Equipment Attachments

Mining excavator Hydraulic rock arm

The Enstruc® Hydraulic Rock Arm for large quarry and mining excavators are engineered for challenging rock breaking and excavation tasks, delivering exceptional excavator ripping power and precision.

Utilising advanced hydraulic technology, our high productivity excavator rock arms effortlessly penetrate materials such as salineland rock, shale, frozen soil, limestone, siltstone, and sandstone, ensuring superior performance and efficiency on mine sites.

Size options

Hydraulic rock arm for construction, quarry and mining excavators

Key Features

Suitable for 65 – 180t class excavators
Dedicated ripper shank hydraulic cylinder
Increased boom & arm weight for penetration
Built with lightweight, high strength steel
Shank is protected with HB500 wear plates
Equipped with HD shank guard protector
Includes large powerful stick cylinder
Replaceable forged dozer ripper tooth

Quick Contact

Enstruc Wear Solutions | Mining excavator hydraulic rock arm 0

Enstruc Wear Solutions | Mining excavator hydraulic rock arm 1

Enstruc Wear Solutions | Mining excavator hydraulic rock arm 2

Enstruc Wear Solutions | Mining excavator hydraulic rock arm 3

Specifications and sizes

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Category	Part Number	Machine Class		Cylinder	Penetration Depth		Weight
Category65	Part NumberHRA65	Machine Class143,300 - 167,551 lbs	65 - 76 tonne	CylinderDouble	Penetration Depth121 ''	3072 mm	Weight58422 lbs	26500 kg
Category70	Part NumberHRA70	Machine Class143,300 - 167,551 lbs	65 - 76 tonne	CylinderDouble	Penetration Depth121 ''	3072 mm	Weight61729 lbs	28000 kg
Category80	Part NumberHRA80	Machine Class169,755 - 211,643 lbs	76 - 96 tonne	CylinderDouble	Penetration Depth118 ''	3000 mm	Weight66800 lbs	30300 kg
Category100	Part NumberHRA100	Machine Class220,462 - 275,577 lbs	100 - 125 tonne	CylinderDouble	Penetration Depth124 ''	3150 mm	Weight79917 lbs	36250 kg
Category140	Part NumberHRA140	Machine Class308,647 - 396,832 lbs	140 - 180 tonne	CylinderDouble	Penetration Depth146 ''	3700 mm	Weight88295 lbs	40050 kg

Tailored products and wear solutions for productivity challenges

Enstruc specialises in custom engineered products designed to tackle heavy industry equipment productivity and wear challenges. Our buckets, attachments, ground engaging tools and protective wear systems are designed to withstand extreme conditions, significantly reducing downtime and maintenance costs. By customising products to specific operational needs, Enstruc enhances the efficiency and longevity of heavy machinery, ensuring that equipment performs optimally in the most demanding terrain. Whether it’s through advanced steels and wear-resistant materials or precision engineered designs, our products and wear solutions empower construction and mining operations around the globe to maximise productivity while minimising the impact of wear and tear.