Hydraulic rock breakers differ from traditional breaking equipment. They utilize hydraulic transmission as their core, resulting in more efficient energy transfer and more controllable braking force. Mini excavator breakers, on the other hand, are optimized for small-scale engineering scenarios, featuring a compact size and lightweight design, compatible with 0.7-1.3 ton mini excavators, and widely used in confined space operations. Mini excavator breakers integrate crushing and preliminary screening functions, balancing efficiency and practicality. Furthermore, the use of compatible hydraulic breaker accessories (such as quick connectors and chisel bushings) not only extends equipment lifespan but also improves operational flexibility and reduces maintenance costs. Whether in mining, demolition, or municipal maintenance, hydraulic breakers for excavators and mini excavator breakers play a crucial role. Choosing the right excavator breaker directly determines construction efficiency, equipment lifespan, and cost control. Contact us now!
Hydraulic Rock Breaker Parameter
| 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 |
Types of Hydraulic Rock Breakers
1. Triangular Hydraulic Breaker (Side-mounted)
The mainstream type on the market. Its triangular structure distributes force effectively, providing strong stability and minimizing wear on the excavator boom and hydraulic system. Advantages include excellent shock absorption and precise impact. Suitable for light to medium-duty breaking operations, such as municipal road repair, concrete demolition, and secondary crushing in mines. It is the mainstream design for small hydraulic rock breakers, offering high cost-effectiveness and easy maintenance.
2. Right-angle Hydraulic Breaker (Top-mounted/Straight)
With an overall upright structure, it concentrates impact force, delivers powerful breaking strength, and provides a wide field of vision. Suitable for vertical downward breaking and crushing large, hard materials. Suitable for heavy-duty applications, such as large-scale mining, hard bedrock breaking, and large building demolition. However, it has a larger recoil force, requiring a higher tonnage excavator.
3. Box-type Hydraulic Breaker (Silent Type)
A fully enclosed box-type structure offers excellent dustproof and noise reduction effects, with noise levels controlled below 95 decibels. Suitable for noise-sensitive environments such as urban core areas and residential areas. With its compact internal structure and high durability, the hydraulic breaker is relatively expensive and requires specialized tools for maintenance, classifying it as a high-end excavator hydraulic breaker.
Furthermore, based on the power source, hydraulic, pneumatic, and electric hydraulic breakers can be categorized. Hydraulic breakers, with their powerful performance, high efficiency, and wide adaptability, hold over 90% of the market share and are the preferred choice. Mini excavator breakers integrate crushing and preliminary screening functions, suitable for integrated small-scale engineering operations.
Key Considerations for Selecting a Hydraulic Rock Breaker
- Hydraulic Parameter Matching: Verify that the excavator’s flow rate and pressure match the breaker’s rated parameters. Insufficient flow will result in weak impact, while excessive flow can damage the seals.
- Structural Matching: Choose a triangular type for municipal and fine crushing; a right-angle type for mining and hard rock crushing; and a box-type silent type for urban construction.
- Cylinder Material: Prioritize 20CrMo or 42CrMo alloy steel, which undergoes overall heat treatment for high hardness, wear resistance, and durability.
- Seal Quality: Imported seals (such as NOK) are high-pressure resistant, leak-proof, and have a service life 2-3 times longer than domestic parts, reducing maintenance costs.
- Complete Accessories: Standard hydraulic breaker accessories (chisel rod, oil pipe, seals, bracket) are included to avoid additional procurement costs later.
Case Study: Melbourne, Australia Mining and Municipal Renovation Project
YG provides Australian customers with two main hydraulic rock breakers: the YG-750 and YG-100. The YG-750 is designed for medium-sized excavators, emphasizing high efficiency and balance, while the YG-100 is designed for heavy-duty excavators, focusing on hard rock breaking. Both models utilize 42CrMo alloy cylinders and imported seals, effectively addressing customers’ pain points of low construction efficiency and high maintenance costs. For more product information, please contact us.
Client Background:
A Melbourne-based engineering company in Australia, with operations spanning open-pit mining, municipal renovation, and road maintenance, owns 6 excavators ranging from 6 to 16 tons and needs to replace their aging hydraulic breakers. Their mines have rock compressive strengths up to 80 MPa, and their municipal projects have stringent requirements for noise and vibration control, as well as extremely high demands for equipment compatibility, stability, and after-sales service.
Construction Challenges:
1. Crushing speed of only 1.2 m/h in 80MPa hard rock caused project delays;
2. Poor equipment stability, frequent replacement of wear parts, and high monthly maintenance costs;
3. Insufficient compatibility, requiring separate purchase of corresponding models, increasing investment;
4. Excessive noise and vibration, leading to complaints and damage to the excavator’s main unit.
Solution:
After the on-site inspection, the YG technical team customized a solution for the client. The client purchased 2 YG-750 hydraulic rock breakers (compatible with 6-9 tons), 2 YG-100 hydraulic rock breakers (compatible with 10-15 tons), and a complete set of hydraulic breaker accessories. Comprehensive services were also provided: operation guidance, establishment of maintenance records, 24-hour after-sales service, and free technical training.
Usage Results:
The YG-100 hydraulic breaker has a 192% higher crushing efficiency than the original equipment and a 55% shorter mining cycle; the YG-750 has noise levels ≤85 decibels, vibration reduced by 60%, resolved complaints, and provided high crushing precision without the need for secondary adjustments, significantly improving construction efficiency.
Customer Testimonials:
“YG hydraulic breakers are well-suited for our mining and municipal operations, exceeding our expectations in efficiency and stability. The high-strength cylinders and imported seals significantly reduce maintenance costs and solve operational challenges. YG is a trustworthy long-term partner, and we will continue to purchase from them in the future.”
Prioritize Professional Hydraulic Rock Breaker Manufacturers
When purchasing, first determine the excavator tonnage and working conditions, then match the parameters to the YG model, and choose the appropriate configuration based on your budget. YG, as a professional manufacturer of hydraulic breaker accessories, offers a full range of products, from mini excavator breakers to heavy-duty hydraulic rock breakers. With complete models, precise parameters, and transparent pricing, they are suitable for various working conditions. Their mini excavator breakers can be flexibly switched between to meet integrated construction needs. Please contact us for specific pricing information.
