What is a hydraulic breaker on an excavator | Huilian Guide
What is a Hydraulic Breaker on an Excavator?
Understanding what a hydraulic breaker on an excavator is can be critical for professionals dealing with excavator parts. This article breaks down the core concept, key features, common applications, and maintenance tips to address quick fact searches in the excavator part industry.
What is a Hydraulic Breaker on an Excavator?
A hydraulic breaker—also known as a hydraulic hammer—is a robust demolition tool attached to an excavator. It’s designed for breaking rocks, concrete, and other hard materials, making it indispensable in mining, quarrying, and construction projects.
Key Functions & Components
- Energy Source: Utilizes the excavator’s hydraulic system to power the breaker.
- Striking Mechanism: Converts hydraulic energy into mechanical force for high-impact blows.
- Tool Point: Typically a chisel or blunt tool designed to fracture surfaces.
- Mounting Bracket: Allows secure attachment to the excavator arm.
Typical Use Cases
- Demolition Work: Breaking concrete during the teardown of buildings or infrastructure.
- Quarry Operations: Splitting and fragmenting large rocks or boulders.
- Trenching: Excavating in bedrock or compacted ground conditions.
- Road Construction: Removing pavement or reinforced concrete.
Hydraulic Breaker Benefits
- High Efficiency: Faster and more effective than manual or less powerful breaking tools (Caterpillar, 2021).
- Versatility: Compatible with a wide range of excavator sizes, optimizing fleet utility.
- Durability: Built to sustain repeated high-force impacts under challenging conditions.
Choosing the Right Hydraulic Breaker
- Excavator Compatibility: Match breaker size and weight to the host excavator for performance and safety.
- Material Hardness: Select breakers based on the type of material to achieve optimal impact energy.
- Aftermarket Support: Secure access to spare parts and technical support (Refer: Construction Equipment Guide).
Maintenance and Best Practices
- Routine Inspection: Regularly check for wear and hydraulic leaks to prevent downtime.
- Proper Lubrication: Essential for tool longevity; follow OEM recommendations.
- Correct Usage: Avoid blank firing and always operate within specified pressures (Komatsu, 2022).
Sources
- Caterpillar Inc. Hydraulic Hammer Efficiency. 2021.
- Construction Equipment Guide. Hydraulic Breaker Maintenance Tips.
- Komatsu. Proper Care for Hydraulic Attachments. 2022.


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What types of excavator parts do you offer?
We provide a wide range of high-quality excavator parts, including hydraulic breakers, chisels, seal kits, diaphragms, pistons, wear bushes, retainer bars, through bolts, side bolts, valves, and liners.
Are your parts compatible with all excavator brands?
Yes, our parts are designed to be compatible with major brands like Komatsu, Caterpillar, Hitachi, Hyundai, Doosan, JCB, Kobelco, Sany, and many more.
Do you offer OEM and aftermarket parts?
Yes, we manufacture high-quality OEM parts and supply aftermarket parts from top brands such as NOK, Parker, SKF, and Hallite to ensure optimal performance.
What is your shipping and delivery time?
We offer fast and reliable global shipping. Delivery times vary depending on location and order size, but we strive to process and ship orders as quickly as possible.


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The Huilian SOOSAN SB81 Breaker Seal Repair Kit includes high-quality Parker oil seals C3X005 and C31012, designed for SB81A SB81TSP and SQ80 models. Ensure durable, leak-free breaker performance with this reliable SB81 seal replacement kit. Perfect for maintenance and repair needs.
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