Meta Description:Discover Guchuan's SB30/GCB50 silent-type breaker. Perfect for 2.5-4.5ton excavators, it offers powerful performance with 50%+ noise reduction. Ideal for urban construction. Get specs & quotes.
SB30 / GCB50 Silent-Type Hydraulic Breaker: Power Meets Quiet Precision
At Guchuan Machinery, a leading Chinese manufacturer of high-quality engineering attachments since 2010, we understand the demands of modern construction. We are proud to introduce the SB30 / GCB50 Silent Hydraulic Breaker, a revolutionary solution designed for mini excavators that delivers exceptional power while significantly reducing operational noise. This breaker is the ideal mini excavator attachmentfor urban environments, indoor demolition, and any project where noise control is critical.
Key Features & Unmatched Advantages
The SB30/GCB50 is engineered with advanced technology to provide superior performance and durability for your 2.5 to 4.5ton excavator.
· •Advanced Silent Technology:Our proprietary silencing system incorporates a specially designed casing and damping materials that absorb sound waves and reduce vibration transmission. This results in a noise reduction of over 50%compared to standard breakers, ensuring compliance with strict urban noise regulations.
· •Optimized Energy Efficiency:Designed to operate within a flow rate of 25-50 L/minand pressure of 90-120 Bar, the SB30 / GCB50 maximizes the hydraulic power of your compact equipment. This efficient design minimizes fuel consumption on your carrier machine, reducing your total operational costs.
· •Robust & Durable Construction:Built with a high-strength steel body and featuring a 53mm tool diameter, this breaker is engineered to withstand the toughest demolition tasks. The side-plate structureenhances durability and simplifies maintenance, ensuring a longer service life and lower cost of ownership.
· •High Impact Rate & Consistent Power:With an impressive impact rate of 600-1100 blows per minute (BPM), the SB30 / GCB50 delivers fast, powerful, and consistent breaking force for concrete, rock, and asphalt, maximizing your job site productivity.
Parameter
| 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 |
SB30 / GCB50 Silent Breaker Designed for Demanding, Noise-Sensitive Applications
This model is the perfect construction attachmentfor a wide range of applications, especially where low noise is a priority:
· •Urban Construction & Renovation:Building demolition, roadwork, and landscaping in noise-sensitive areas like hospitals, schools, and residential neighborhoods.
· •Indoor Demolition Projects:Breaking floors, walls, and foundations inside buildings without causing disruptive noise.
· •Landscaping & Trenching:Precise rock breaking and trench digging for utility lines.
· •Agriculture and Farm Use:Versatile tasks requiring the power of a breaker on a compact tractor or mini excavator.
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Company Profile
Jiangsu Guchuan Machinery Co., Ltd. is a leading manufacturer based in Changzhou, Jiangsu Province, China. Established in 2010, our company occupies over 18,000 square meters and employs more than 120 skilled professionals. We specialize in the research, development, manufacturing, sales, and service of hydraulic breaker hammers and other Construction Attachments, offering comprehensive solutions for the construction and demolition industries. 
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Guchuan SB30/GCB50 Silent Type 168kg Boxed Breaker with 53mm Chisel for 2.4-4.5 ton Excavator Images
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