

Selecting the wrong breaker damages your oil pump and reduces daily rock output. A built-to-last hydraulic breaker converts fluid power into high-impact blows, smashing hard rock and concrete fast.
Field data shows that matching oil flow and working pressure increases strike rate by 20% while cutting fuel use by 15%. Choosing the right frame style also absorbs shock, protecting your excavator arm from stress cracks.
Hydraulic 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 | 150-200 | 1-1/4 |
What Is the Difference Between Box Silent, Side, and Top Hydraulic Breaker Types?



Frame housing designs dictate working noise, operator visibility, and job site positioning.
- Box Silent Type: A fully enclosed housing features thick rubber dampeners. This hydraulic breaker for excavator setup reduces noise by 10-15 dB and protects internal cells, making it ideal for urban demolition.
- Side Type: A lower overall length allows easy pin mounting and field service. This excavator breaker gives operators a clear view in trenching and footing work.
- Top Type: A longer reach design enables deep vertical hammering. The straight top bracket transfers downforce straight into hard rock, fitting open-pit quarries best.
Beyond breakers, YG Machinery builds complete excavator attachments. For building teardowns, team up with a hydraulic concrete pulverizer to crush slabs and free rebar. For land clearing, an excavator stump shear cuts thick roots clean, while a high-frequency vibrating ripper cracks weathered rock formations.
💡 Field Tip: Pick box silent units for city jobs. Go with top-mounted models if you need direct vertical downforce in open quarries.
How Do You Match a Hydraulic Breaker to Excavator Weight and Flow?

Hydraulic oil flow (L/min) matters far more than machine tonnage alone when sizing a tool.
- Mini Excavators (0.8 – 6 Tons): Require 15-50 L/min oil flow at 80-120 bar pressure. These small units suit utility trenching and slab breaking.
- Medium Excavators (10 – 20 Tons): Need 80-150 L/min flow paired with 100-140 mm chisel bits. They handle roadwork and building demolition with ease.
- Heavy Quarry Excavators (25 – 50+ Tons): Demand 180-260 L/min flow at 160-180 bar pressure, built for heavy quarrying and hard rock mining.
💡 Field Tip: Always test real auxiliary flow using a flow meter on your carrier line before buying; low oil flow cripples impact frequency.
Where Does a Hydraulic Breaker Deliver the Best Work Results?
- Quarrying and Mining: Shatter granite, basalt, and limestone cleanly without dangerous explosives.
- Road and Bridge Demolition: Break up thick asphalt, bridge piers, and concrete foundations.
- Trenching and Tunneling: Carve utility channels and tunnel faces in tight rock spaces.
Field Case: How a Brazilian Quarry Contractor Boosted Rock Output by 40%?

Carlos, a quarry contractor in Brazil, struggled with hard granite beds. His old hammer overheated hydraulic oil fast and lacked striking force, throwing projects behind schedule.
We supplied him with a heavy top-type hydraulic breaker for excavator use (fitted with a 140 mm chisel) and adjusted his main relief valve pressure.
The operational results were immediate:
- Daily rock tonnage jumped by 40%, rising from 450 tons to 630 tons per day.
- Hydraulic oil temperature stayed under 65°C, ending thermal shutdowns.
- Annual spare parts maintenance costs dropped by 25%.
Ready to Boost Your Rock Breaking Efficiency?
If you need durable, hard-hitting, and cost-effective rock tools, YG Machinery delivers direct factory support. From every hydraulic breaker model to a hydraulic concrete pulverizer or vibrating ripper, we back your fleet worldwide.
Contact the YG Machinery team today to get your custom model match and factory quote!

