Hydraulic demolition shears are high-performance hydraulic attachments engineered exclusively for excavators, serving as indispensable core equipment in modern demolition, renovation, and construction recycling projects. This robust mechanical tool converts hydraulic power from the excavator’s main system into powerful cutting and crushing force, replacing traditional inefficient manual breaking and bulky crushing equipment. An excavator demolition shear is designed to mount seamlessly on most standard excavator models, ranging from mini compact machines to large heavy-duty construction excavators, delivering precise, high-strength material breaking capabilities for diverse job site demands. Built with high-strength alloy steel and precision hydraulic transmission systems, these shears adapt to harsh construction environments while maintaining stable long-term operation.
Hydraulic Demolition Shears Specifications
| Model | YG50R | YG100R | YG130R | YG180R | YG310R | YG410R |
| Forearm mounted model | 6-9T | 10-12T | 13-17T | 18-27T | 28-39T | 39-50T |
| Large arm installation model | 4-6T | 7-10T | 8-12T | 14-18T | 20-28T | 28-39T |
| Work pressure | 35Mpa | 35Mpa | 35Mpa | 35Mpa | 35Mpa | 35Mpa |
| Overall length | 2000mm | 2200mm | 2300mm | 2900mm | 3500mm | 3900mm |
| Overall weight | 650KG | 1100KG | 1220KG | 2100KG | 3300KG | 4700KG |
| Maximum opening | 290mm | 375mm | 375mm | 445mm | 565mm | 670mm |
| Throat depth | 290mm | 395mm | 395mm | 525mm | 630mm | 720mm |
| Front-end crushing force | 46T | 60T | 60T | 85T | 135T | 172T |
| Central crushing force | 115KN | 150KN | 150KN | 221KN | 351KN | 464KN |
Working Principle of Excavator Demolition Shear
The operation of this cutting system relies on a synchronized dual-cylinder hydraulic circuit that channels consistent, high-pressure oil flow from the host excavator’s main hydraulic system directly to the shear jaw assembly. When the operator activates the control lever from the excavator cabin, the hydraulic cylinders extend to close the high-tensile steel jaws, generating concentrated cutting force that travels evenly across the full length of the replaceable cutting blades. Many modern units are fitted with an integrated speed-up valve that shortens jaw opening and closing cycle times, reducing idle periods between cuts and boosting overall work output by a noticeable margin. For models of the hydraulic demolition shears with full 360-degree rotation capability, the operator can adjust the jaw angle remotely without repositioning the entire excavator, which makes it far easier to line up precise cuts on irregularly shaped materials or in confined work areas.
Compatible Processing Materials of the Hydraulic Shear Attachment
The hydraulic demolition shears are engineered to handle a wide range of rigid, high-strength materials that are common across construction and scrap yards.
The excavator demolition shear attachment can easily shear through rebar, embedded steel mesh, and thick steel profiles found inside reinforced concrete structures, separating metal from concrete debris in a single continuous motion.
It also delivers reliable cutting performance on I-beams, steel pipes, vehicle chassis, thick steel plates, and heavy industrial scrap, eliminating the need for secondary processing before materials are transported for recycling.
The hardened, abrasion-resistant blades can be resharpened or swapped out on site to match different material hardness levels, ensuring consistent cutting performance even during long, uninterrupted shifts.
7 Advantages of Excavator Metal Shear Attachment
- Dual hydraulic cylinder design delivers perfectly balanced cutting force across the entire jaw length, eliminating partial cuts even on full-length thick steel profiles.
- Main body structure is fabricated from high-strength wear-resistant steel plate, which resists deformation and cracking even after thousands of hours of continuous high-load operation.
- Integrated speed-up valve drastically shortens jaw cycle time, allowing operators to complete more cuts per hour compared to standard non-upgraded shear units.
- The hydraulic demolition shears can be equipped with a 360-degree free rotation function, letting operators align the jaw at any required angle, making it simple to access tight corners and awkwardly positioned materials without moving the excavator.
- Blades are manufactured from premium quenched and tempered alloy steel, offering exceptional abrasion resistance and long service life even when processing highly abrasive scrap materials.
- Bolt-on, interchangeable jaw teeth can be replaced individually when worn, rather than requiring full jaw replacement to cut down maintenance costs.
- Compatible with a wide range of excavator carriers, with custom mounting brackets available to match different excavator brand hitch systems.
Practical Application Field Scenarios of the Excavator Shear Attachment
This excavator demolition shear fits seamlessly into a wide variety of working environments across multiple industries.
In building demolition projects, it efficiently separates rebar from concrete debris, cuts through structural steel beams, and speeds up the dismantling of multi-story concrete and steel structures far faster than manual breaking methods.
In scrap recycling yards, it processes end-of-life vehicle chassis, large scrap metal bales, and leftover industrial equipment into manageable sizes that are easy to stack, transport, and feed into metal shredders.
It also performs reliably in controlled dismantling projects for old industrial facilities, bridge renovation works, and emergency rescue operations where heavy structural obstacles need to be cut away quickly and safely.
Why Choose Our Hydraulic Demolition Shear Attachment?
In the fiercely competitive construction machinery accessory market, our hydraulic demolition shears have won wide recognition from global customers with reliable quality, mature technology and professional after-sales service.
First, we adhere to high-standard raw material selection and precision processing technology, every excavator demolition shear has undergone strict factory pressure testing and quality inspection, with stable quality and long service life.
Second, we support customized processing of equipment parameters and appearance according to customer needs, meeting personalized construction demands of different regions and projects.
Third, we provide one-stop services including equipment selection guidance, installation debugging, operation guidance, and after-sales maintenance, allowing customers to use the equipment without worries.
In addition, with reasonable prices and high cost performance, our products help construction enterprises reduce costs and improve efficiency in long-term project operations.
