m Long Reach Boom and Arm for Hitachi Zx350 Excavator

Model No.: HD-LDB350
Size: Medium-Sized
Certification: CE, ISO9001:2000, SGS
Condition: New
Material: Q345B (Sgc490)
Boom Length: 11000mm
Arm Length: 9000mm
Max Dig Depth: 14500mm
Max Extensive Scope: 19600mm
Max Dig Height: 14920mm
Folding Height: 3210mm
Suitable Excavator Tonnage: 35-ton
Warranty: 6 months
Trademark: GD-Haide
Transport Package: Bubble Film
Specification: CE, SGS, ISO9001:2000
Origin: Dongguan City, Guangdong Province
HS Code: 843149

Description:

Our company has been in operation since 2006 and has over 15 years of experience in designing and customizing long reach booms for all major excavator brands. We specialize in providing high-quality, durable solutions tailored to meet the specific needs of our clients.

This long reach boom is compatible with a wide range of excavator models and offers OEM services if required. Our advanced manufacturing processes are aligned with global standards, ensuring superior performance and reliability.

We can customize this long boom specifically for your ZX350 excavator, as we have all the necessary installation dimensions. The boom includes a lubricant pipe system, hydraulic system, one counterweight of 2.5 tons, one bucket with 0.6 cubic meter capacity, one bucket cylinder, one linkage, six pins, and four hoses.

The stick cylinder of the long boom uses your original part, but we can also provide a custom-made version if needed. Additionally, we can add extra pipelines to accommodate special applications upon request.

All welding is done manually using a protective gas mixture of 80% Argon and 20% CO2, which is considered the industry standard for high-quality welds. The main materials used are Q345B and Q690D, with the top and bottom cover plates made from Q690D. Pins are made from 42CrMo4, ensuring strength and durability.

For heavy-duty applications, some parts can be reinforced by using thicker plates or overlapping additional plates. Before welding, we use a large edge milling machine to prepare the edges, allowing for deeper weld penetration and stronger structural integrity.

After welding, we use a boring machine to adjust the precision of the main joints and structures, preventing any stress-related tolerances. The production time is approximately 15 days, and the warranty lasts for 6 months after installation.

We also provide a detailed parts list for easy maintenance and after-sales support. This ensures that you can quickly access replacement components when needed.

Specifications:

Boom Length 11000 mm
Arm Length 9000 mm
Max Extensive Scope (A) 19600 mm
Max Dig Depth (B) 14500 mm
Max Dig Height (D) 14920 mm
Max Dig Depth in Vertical Wall (C) 13328 mm
Max Unloading Height (E) 12420 mm
Min Rotate Radius (F) 4500 mm
Bucket Volume 0.6m³
Counter Weight 2.5 ton
Folding Height 3210 mm

Applications:

1. River and sea dredging operations

2. Construction projects requiring long reach excavators

3. Exported to Australia and widely used in various industries

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