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Yantai Rocka SK141 Series Large Hydraulic Breaker: Redefining Productivity in Mining & Heavy Construction

Responding to the pressing industry demand for highly efficient and durable breaking equipment in mining and large-scale infrastructure projects, Yantai Rocka proudly introduces the SK141 Series Large Hydraulic Breaker. This series redefines the standard for high-productivity rock breaking with its unparalleled impact energy transfer efficiency and rugged design engineered for extreme operating conditions.

The Rocka SK141 is built for 35-45 ton excavators, delivering an exceptional impact energy of up to 10,000 ft/lbs and featuring a robust 6.5-inch tool diameter. It is the specialist choice for demanding mining and large-scale demolition applications.

Product Show

Specification Unit SK81 SK100 SK121 SK131 SK141 SK151
Suitable Excavator ton 18~26 25~30 28~35 30~45 35~45 40~55
Operating Weight kg 1978 2279 2896 3117 3399 4390
Impact Energy Class ft/lbs 5000 6000 7500 8500 10000 12000
Impact Rate bpm 350~500 300~450 300~450 250~400 250~350 250~350
Required Oil Flow gal/min 31.7~47.6 39.6~55.5 47.6~63.4 50.8~68.7 50.8~68.7 55.5~76.7
Setting Pressure bar 210 210 210 210 210 210
psi 2987 2987 2987 2987 2987 2987
Operating Pressure bar 160~180 160~180 160~180 160~180 160~180 160~180
psi 2276~2560 2276~2560 2276~2560 2276~2560 2276~2560 2276~2560
Hose Diameter in. 1 1
Tool(Chisel) Diameter in. 5.5 5.9 6.1 6.5 6.5 7.0
mm 140 150 155 165 165 165

Engineered for Excellence:

  • Peak Performance | Higher Impact, Less Downtime
    Maximize output with superior impact energy, ensuring faster cycle times and significantly reduced operational pauses.

  • Unmatched Durability | Reinforced Critical Components
    Key structural parts are specially fortified, drastically extending service life and lowering your total cost of ownership.

  • Intelligent Compatibility | Full Auto-Hydraulic Matching
    Advanced system automatically optimizes hydraulic synchronization with your carrier, protecting the host machine while unlocking 100% of the breaker’s potential.

  • Built for the Challenge | Designed for the Most Severe Applications
    From hard rock quarries to massive concrete demolition, the SK141 is purpose-built to excel where others falter.

  • * Every hydraulic breaker with 1 set gas-charging kit with nitrogen bottle, 2 pcs hydraulic hose, 1 set tools with toolbox, 2 piece chise
  • * From SK20~ SK43 model warranty for 2 years, without wear and tear parts.
  • * From SK45~ SK170 mode warranty for 1 year ,without wear and tear parts.Rocka is a professional manufacturer specializing in excavator attachments. Our product range includes hydraulic rock breakers, post drivers for excavators, hydraulic grapples, quick hitches, hydraulic compactors, and a variety of accessories and spare parts for all models.

    Our products are consistently exported to overseas markets such as the United States, Australia, and Mexico, and we offer customized solutions based on customer designs.

    For inquiries or collaborations, please feel free to contact us. We look forward to hearing from you.

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