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Reliable Construction Machinery Supplier！
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KM-SB40 Silent Type Hydraulic Breaker for 4.5–6 ton excavators. Quiet, high-impact rock breaker ideal for urban demolition, mining, and trench work.
| No | Item | Data |
|---|---|---|
| 1 | Productt Name | Hydraulic rock hammer |
| 2 | Model | SB40 |
| 3 | Mode | SILENT/BOX |
| 4 | Operating Weight | 362KG |
| 5 | Chisel Diameter | 68mm |
| 6 | Oil Flow Mode | 40-70L/Min |
| 7 | Operating Pressure | 110-140KG/cm2 |
| 8 | Carrier Weight | 4.5-6Tons |
| 9 | colour | As Customer's Request |
| 10 | Warranty | 12 months |
| 11 | MOQ | 1 set |
| 12 | Certification | CE, ISO |
| 13 | Packaging Details | Standard Wooden Case |
Silent Casing Design: Lowers noise output for urban or residential job sites.
High Impact Energy: Breaks through hard rock and reinforced concrete with ease.
Heavy-Duty Structure: Reinforced body and wear-resistant materials extend service life.
Easy Maintenance: Simple structure and accessible components reduce downtime.
Wide Compatibility: Suitable for major excavator brands (Komatsu, CAT, Hitachi, Volvo, etc.)
The KM SB40 Silent Hydraulic Breaker is a high-performance rock hammer built for 4.5–6Ton excavators. Designed with a full box-type noise-reduction enclosure, the SB40 Hydraulic breaker for 4.5–6Ton excavatoris ideal for heavy-duty applications in mining, tunneling, quarrying, and demolition—especially in noise-sensitive areas. Its massive 68mm chisel and reinforced housing ensure maximum breaking power and durability, even under extreme conditions. The breaker features simplified internal design for easy servicing, long-lasting wear parts, and compatibility with major excavator brands such as CAT, Komatsu, Volvo, and Hyundai. The KM SB40 Soosan Hydraulic Breaker delivers a perfect balance of power, silence, and reliability in every strike.
1. What size excavator can use the SB40 hydraulic hammer for mining?
It is designed for 4.5–6Ton excavators, including CAT, Volvo , and Komatsu.
2. What is the chisel diameter of the SB40 jack hammer?
The SB40 uses a 68mm diameter tool for breaking rock, concrete, and asphalt.
3. What are the typical applications?
Mining, large-scale demolition, quarrying, foundation removal, tunnel excavation, and road construction.
4. Is the SB40 Silent type rock breaker for heavy excavators suitable for urban use?
Yes. Its silent-type enclosure significantly reduces noise and vibration, making it suitable for urban and residential zones.
5. Is support available for installation?
Yes. We offer installation manuals, video guides, and 1-on-1 online support from our technical team.
