Excavator Rock Box Breaker SK40S

Specializing in high-quality attachments like the ROCKA hydraulic breaker, quick hitch coupler, vibratory plate compactor, ripper, and hydraulic post drivers, Rocka offers products engineered for durability and performance.

Commodity name： Excavator Rock Box Breaker SK40S

Category:

Silence Type Hydraulic Breaker

E-mail:

info@rockageattachments.com

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Product Description

Suitable Excavator	ton	4~7
Operating Weight	kg	325
Impact Energy Class	ft/lbs	750
Impact Rate	bpm	500~900
Required Oil Flow	l/mim	40~70
Setting Pressure	bar	170
Setting Pressure	psi	2418
Operating Pressure	bar	90~120
Operating Pressure	psi	1564~1990
Hose Diameter	in.	1/2
Tool(Chisel) Diameter	in.	2.7
Tool(Chisel) Diameter	mm	68

Rocka Excavator Rock Box Breaker SK40S – Heavy-Duty Performance with Urban-Friendy Operation

Engineered for 4–7-ton excavators, the Rocka SK40S delivers reliable, high-impact performance across a wide range of demanding applications—from confined urban demolition sites to rugged mining environments. Leveraging Rocka’s advanced silence technology, this model operates up to 45dB quieter than conventional hydraulic breakers, significantly reducing noise pollution and enabling extended working hours in noise-sensitive zones.

Built for long-term durability, the SK40S features a high-grade steel housing and a field-serviceable construction, allowing for faster maintenance and reduced downtime on site. The unit is CE-certified and backed by a 3-year warranty, offering both compliance and long-term peace of mind.

Designed for seamless integration, the SK40S is compatible with all major excavator brands and includes an optional auto-greasing system to simplify routine maintenance and extend component life. Whether handling foundation demolition, trench rock breaking, or selective interior dismantling, this breaker delivers a balanced combination of power, quiet operation, and serviceability—making it the preferred choice for contractors who need to work efficiently without disrupting surrounding environments.

We are Chinese manufacturer, and offerring OEM, ODM service. Products: Hydraulic rock breaker, hydraulic post drivers. hydraulic grapple , hydraulic compactor, quick hitch coupler, and other machines. We have been exporting to over ten countries including the United States, Australia, Canada, and Mexico etc. for many years, and are currently seeking partners worldwide.Welcome to inquire!

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