

A hydraulic rock breaker (also known as an excavator hydraulic hammer or concrete breaker for excavator) is a powerful attachment widely used in mining, construction, and demolition projects. Designed to deliver strong and consistent impact energy, it can efficiently break hard rock, reinforced concrete, and asphalt.
With increasing demand for efficient and safe construction methods, hydraulic breakers have become essential equipment for contractors looking to improve productivity while reducing labor costs.
👉 Looking for pricing? Check our hydraulic rock breaker price.
What Is a Hydraulic Rock Breaker?
A hydraulic rock breaker is an impact device powered by the hydraulic system of an excavator or loader. It converts hydraulic energy into mechanical impact force to break hard materials.
Main Components:
- Cylinder and piston system
- Chisel (tool bit)
- Control valve
- Accumulator (energy storage)
- Hydraulic hoses
This simple yet powerful structure ensures stable performance even under harsh working conditions.

Types of Hydraulic Rock Breakers
Choosing the right type of breaker is critical for efficiency and durability.
1. Box-Type Hydraulic Breaker (Silent Type)
- Fully enclosed structure
- Reduced noise and vibration
- Ideal for urban construction
2. Triangular Hydraulic Breaker
- Easy maintenance
- Cost-effective
- Widely used in general construction
3. Top/Side Type Hydraulic Breaker
- Flexible operation angles
- Suitable for trenching and demolition
Hydraulic Rock Breaker Parameters
| Model | ChiselDiameter | SuitableCarrierWeight | Main bodyWeight | OperatingPressure | HydraulicOil Flow | Blow Frequency | HoseDiameter |
| mm | Ton | kg | Kg/cm 2 | I/min | bpm | inch | |
| YG350 | 35 | 0.5-1 | 40 | 90-120 | 15-25 | 800-1300 | 1/2 |
| YG400 | 40 | 1-3 | 53 | 90-120 | 15-25 | 800-1300 | 1/2 |
| YG450 | 45 | 1.2-3.0 | 67 | 90-120 | 20-30 | 700-1200 | 1/2 |
| YG530 | 53 | 2.5-4.5 | 85 | 90-120 | 25-50 | 600-1100 | 1/2 |
| YG600 | 60 | 2-5 | 140 | 90-120 | 25-50 | 600-1100 | 1/2 |
| YG680 | 68 | 4-7 | 152 | 110-140 | 40-70 | 500-900 | 1/2 |
| YG750 | 75 | 6-9 | 210 | 120-150 | 50-90 | 400-800 | 1/2 |
| YG850 | 85 | 7-14 | 278 | 130-160 | 60-100 | 400-800 | 3/4 |
| YG100 | 100 | 10-15 | 475 | 150-170 | 80-110 | 350-700 | 3/4 |
| YG1250 | 125 | 15-18 | 616 | 150-170 | 80-110 | 350-700 | 3/4 |
| YG1350 | 135 | 16-26 | 846 | 160-180 | 130-150 | 400-800 | 1 |
| YG1400 | 140 | 18-26 | 916 | 160-180 | 120-180 | 350-500 | 1 |
| YG1400A | 140 | 18-26 | 952 | 160-180 | 120-180 | 350-500 | 1 |
| YG1500 | 150 | 27-35 | 1088 | 160-180 | 150-190 | 350-700 | 1 |
| YG1550 | 155 | 28-36 | 1309 | 180-200 | 200-260 | 250-400 | 1-1/4 |
| YG1650 | 165 | 30-40 | 1438 | 180-200 | 200-260 | 250-400 | 1-1/4 |
| YG1650P | 165 | 30-40 | 1586 | 180-200 | 200-260 | 250-380 | 1-1/4 |
| YG1750 | 175 | 35-40 | 1929 | 180-200 | 210-290 | 200-350 | 1-1/4 |
| YG1850 | 185 | 35-45 | 2411 | 190-220 | 220-270 | 200-250 | 1-1/4 |
| YG1990 | 190 | 40-55 | 2626 | 190-220 | 220-290 | 180-200 | 1-1/4 |
| YG2100 | 210 | 60-80 | 3396 | 200-240 | 290-350 | 150-200 | 1-1/4 |

Applications of Hydraulic Rock Breaker
Hydraulic rock breakers are widely used in mining and construction projects, especially for handling hard materials:
1. Mining & Quarry Rock Breaking
- Break granite, limestone, and ore directly on-site
- Handle oversized rocks after blasting
👉 Improve efficiency and reduce manual work
2. Reinforced Concrete Demolition
- Remove beams, columns, and floor slabs
- Suitable for renovation and partial demolition
👉 Precise breaking without damaging surrounding structures
3. Road & Bridge Construction
- Break asphalt pavement and concrete road base
- Used for bridge deck removal and maintenance
👉 Speed up road repair and reconstruction
4. Foundation Excavation
- Break hard rock layers during excavation
- Work efficiently in trenches and confined spaces
👉 Replace blasting in small or restricted areas
5. Urban Construction
- Pipeline trenching and basement projects
- Low-noise models suitable for city environments
👉 Meet strict noise and safety requirements
Looking for the right model? Contact us for a recommendation and best price.

Key Advantages of Hydraulic Rock Breaker
1. High Impact Efficiency
- Strong and continuous удар force
👉 Break hard materials faster, reduce working time
2. Durable and Wear-Resistant
- High-strength alloy steel structure
👉 Longer service life, fewer replacements
3. Stable in Harsh Conditions
- Works in heat, humidity, and dusty environments
👉 Reliable for mining and tropical projects
4. Wide Excavator Compatibility
- Suitable for 1.5–40 ton excavators
👉 One solution for multiple project types
5. Lower Cost Than Blasting
- No explosives or special permits required
👉 Safer operation and reduced total cost
6. Easy to Operate and Maintain
- Quick installation and simple maintenance
👉 Reduce downtime and training cost
Looking for the right model? Contact us for a recommendation and best price.
How to Choose the Right Hydraulic Breaker?
Selecting the right breaker depends on several key factors:
1. Excavator Size: Ensure compatibility with your excavator (1.5T–40T).
2. Working Application
- Mining → heavy-duty breaker
- Demolition → high-frequency breaker
3. Hydraulic Flow & Pressure: Match breaker requirements with your excavator system.
4. Material Type: Hard rock requires higher impact energy than concrete.
5. Working Environment: Tropical, dusty, or cold environments require different configurations.

Working Principle
The hydraulic breaker operates by converting hydraulic pressure into kinetic energy. The piston moves rapidly inside the cylinder and strikes the chisel, generating strong impact force to break materials.
This repeated impact ensures efficient and continuous breaking performance.
Global Working Cases
YG hydraulic rock breakers have been exported to many countries, including:
- Russia (cold environment construction)
- Guyana (tropical mining projects)
- UAE (urban demolition projects)
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FAQ About Hydraulic Rock Breaker
Q1: What is a hydraulic rock breaker used for?
It is used for breaking rock, concrete, asphalt, and other hard materials in construction and mining.
Q2: What excavators are compatible?
Our breakers are suitable for 1.5 ton to 40 ton excavators.
Q3: Is it better than blasting?
Yes. It is safer, more controllable, and environmentally friendly.
Q4: How long does a breaker last?
With proper maintenance, it can operate efficiently for several years.
Why Choose YG Hydraulic Rock Breaker?
- 20+ years manufacturing experience
- Exported to 20+ countries
- Stable quality with competitive price
- Fast delivery & professional support
Get the Best Solution for Your Project
Choosing the right hydraulic rock breaker can significantly improve your project efficiency and reduce costs.
👉 Contact us now to get:
- Free technical consultation
- Recommended model for your excavator
- Factory direct quotation









