

A rotary drum cutter is a hydraulic attachment installed on excavators. It mainly uses a high-speed rotating cutting drum to mill, excavate, and crush materials such as rock, concrete, frozen soil, and asphalt. Compared with traditional hydraulic breakers, the rotary drum cutter has advantages such as lower vibration, lower noise, higher working precision, and more stable construction efficiency. Today, this equipment is widely used in tunnel engineering, municipal construction, mining, trench excavation, road milling, and demolition projects. As modern construction projects require better environmental protection, higher precision, and improved efficiency, the rotary drum cutter has become one of the most important excavator attachments in many engineering industries. If you want to know more details, welcome to contact YG anytime.
Parameters of the Rotary Drum Cutter
| Product Model | HX-X1 | HX-X2 | HX-Z1 | HX-Z2 | HX-D |
| Applicable Models | 6-9T | 10-18T | 20-27T | 30-40T | 45-60T |
| Machine Weight | 450kg | 550kg | 1100kg | 1250kg | 2450kg |
| Milling Width | 420mm | 650mm | 850mm | 950mm | 1150mm |
| Milling Head Diameter | 340mm | 450mm | 560mm | 660mm | 850mm |
| Number of Blade Heads | 40 | 56 | 64 | 64 | 60 |
| Recommended Speed | 95r/min | 85r/min | 78r/min | 75r/min | 55r/min |
| Recommended Flow Rate | 80L/min | 120L/min | 220L/min | 320L/min | 360L/min |
| Maximum Pressure | 35Mpa | 35Mpa | 35Mpa | 35Mpa | 35Mpa |
| Maximum Torque | 4700NM | 7000NM | 14300NM | 23300NM | 40300NM |


5 Working Steps of YG Rotary Drum Cutter
- Start the Hydraulic System: After the excavator starts, the hydraulic system provides stable hydraulic power to the machine for continuous operation.
- Adjust the Working Position: The operator controls the excavator to move the equipment to the correct working area and adjusts the cutting angle and depth.
- High-Speed Drum Rotation: The hydraulic motor drives the cutting drum to rotate at high speed. The cutting teeth on the drum continuously cut rock, concrete, or road surfaces. A high-quality hydraulic drum cutter can maintain stable rotation even under heavy working conditions.
- Continuous Milling Operation: The equipment continuously mills, crushes, and excavates the material while automatically discharging broken debris to improve efficiency.
- Finish the Work and Stop: After construction is complete, the operator shuts down the hydraulic system, checks the equipment’s condition, and performs routine maintenance.
8 Advantages of Drum Cutter Attachment
- Lower Vibration: Compared with traditional breakers, the rotary drum cutter produces much less vibration during operation and has less impact on nearby buildings.
- Lower Noise: The equipment works with lower noise, making it more suitable for urban construction, tunnels, and environmentally sensitive areas.
- Higher Construction Precision: The machine can accurately control cutting depth and working range, making it ideal for precise construction work.
- Suitable for Complex Working Conditions: Whether working on rock, frozen soil, concrete, or asphalt pavement, the equipment can operate stably.
- Lower Labour Costs: Mechanical continuous construction reduces manual labour and improves overall project efficiency.
- Stable Working Efficiency: The equipment can work continuously for long periods, especially in high-intensity construction environments.
- Less Dust During Operation: Compared with blasting and traditional crushing methods, dust generated during construction is easier to control.
- Compatible with Different Excavators: Different models can match small, medium, and large excavators, giving the equipment a wide application range.


7 Applications of Hydraulic Drum Cutter
- Tunnel Engineering: Widely used for tunnel profile trimming, tunnel excavation, and concrete surface treatment.
- Municipal Pipeline Construction: Suitable for underground pipeline trench excavation and road repair projects.
- Mining Industry: Used for soft rock mining, slope trimming, and mine road construction.
- Asphalt Road Milling: Can quickly remove old asphalt surfaces before road resurfacing work.
- Frozen Soil Excavation: Effectively handles frozen soil excavation in cold areas.
- Water Conservancy Projects: Suitable for river channel repair, canal construction, and concrete structure removal.
- Building Demolition: Can be used to demolish concrete walls, foundations, and reinforced concrete structures.
A professional drum cutter attachment is especially useful for projects requiring accurate cutting and controlled excavation.
Why Are More Excavators Equipped with Rotary Drum Cutters?
- One Excavator Can Handle More Jobs: After installing a rotary drum cutter, the excavator can perform excavation, rock cutting, concrete crushing, trench trimming, and road milling, greatly improving equipment utilisation.
- Better for Precision Construction: Compared with traditional breakers, the equipment provides more accurate depth and range control, making it suitable for tunnels, municipal pipelines, and underground projects.
- Lower Noise and Vibration: Modern urban construction has strict environmental requirements. The machine reduces vibration and noise, minimising impact on nearby residents and structures.
- Stronger Ability in Complex Conditions: Whether dealing with rock, frozen soil, asphalt, or reinforced concrete, the machine can work stably even in narrow spaces or non-blasting construction environments. A powerful hydraulic drum cutter is particularly suitable for difficult construction conditions.
- Lower Labour and Construction Costs: The equipment supports continuous operation, reduces manual work, and lowers later repair and maintenance costs.
- Replacing Traditional Construction Methods: Many projects are gradually reducing blasting and manual crushing work. The rotary drum cutter provides safer, cleaner, and more efficient mechanical construction.
- Ability to Take More Engineering Projects: Excavators equipped with this machine can adapt to tunnel projects, municipal engineering, mining work, and road repair projects, helping contractors improve profitability.


How to Choose the Right Drum Cutter Attachment for Excavator
- Choose According to the Excavator Size: Different excavator tonnages require matching equipment models to ensure stable operation and good working efficiency.
- Choose According to the Working Material: Different hardness levels of rock, concrete, and frozen soil require different cutting drums and teeth.
- Check Hydraulic System Matching: Hydraulic flow and pressure must match the excavator parameters.
- Choose Wear-Resistant Materials: High-quality cutting teeth and wear-resistant steel can greatly improve service life.
- Consider Customized Functions: Some projects may require customised drum width, cutting tooth types, or special configurations.
Many buyers searching for a reliable drum cutter attachment for excavator will pay close attention to these factors.
7 FAQs about YG Rotary Drum Cutter
A: It is suitable for rock, concrete, asphalt, frozen soil, and soft rock construction.
A: The rotary drum cutter creates lower vibration and lower noise while offering higher working precision.
A: Yes. Because of its low vibration and low noise, it is widely used in city subways, municipal, and underground projects.
A: YG high-quality machines use wear-resistant materials. With proper maintenance, they can work for a very long time.
A: Yes. Manufacturers can customise drum width, cutting tooth type, and hydraulic configuration based on project requirements.
A: No. Installation is relatively simple and usually completed by connecting the bracket and hydraulic pipelines.
A: Yes. YG Machinery usually provide installation guidance, technical training, spare parts supply, and remote technical support.
