Specifications
Delivery :
1-7 Days
Model Number :
SB121
Oem :
Acceptable
Supply Ability :
1000pcs/month
After Warranty Service :
Video technical support, Online support
Payment Terms :
L/C,D/A,D/P,T/T,Western Union
Warranty :
12 months
Applications :
Demolition, quarrying, trenching
Delivery Time :
1-7 days
Origin :
CHINA
Place of Origin :
China
Fit :
Construction Machinery Parts
Color :
Yellow Can be customized
Price :
Negotiable
Packaging Details :
Export wooden box
Applicable Industries :
Construction
MOQ :
1
Core Components :
Pressure vessel, mainbody
Productname :
SB121 Excavator Hydraulic Breaker
Brand Name :
MSGB
Description

Premium SB121 triangle hydraulic breaker, 155mm heavy-duty SB121 excavator rock breaker hammer for 20-30 ton machines. Reinforced side type hydraulic breaker with nitrogen accumulator, easy maintenance, high impact energy, perfect for mining quarry and heavy demolition.

Competitive Advantages
Advantage Our SB121 Triangle Breaker Ordinary Side-Type Breaker
Frame Strength Reinforced triangular steel, FEA optimized Ordinary flat plate, easy to deform
Lateral Resistance 40% higher Standard
Impact Efficiency Hydraulic-gas combined, 30% higher Pure hydraulic, low efficiency
Heat Dissipation Excellent open structure Poor, easy to overheat
Service Life 7000+ working hours 3000–4000 working hours
Maintenance Side open, 30% faster maintenance Difficult disassembly
Cost Performance 60% of OEM price Low price but short service life
Applications
  • Mining: Open-pit hard rock breaking, secondary ore crushing
  • Quarrying: Granite, basalt, limestone extraction and sizing
  • Heavy Demolition: Reinforced concrete building demolition, bridge dismantling
  • Road Construction: Asphalt and concrete pavement breaking, foundation excavation
  • Tunnel Engineering: Tunnel face rock breaking, tunnel expansion
  • Port & Water Conservancy: Breakwater construction, rock excavation for water projects
Manufacturing Process
  • Frame Fabrication: CNC cutting of thick Q345B steel plates, automatic submerged arc welding of triangular side plates, post-weld stress relief treatment.
  • NDT Inspection: 100% ultrasonic flaw detection for welding seams to ensure no cracks or defects.
  • Cylinder Forging: High-strength alloy steel billet forged by 3500-ton hydraulic press to form cylinder blanks.
  • Precision Machining: Deep hole boring, honing and grinding to achieve high-precision inner dimensions.
  • Heat Treatment: Quenching and tempering of cylinder and piston for optimal hardness and toughness.
  • Seal Assembly: Installation of imported high-performance seals, piston and accumulator components.
  • Complete Assembly: Assembly of frame, cylinder, chisel and hydraulic pipeline components.
  • Full-Load Testing: 100% 4-hour continuous full-load impact test to ensure stable performance.
FAQ

Q1: Which excavators is this SB121 triangle breaker compatible with?

A1: This SB121 triangle hydraulic breaker is designed for 20–30 ton class excavators. It is a heavy-duty SB121 excavator rock breaker hammer, high-performance 155mm side type hydraulic breaker, rugged SB121 triangular demolition breaker, versatile SB121 excavator breaker attachment, efficient hydraulic rock breaker for 20-30 ton excavator and reliable OEM SB121 breaker assembly, compatible with CAT, Komatsu, Hitachi, SANY, XCMG and other mainstream brands.

Q2: What is the difference between triangle type and box-type breakers?

A2: Triangle type breakers have an open frame with easy maintenance, better heat dissipation and lower cost, ideal for open-air mining, quarrying and road construction. Box-type breakers are fully enclosed with lower noise and better dust protection, suitable for urban areas and heavy mining. Our SB121 triangular demolition breaker balances performance and cost for medium-to-heavy outdoor applications.

Q3: What chisel types are available for this breaker?

A3: We offer multiple chisel options for this 155mm side type hydraulic breaker: pointed chisel for hard rock, flat chisel for concrete and asphalt, blunt chisel for secondary crushing, and moil point chisel for general purpose. All chisels are made of 42CrMo alloy steel with four-sided forging and deep induction hardening.

Q4: Is installation complicated? Do you provide guidance?

A4: Installation is straightforward with standard excavator hydraulic lines. We provide detailed installation manuals, video guidance and 24/7 online technical support. We can also customize the mounting bracket to match your exact excavator model.

Q5: What is your warranty and after-sales policy?

A5: We offer 12-month warranty for the main machine and 6-month warranty for wearing parts (chisels, seals, etc.). If there is a quality problem within the warranty period, we provide free replacement parts and technical solutions. We also supply all spare parts for long-term after-sales support.

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SB121 Digger Hydraulic Breaker 155mm Side Type Rock Breaker for 20-30 Ton Excavator

Ask Latest Price
Delivery :
1-7 Days
Model Number :
SB121
Oem :
Acceptable
Supply Ability :
1000pcs/month
After Warranty Service :
Video technical support, Online support
Payment Terms :
L/C,D/A,D/P,T/T,Western Union
Contact Supplier
SB121 Digger Hydraulic Breaker   155mm Side Type Rock Breaker for 20-30 Ton Excavator
SB121 Digger Hydraulic Breaker   155mm Side Type Rock Breaker for 20-30 Ton Excavator
SB121 Digger Hydraulic Breaker   155mm Side Type Rock Breaker for 20-30 Ton Excavator

Guangzhou Liantuo Machinery Trading Company

Verified Supplier
1 Years
guangdong, guangzhou
Since 2008
Business Type :
Manufacturer
Total Annual :
20000000-25000000
Employee Number :
90~100
Certification Level :
Verified Supplier
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