

The Excavator Rock Saw, also known as an excavator rock saw, is a professional hard rock cutting device driven by the excavator’s hydraulic system and mounted on the front end of the excavator. It mainly consists of a diamond saw blade, hydraulic motor, saw arm, protective cover, and connecting base. It directly fits excavators of all tonnages. Furthermore, it allows fast installation and commissioning through quick-change interfaces, thus enabling linear and precise cutting of hard materials including rock, concrete and asphalt. In comparison with traditional stationary rock cutters, the excavator rock saw features outstanding advantages in mobility, working adaptability and cutting efficiency. It eliminates the need for complex work platforms, allowing operation in confined spaces. It is the most cost-effective core category of excavator rock cutters available for sale and an indispensable hydraulic excavator rock saw accessory in various construction projects. For product details and specific pricing, please contact us.
YG Excavator Rock Saw Parameter
| Model | YG-CF1 | YG-CF2 | YG-CF3 | YG-CF4 |
| Suitable for excavators | 2~4T | 6~9T | 10~18T | 20~30T |
| Saw Disc Diameter | 0.4~0.8M | 1.2~1.6M | 1.8~2.2M | 2~2.8M |
| Cutting width | 5mm | 9mm | 14mm | 20mm |
| Cutting depth | ≤400mm | ≤800mm | ≤1100mm | ≤1400mm |
| Pressure | 30Mpa | 30Mpa | 30Mpa | 30Mpa |
| Flow | 30L/min | 80L/min | 120L/min | 190L/min |


Working Principle of the Excavator Rock Saw
The core working principle of the excavator rock saw combines hydraulic transmission with diamond cutting technology, requiring no external power source and offering simple operation and stable power.
First, the rock saw is mounted on the excavator’s front actuator via a rigid or quick-connect interface and connected to the hydraulic lines, ensuring high efficiency and compatibility with mainstream excavator models.
Second, the operator operates the hydraulic valve switch in the cab, and high-pressure hydraulic oil drives the hydraulic motor to rotate at high speed, causing the diamond saw blade to operate stably at 800-1200 rpm.
Finally, the ultra-hard diamond cutting head on the saw blade edge continuously grinds and cuts hard rock under around 200 MPa pressure. Meanwhile, the wet cooling system sprays water to achieve effective cooling and dust suppression. After the operation, the hydraulic oil returns, and the saw blade stops rotating. Reputable manufacturers optimize the matching between the hydraulic motor and the saw blade, reducing energy consumption and improving accuracy and efficiency; products from YG are recommended.


Key Features and Advantages of the Excavator Rock Saw
1. High Efficiency and Energy Saving
Compared to traditional pneumatic drilling rigs, the excavator rock cutter increases efficiency by over 150%, cutting over 30 meters of hard rock daily. It can easily cut granite and basalt with a Mohs hardness of 7 or higher, requiring no secondary trimming. Hydraulically driven by the excavator, its energy consumption is only 50% of traditional stationary cutters. Some models are equipped with path planning algorithms, further improving operational efficiency.
2. Precise and Controllable Cutting
Cutting accuracy reaches within ±2 cm, with spindle radial runout ≤0.01 mm. It allows for precise control of cutting depth, angle, and range, solving problems such as over-digging, under-digging, and uneven cutting. Suitable for high-precision scenarios such as tunnels and stone quarrying, increasing raw stone production by over 30%.
3. High Performance, Environmental Protection, and Safety
No-fire operation, low vibration and noise (≤85 decibels), no risk of flying rocks or collapse, no need for blasting permits, and can be used in sensitive areas. Wet cooling and water mist dust suppression reduce dust emissions by over 80%, with PM10 levels below 42 micrograms per cubic meter, ensuring a safe working environment and protecting personnel’s health.
4. High Adaptability and Durability
Compatible with various excavators ranging from 5 to 50 tons, the quick-change interface allows for rapid switching and multi-purpose use. The saw disc base is made of high-strength wear-resistant steel, paired with a new type of diamond saw blade, boasting a service life of 1200 hours, 50% longer than ordinary alloy saw blades. It allows for high-intensity operation and reduces maintenance costs by 30%-40%.


Applications of Excavator Rock Saws
1. Mining Industry
In open-pit mines and quarries, excavator rock cutters can precisely cut hard stones such as granite, marble, and quartzite, cutting large blocks of ore into sizes suitable for transportation and processing. This significantly improves mining efficiency and the output of usable stone.
2. Tunnel and Infrastructure Sector
In non-blasting excavation projects like high-speed railway and highway tunnels, excavator rock cutters can precisely cut tunnel faces and optimize tunnel profiles. Furthermore, they minimize disturbance to surrounding rock, thereby fully satisfying the core requirements of low disturbance and high precision in tunnel construction. In municipal road reconstruction and pipeline laying, it can cut asphalt pavements and rock strata, excavate construction trenches, and adapt to the confined working spaces of urban areas.
3. Building Demolition Sector
It can precisely cut reinforced concrete components, achieving directional and refined demolition, avoiding damage to the preserved structure.
4. Water Conservancy Engineering Sector
It can be used for rock excavation and slope trimming in dams and canals, and can even complete underwater cutting operations.
5. Emergency Rescue Sector
It can quickly cut through collapsed concrete and rock obstacles to create rescue channels, buying precious time for saving lives.
Choose the right rock saw, starting with YG, the manufacturer
Selecting an Excavator Rock Saw essentially involves balancing performance, adaptability, and cost. YG, as a professional manufacturer, offers a full range of hydraulic excavator rock saw attachments covering all scenarios, from small single-disc saws to ultra-heavy-duty disc saws. All are made with high-quality materials, offer stable performance, and comprehensive after-sales service, providing customers with cost-effective options. Furthermore, this equipment can be designed and installed to complement your other equipment; products can be customized to your specific needs. Contact us for more information about our machines.

