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Excavator Mounted Rock Breaker Top Type SK40

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Excavator Mounted Rock Breaker Top Type SK40

Product Description

Excavator Mounted Rock Breaker – Top Type SK40

The SK40 top-type hydraulic rock breaker is engineered for 4–8 ton excavators, delivering reliable performance in concrete demolition, rock excavation, and road construction. Built with a reinforced alloy steel housing, this attachment ensures long service life under heavy-duty conditions.

Key SEO-friendly highlights:

  • Excavator rock breaker SK40 – optimized impact energy for fast breaking

  • Top type design – simplifies maintenance and protects internal components

  • Low-noise operation – ideal for urban and residential job sites

  • Universal fit – compatible with major excavator brands (Komatsu, Hitachi, Caterpillar, Kobelco)

  • Quick tool change – accepts moil, chisel, and blunt tools for versatile applications

 

     Specification
     Items      Unit      SK40
     Operating Weight      kg      321
     lbs      706
     Suitable Excavator      ton      4~7
     Impact Energy Class      ft/lbs      750
     Impact Rate      bpm      500~900
     Required Oil Flow      gpm     0.5~23.8
     Setting Pressure      bar      170
     psi      2418
     Operating Pressure      bar      90~120
     psi      1564~1990
     Tool(Chisel) Diameter      in.       2.7
     mm       68
     Hose Diameter      in.       1/2

 

 

     Carrier
     Brand     Model
     DOOSAN / DAEWOO      DX50 / DX55 / DX60
     HYUNDAI      R45 / R50 / R55
     VOLVO      EC35 / EC38 / EC45/EC55 / ECR58 / EW60
     CATERPILLAR      304 / 304.5 / 305/305.5 / 307
     KOMATSU      PC40 / PC45 / PC55/PC60
     HITACHI      PC40 / PC45 / PC55/PC60
     KOBELCO     SK45 / SK50 / SK55
     CASE     CX40 / CX50
     NEW HOLAND      E40 / E50
     JCB      3CX / 3CD / 4CX/8040 / 8045 / 8052  / 8060
     KUBOTA / HIDROMEK      U-30 / KX161-3
     YANMAR / SUMITOMO      VIO30 / VIO35 / VIO55
     BOBCAT / JOHN DEERE      50D / 60D/JD315 / JD410
     IHI / LIEBHERR      AICHI D600 /30NX2 / 35NX2

Whether you’re a contractor or equipment dealer, the SK40 rock breaker delivers a cost-effective solution with low maintenance costs and high productivity.

OEM inquiries welcome – contact us for competitive factory pricing and global shipping.

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About Yantai Rocka

Yantai Rocka is a professional manufacturer and exporter of high-quality excavator attachments, with years of experience in the construction machinery industry. Our product range encompasses hydraulic rock breakers, post drivers, hydraulic compactors, grapples, demolition shears, and various other models. We have established a strong international presence, with our products being exported to the United States, Australia, European countries, Southeast Asia, the Middle East, and other global markets. The company welcomes OEM and ODM inquiries and provides fully customized solutions to meet specific client requirements, including custom branding, color options, packaging design, and tailored mounting configurations for different excavator brands.

Committed to quality assurance and continuous innovation, Yantai Rocka ensures that every product undergoes rigorous testing before delivery. We pride ourselves on offering reliable performance, competitive pricing, and responsive after-sales support to customers worldwide.

 

 

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