Silence Box Type Hydraulic Breaker Rock Hammer SB40 With 68mm Chisel For 4-7 tons Excavator
Product Description:
The SB40 hydraulic breaker is a high-performance rock breaker attachment designed for 4-7 ton excavators. Ideal for building demolition, mining, and road construction, the SB40 features a robust 68mm chisel, efficient operating pressure of 110-140 Bar, and an impact frequency of 500-900 blows per minute. Constructed from high-strength 20Cr2Ni4 alloy steel, it delivers exceptional durability, reliability, and powerful breaking force for concrete, rock, and asphalt in demanding environments. The SB40 supports OEM/ODM customization and comes with a 1-year warranty, making it the preferred choice for contractors seeking efficiency and long service life.
Choose the Hydraulic Hammer for your next project and experience the power and precision of this essential tool in action.
Product Advantages
Why Choose Us: Premium Quality Hydraulic Breakers & Attachments
Our company is recognized in the industry for superior product quality, advanced manufacturing processes, and outstanding customer service. Here’s what sets our hydraulic breakers and excavator attachments apart:
"Please Contact Service to Get Catalog — Match the Perfect Breaker for Your Machinery."
GUCHUAN Hydraulic Breaker 4 Main Types:
>>> Backhoe Loader Type:
- Compact & Lightweight Design;
- Fast switching between digging and breaking;
- Easy Maintenance.
>>> Side Type:
- Good for tight spaces;
- Hook back things conveniently;
- Easy Maintenance.
>>> Top Type:
- Easy to locate and control;
- Better power transmission;
- Weight lighter, the lower risk of broken drill rod.
>>> Box/Silence Type:
- Reduce noise to protect the environment;
- Full-closed design protects the main body from damage;
- Add damping modules to protect main body, enhanced durability.
How To Choose Suitable Chisels?
Moil Point Chisel
- General use with demolition work and inquarriers;
- Breaking up slag insteel mills;
- Demolishing foundations;
- Roadway drivage and roadway shots in mining.
Blunt chisel
- Crushing large rock piecesin quarries;
- Crushing slag;
- Group compression.
Flat Chisel
- General use with additional cutting cation
- Drawing pits in rocky subsoil
- Separating rock slabs
Conical Chisel
- General demolition work where penetrative breaking is required.
| Light Weight Range Hydraulic Breaker |
| Model No. | Chisel Diameter (mm) | Excavator Weight (ton) | Body Weight (kg) | Working Flow Rate (L/min) | Working Pressure (Bar) | Impact Rate (bpm) |
| SB10/GCB40 | 40 | 0.8-2.5 | 73 | 15-30 | 90-120 | 800-1400 |
| SB20/GCB45 | 45 | 1.2-3.0 | 100 | 20-40 | 90-120 | 700-1200 |
| SB30/GCB50 | 53 | 2.5-4.5 | 120 | 20-50 | 90-120 | 500-900 |
| SB40/GCB60 | 68 | 4.0-7.0 | 298 | 40-70 | 110-140 | 400-800 |
| Medium Weight Range Hydraulic Breaker |
| SB43/GCB75 | 75 | 6.0-9.0 | 375 | 50-90 | 120-150 | 400-800 |
| SB50/GCB100 | 100 | 11-16 | 890 | 80-110 | 150-170 | 350-700 |
| SB81/GCB22O | 140 | 18-26 | 1754 | 120-180 | 160-180 | 350-500 |
| SB81A/GCB220 | 140 | 18-26 | 1773 | 120-180 | 160-180 | 350-500 |
| HB20G/GCB200 | 135 | 18-25 | 1680 | 125-150 | 160-180 | 400-800 |
| Large Weight Range Hydraulic Breaker |
| SB121/GCB320 | 155 | 28-35 | 2555 | 180-240 | 160-180 | 300-450 |
| SB131/GCB350 | 165 | 35-43 | 3065 | 200-260 | 160-180 | 250-400 |
| HB30G/GCB300 | 150 | 25-30 | 2305 | 160-190 | 160-180 | 350-700 |
| GCB500 | 195 | 50-60 | 5350 | 245-290 | 230-250 | 100-150 |
| GCB650 | 210 | 65-100 | 7200 | 290-340 | 250-270 | 90-130 |
Jiangsu Guchuan Machinery Co., Ltd. founded in 2010, is located in Jiangsu Changzhou (Close to Shanghai), is dedicated to hydraulic crushing hammer and key parts of the R&D, manufacturing, and service. At present, Guchuan covers an area of more than 18,000 square meters, has 110+ employees, including 19 R&D technology and quality control personnel, and 56 direct manufacturing personnel. We have a skilled, experienced after-sales service team to provide customers with training, regular overhaul, maintenance, upgrade, and other comprehensive services.
Guchuan hold 3 invention patents, 23 utility model patents, 15 intellectual property rights, and is recognized as a China High-Tech Enterprise.
In 2019, Guchuan successfully self-developed automatic frequency conversion hydraulic crushing hammer.
Through complete product development, process development, control, and standard operations to ensure the products delivered to customers are 100% qualified.
| Q: Are you a manufacturer ? |
| A: Yes, our factory was established in 2010. |
| Q: Are you sure your product will fit my excavator? |
| A: Our hydraulic breakers are suitable for most excavator. Show us your excavator model, we'll confirm the solution. |
| Q: How about your products warranty? |
| A: 12 months warranty for hydraulic breakers and 6 months for spare parts. |
| Q: Can you produce according to customer's design? |
| A: Sure, OEM & ODM service available. We are professional manufacturer in Jiangsu. |
| Q: What's the MOQ and payment terms? |
| A: MOQ of hydraulic breaker is 1 set. Payment via T/T, Western Union accepted, our terms can be negotiated. |
| Q: How about delivery term ? |
| A: 5-25 working days after payment. |
| Q: How about the package? |
| A: Our hydraulic breakers wrapped by stretch film, packed by pallet or polywood case, or as requested. |
| Q: Which country have you exported? |
| A: Saudi Arabia, Korea, Thailand, Cyprus, India, Canada, Australia, Peru, Egypt, Brazil, Mexico, South Africa, etc |
