129883A1 Boom Assembly – Case 580 L / 580 L Series 2 / 580 M

The 129883A1 Boom Assembly is a high-strength replacement boom designed for Case 580 L, Case 580 L Series 2, and Case 580 M backhoe loaders.
This heavy-duty boom is engineered for digging, lifting, trenching, demolition, and material handling, providing excellent durability and performance under tough jobsite conditions.

Built with reinforced high-tensile steel, this boom assembly offers long service life, stable structural integrity, and reliable performance for all types of groundwork and excavation tasks.

Function of the Boom Assembly

The boom is one of the most critical structures of a backhoe. It performs:

• Lifting and lowering of the dipper/stick

• Providing reach and depth for excavation

• Supporting hydraulic cylinders

• Transferring digging force to the ground

• Stabilizing the backhoe during heavy digging

• Handling trenching, loading, and demolition loads

A strong boom ensures safe, stable, and efficient operation.

Key Features & Advantages

• Heavy-duty reinforced structure for long-term durability

• Built with high-tensile alloy steel

• Precision-aligned pivot points for smooth operation

• Designed to handle high torque & digging force

• Strong welds and reinforced boom sections

• Compatible with Case original pins & bushings

• Suitable for all ground conditions – soil, clay, sand, rock (soft/medium)

• Improves digging stability & lifting performance

 Common Symptoms Indicating Boom Needs Replacement

Replace the boom assembly if you notice:

• Major cracks or structural fractures

• Bent boom arms due to overload

• Severe wear at boom-to-dipper pivot points

• Weld joint failure

• Reduced digging stability

• Excessive play in boom movement

• Hydraulics cannot maintain proper force due to structural issues

A damaged boom is unsafe and may lead to machine collapse or hydraulic failure.

Why Choose HSA Boom Assembly?

• High-quality HSA-manufactured / reinforced structure

• Designed according to Case 580 OEM dimensions

• Stronger durability than many aftermarket brands

• Heavy-duty construction for construction, roadwork, agricultural & industrial use

• Reliable, stable, and ready for long-term operation

• Direct replacement – no modification needed

Compatible Models

• Case 580 L

• Case 580 L Series 2

• Case 580 M

Ideal for:

• Boom replacement

• Backhoe refurbishment

• Structural component repair

• Machine rebuilding

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129883A1 ԭڱܳɣBoom Assembly– Case 580 L / 580 L2 / 580 M

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