Yantai Dopro Industry Technology Co., Ltd.
| Payment Terms | T/T, L/C, Western Union |
| Supply Ability | 100 Sets per Month |
| Delivery Time | 15-25 working days |
| Packaging Details | Export-grade plywood case with anti-rust coating and shock-proof foam |
| Impact Energy | 12,000-16,000 J |
| BPM | 200-350 |
| Chisel Diameter | 175 mm |
| Working Pressure | 160-180 Bar |
| Oil Flow | 250-320 L/min |
| Operating Weight | 3,780 kg |
| Suitable Excavator | 40-55 Ton |
| Mounting Type | Upper Mount |
| Nitrogen Charged | Yes |
| Brand Name | DOPRO |
| Model Number | SB121 |
| Place of Origin | Shandong, China |
| Certification | ISO 9001:2015, CE |
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Product Specification
| Payment Terms | T/T, L/C, Western Union | Supply Ability | 100 Sets per Month |
| Delivery Time | 15-25 working days | Packaging Details | Export-grade plywood case with anti-rust coating and shock-proof foam |
| Impact Energy | 12,000-16,000 J | BPM | 200-350 |
| Chisel Diameter | 175 mm | Working Pressure | 160-180 Bar |
| Oil Flow | 250-320 L/min | Operating Weight | 3,780 kg |
| Suitable Excavator | 40-55 Ton | Mounting Type | Upper Mount |
| Nitrogen Charged | Yes | Brand Name | DOPRO |
| Model Number | SB121 | Place of Origin | Shandong, China |
| Certification | ISO 9001:2015, CE | ||
| High Light | 175mm Chisel Rock Breaker ，Top Type Hydraulic Hammer SB121 ，40-55 Ton Excavator Breaker | ||
The SB121 Top Type Hydraulic Rock Breaker is engineered for the most demanding mining and heavy demolition applications. Designed for 40-55 ton excavators, this breaker delivers exceptional impact energy of 12,000-16,000 Joules at a striking frequency of 200-350 BPM, making it ideal for primary rock breaking in quarries and mining operations.
| Impact Energy | 12,000-16,000 J |
| Blows Per Minute | 200-350 BPM |
| Chisel Diameter | 175 mm |
| Working Pressure | 160-180 Bar |
| Oil Flow | 250-320 L/min |
| Operating Weight | 3,780 kg |
| Suitable Excavator | 40-55 Ton |
| Mounting Type | Top Type |
Widely used in hard rock mining, quarry stone breaking, reinforced concrete demolition, road and tunnel construction, and foundation excavation projects. Effectively breaks granite, basalt, limestone, and ultra-hard concrete structures.
Main body cylinder forged from 42CrMoA alloy steel with integral quenching and tempering treatment. Piston precision-honed for tight tolerance. Automatic lubrication system reduces maintenance downtime. Nitrogen gas-charged accumulator stabilizes hydraulic pulse for consistent impact delivery.
Front head assembly features replaceable inner and outer bushings. Hardened chisel pin and retaining system ensures secure tool retention under extreme loads. Complete spare parts availability including seal kits, pistons, bushes, and chisels.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2010
Total Annual:
10000000-50000000
Employee Number:
080~100
Ecer Certification：
Active Member
DOPRO is a professional manufacturer of Hydraulic Breaker for more than 15 years, we are leading manufacturer in china domestic market for breaker spare part and whole breaker production ,meanwhile we get more production line for excavator attachments . Until now ,we get three factory and one expo... DOPRO is a professional manufacturer of Hydraulic Breaker for more than 15 years, we are leading manufacturer in china domestic market for breaker spare part and whole breaker production ,meanwhile we get more production line for excavator attachments . Until now ,we get three factory and one expo...
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