Australia is a key global market for construction machinery. Its construction and mining machinery market was projected to hit USD 2.88 billion in 2025. With consistent government investment in infrastructure development, market demand for hydraulic rock breaker machines — a core attachment for excavators — maintains steady growth.
Australia enforces clear regulations on construction noise. Per WHS Regulation 2025, workers must not be exposed to noise exceeding 85 decibels over an 8-hour workday. Standard hydraulic breakers can reach a sound power level of 118 decibels. This regulation makes noise-reducing equipment far more competitive for urban construction projects.
Excavator Rock Breaker for Sale Specifications
| Item/Model | Unit | YGB100 | YGB200 | YGB300 | YGB400 | YGB600 | YGB800 | YGB900 | YGB1600 | YGB1900 | YGB3500 | YGB4500 | YGB5000 | YGB5500 | YGB6000 | YGB6500 |
| Top Type Weight | kg | 85 | 140 | 160 | 355 | 440 | 640 | 900 | 1800 | 1970 | 2850 | 3160 | 4120 | 4800 | 5300 | 7200 |
| Box Type Weight | kg | 100 | 167 | 194 | 363 | 450 | 730 | 970 | 1950 | 2050 | 3000 | 3300 | 4250 | 4900 | 5400 | 7400 |
| Length | mm | 1000 | 1300 | 1400 | 1700 | 1750 | 2100 | 2400 | 2700 | 2860 | 3100 | 3286 | 3800 | 3700 | 4200 | 4300 |
| Pressure | bar | 90-120 | 90-120 | 90-120 | 110-140 | 110-160 | 120-170 | 150-170 | 160-180 | 160-180 | 160-180 | 160-180 | 160-180 | 180-220 | 200-240 | 200-240 |
| Flow | lpm | 15-25 | 20-40 | 25-50 | 40-70 | 50-90 | 60-100 | 80-120 | 120-160 | 130-170 | 170-220 | 200-300 | 210-290 | 220-300 | 230-320 | 360-450 |
| Rate | bpm | 900-1400 | 700-1200 | 600-1100 | 500-900 | 500-800 | 400-700 | 400-700 | 400-700 | 400-600 | 250-400 | 250-350 | 200-350 | 200-250 | 150-200 | 150-200 |
| Hose | inch | 1/2 | 1/2 | 1/2 | 1/2 | 1/2 | 3/4 | 3/4 | 1 | 1 | 1 | 1¼ | 1¼ | 1¼ | 1¼ | 1¼ |
| Chisel | mm | 40 | 45 | 53 | 68/70 | 75 | 85 | 100 | 135 | 140 | 155 | 165 | 175 | 185 | 195 | 205 |
| Suit | ton | 0.8-2.0 | 1.2-3.0 | 2.5-4.5 | 4-7 | 6-9 | 7-14 | 11-16 | 19-26 | 19-26 | 28-40 | 36-45 | 40-55 | 50-60 | 55-65 | 65-100 |
Case 1: Hydraulic Rock Breaker Machine Supports Commercial Building Demolition Project in Sydney
Client Background
This Sydney demolition firm owns six excavators and mainly takes small-to-medium urban commercial building demolition jobs. It previously used standard breakers from a European brand.
Client Requirements
In early 2025, the client won a tender to demolish a three-story commercial building in central Sydney. Shops and office buildings stayed open around the construction site, and the property owner set strict noise limits in the contract to minimise disruption to surrounding businesses. The client’s existing excavator breaker machine created loud noise, and extra noise barriers would push up construction costs.
YG Solution
Based on the client’s 12-ton excavator, YG regional sales managers recommended the silent YGB600 hydraulic rock breaker machine (compatible with 7–14 ton excavators). This model runs at 120–170 bar working pressure, 60–100 lpm hydraulic flow and 400–700 bpm impact rate. Its box-silent design cuts operating noise by roughly 30%.
Project Process
The client reached out to the YG sales team. The two sides communicated via emails and calls for about two weeks, during which the client mainly compared pricing and specs between YG’s silent model and the European brand’s equivalent. YG provided real-world operation data of this model under similar working conditions for reference. The client finally purchased one unit of YGB600.
Operation Results
After three months of use, the client confirmed that the machine generates far less noise than their old equipment. It meets the owner’s noise standards without extra sound insulation. The machine runs smoothly with zero breakdowns.
Case 2: Hydraulic Rock Breaker Machine Supports Urban Road Expansion Project in Melbourne
Client Background
This medium-sized Melbourne construction company specialises in municipal works, including road renovation and minor civil engineering. It prioritises low overall operating costs for construction equipment.
Client Requirements
In the second half of 2025, the company landed an urban road expansion project involving pavement breaking and partial rock excavation. Residential houses line both sides of the construction zone, so the local council required strict controls on working hours and noise levels. The client needed a low-noise hydraulic hammer machine to complete all breaking tasks.
YG Solution
YG recommended the YGB400 box type hydraulic breaker (fits 4–7-ton excavators). It operates at 110–140 bar pressure, 40–70 lpm flow and 500–900 bpm impact rate, perfectly suited for small and mid-sized excavators working in urban areas.
Project Process
The client learned about YG through industry referrals — a Sydney client who previously bought YG products shared positive feedback at an industry event. After contacting YG, the client focused on price gaps between silent and standard versions, spare part lead times and warranty policies. Following around one week of talks, the client ordered a silent YGB400 mini excavator rock breaker.
Operation Results
The unit performed reliably throughout the road expansion work, keeping noise within acceptable limits with zero noise complaints from nearby residents. The project finished right on schedule. The client found that this box type hydraulic breaker delivers the expected cost performance and has added it to the company’s regular equipment purchasing list.
Why Choose the YG Silent Hydraulic Rock Breaker Machine?
Main advantages:
Fully comply with noise control regulations
Every Australian state enforces strict noise limits for construction. An ordinary hydraulic rock breaker machine can produce a peak noise of 118 decibels, easily triggering complaints and fines during urban construction. YG silent breakers adopt fully enclosed boxes and internal sound-absorbing materials to reduce noise by about 30%. Contractors can meet environmental rules without extra noise barriers, lowering project shutdown risks and boosting competitiveness for bidding sensitive urban projects.
High durability for harsh working conditions
Australia’s mines and quarries feature high temperatures and heavy dust, which set high standards for equipment durability. The 360° wrapped box of YG silent breakers effectively stops broken stones and sediment from damaging core parts like main cylinders and pistons. Polyurethane shock pads cut noise while absorbing reaction force, lessening impact on excavator arms and pins, reducing maintenance frequency and prolonging overall machine lifespan.
No loss of working efficiency
Noise reduction does not mean weaker performance. Take YGB600 as an example: its hitting rate of 400–700bpm and working pressure of 120–170bar enable efficient concrete breaking and rock excavation. The shock-absorbing design also lowers vibration transmitted to the cab, easing operator fatigue and improving operation safety and precision.
Lower overall operation cost
YG silent breakers come at a lower purchase price compared with equivalent European products, with more cost-effective spare parts and maintenance services. All units carry a 1-year warranty and fast spare part delivery, helping small and medium contractors achieve stronger construction capacity with limited budgets.
Complete product line matching all excavators
YG silent series includes 15 models from YGB100 to YGB6500, matching excavators of 0.8–100 tons, covering mini 0.8-ton diggers up to large 100-ton machines. You can find a matching box type hydraulic breaker for delicate urban demolition or heavy mining operations, providing one-stop supporting solutions.
Contact Us
YG supplies a full product range including silent box type, standard top type and triangular breakers matching excavators of all tonnages. Whether your project covers building demolition, road construction or mining excavation, YG can deliver customised hydraulic rock breaker machine solutions. Reach out to YG to get product brochures and quotations.
