Construction sites, mining areas, and road maintenance projects often require equipment that can break hard materials quickly. A hydraulic breaker machine uses hydraulic power from an excavator to crush concrete, rocks, asphalt, and other hard materials through repeated impact.
Hydraulic Breaker Machine Specifications
The hydraulic breaker series provides different configurations for various excavator sizes and working environments.
| Model | Chisel Diameter | Excavator Class | Operating Pressure | Oil Flow | Frequency |
|---|---|---|---|---|---|
| YG68 | 68mm | 4-7T | 110-140kg/cm² | 40-70L/min | 500-900bpm |
| YG750 | 75mm | 6-9T | 120-150kg/cm² | 50-90L/min | 400-800bpm |
| YG850 | 85mm | 7-14T | 130-160kg/cm² | 60-100L/min | 400-800bpm |
| YG1000 | 100mm | 10-15T | 150-170kg/cm² | 80-110L/min | 350-700bpm |
| YG1250 | 125mm | 15-18T | 150-170kg/cm² | 80-110L/min | 350-700bpm |
| YG1350 | 135mm | 16-26T | 160-180kg/cm² | 130-150L/min | 400-800bpm |
| YG1500 | 150mm | 27-35T | 160-180kg/cm² | 150-190L/min | 350-700bpm |
| YG1750 | 175mm | 35-40T | 180-200kg/cm² | 210-290L/min | 200-350bpm |
| YG2100 | 210mm | 60-80T | 200-240kg/cm² | 290-350L/min | 150-200bpm |


How Does a Hydraulic Rock Breaker Machine Work
A hydraulic rock breaker machine works by converting hydraulic energy from the excavator into repeated impact force.
The excavator hydraulic system supplies pressurized oil through hydraulic hoses. The oil enters the breaker body and drives the internal piston movement.
The working process includes:
- Hydraulic oil enters the breaker cylinder.
- Hydraulic pressure pushes the piston upward.
- The accumulator stores energy through nitrogen pressure.
- The reversing valve changes oil direction.
- The piston moves downward and strikes the chisel.
- Impact energy transfers through the chisel to break concrete or rock.
How Does an Excavator Breaker Machine Handle Different Materials
An excavator breaker machine is designed for breaking hard materials that cannot be removed easily by standard excavation tools.
Common materials include:
- Reinforced concrete structures
- Road pavement
- Natural rocks
- Building foundations
- Mine stones
The breaker attachment transfers impact energy directly to the target area. Operators can control the excavator arm position and focus the impact on specific sections.


Application Scenarios of Hydraulic Breaker Machine
A hydraulic breaker machine is designed for breaking concrete, rock, asphalt, and other hard materials. Different industries choose suitable models according to excavator size and working conditions.
| Application | Typical Tasks | Working Environment |
|---|---|---|
| 🏗️ Construction & Demolition | Concrete demolition, foundation removal, old building renovation | Urban construction sites, renovation projects |
| 🛣️ Road Maintenance | Asphalt breaking, bridge repair, pavement removal | Highways, municipal roads, infrastructure projects |
| ⛏️ Mining & Quarry | Rock fragmentation, stone excavation, secondary crushing | Mines, quarries, rocky areas |
| 🚧 Underground Engineering | Rock excavation, pipeline installation, foundation preparation | Underground construction, limited-access areas |
A suitable hydraulic rock breaker machine helps excavators handle different breaking tasks without replacing the main machine. Contractors can select the breaker model based on material hardness, excavator capacity, and project requirements.
Operating Cost Analysis Of Hydraulic Breaker Equipment
The main operating costs of a hydraulic breaker come from wear parts, maintenance, and hydraulic matching.
| Cost Item | Details |
|---|---|
| Wear Parts | Chisel, seals, bushings, bolts |
| Maintenance | Lubrication, connection inspection, fastener checks |
| Hydraulic Matching | Excavator tonnage, pressure, oil flow, hose size |
Wear Parts
Impact components require regular inspection during operation.
- Chisel: Check wear after rock breaking work
- Seals & Bushings: Replace when hydraulic leakage or excessive clearance appears
- Bolts: Inspect tightening condition before operation
Wear frequency depends on material hardness and working intensity.

Maintenance
Basic maintenance includes:
- Hydraulic connection inspection
- Impact part lubrication
- Fastener tightening
- Chisel condition checking
For overseas projects, preparing common spare parts helps reduce downtime caused by shipping delays.

Hydraulic System Matching
Before installation, confirm:
- Working pressure: 110-240kg/cm²
- Oil flow: 40-350L/min
- Hose connection: Match breaker model requirements
Overseas Customer Experience With Hydraulic Breaker Machine
A South American construction contractor contacted YG for an excavator attachment used in concrete demolition and rock excavation projects.
Project Process
Inquiry
→ Customer shared excavator model, working materials, and project requirements
Technical Confirmation
→ YG engineers checked hydraulic conditions and recommended a suitable configuration
Order & Delivery
→ Equipment production completed and shipped internationally
Installation & Operation
→ Breaker installed on excavator for foundation demolition and road maintenance

Application Results
After installation, the customer used the hydraulic breaker for:
- Concrete removal
- Hard material excavation
- Foundation demolition
- Road maintenance work
The customer confirmed that the breaker matched the excavator system and supported continuous project operation.
About YG Machinery
With 20+ years of machinery manufacturing experience, YG provides equipment solutions for construction, mining, and industrial projects worldwide.
Why Choose YG
- 20+ Years Manufacturing Experience
Serving global customers with professional machinery production capabilities.
- CE Certified Equipment
Products meet international market requirements with CE certification support.
- Technical & Custom Support
YG provides equipment selection, configuration suggestions, and project-based solutions.
- Global Delivery Service
Supporting overseas customers with international shipping and communication.
YG supplies hydraulic breaker machine solutions for concrete demolition, rock breaking, and excavation applications. The product range also includes related equipment such as hydraulic rock splitter, concrete breaking equipment, and other construction machinery for different project needs.





