A drum cutter machine is a hydraulic excavator attachment built specifically for controlled layered milling, contour trimming and surface shaping operations. It fills the gap between brute-force breakers and large dedicated milling machines, combining the mobility of an excavator with the precision of professional milling equipment. Its core applications cover tunnel contour trimming, asphalt pavement partial milling, precise trench excavation and soft rock layered stripping, especially for projects with strict surrounding structure protection requirements and limited working space. Unlike impact breaking tools that cause widespread vibration and uneven surfaces, this hydraulic drum cutter removes material steadily through rotary cutting, leaving a smooth, controllable finished profile.
Drum Cutter Machine Technical Parameters:
| Model | YG140 | YG160 | YG180 | YG240 |
| H | 650mm | 820mm | 830mm | 1395mm |
| W | 410mm | 650mm | 780mm | 960mm |
| D | 390mm | 460mm | 480mm | 620mm |
| Excavator weight | 5~10T | 10~15T | 15~21T | 20~24T |
| Max power | 22Kw | 45Kw | 55Kw | 65Kw |
| Speed | 0~120r/min | 0~100r/min | 0~80r/min | 0~90r/min |
| Flow | 40L/min | 100~110L/min | 130~180r/min | 200~250r/min |
| Max Torque | 3200N.m | 5400N.m | 5600N.m | 12800N.m |
Advantages of Drum Cutter Machine
1. Millimeter-Accurate Tunnel Contour Trimming With Zero Surrounding Disturbance
For tunnel construction, traditional blasting often causes excessive over-excavation, which requires massive backfilling and raises project cost. Hydraulic breakers bring strong vibration that may damage the initial support lining. This excavator milling head solves both pain points.
It trims tunnel wall contours precisely after blasting, removes under-excavated parts and shapes the tunnel profile strictly according to design dimensions. The low-vibration cutting process will not cause large-area disturbance to surrounding rock and existing support structures, which greatly reduces the risk of lining cracking and surrounding rock loosening. Other excavation methods cannot match this precision performance for tunnel expansion and renovation projects requiring partial preservation of the original structure.
2. Flexible Partial Asphalt Milling For Road Maintenance
Large road milling machines work efficiently for full-width pavement projects, but perform poorly for scattered local disease treatment and narrow working areas. This excavator-mounted attachment perfectly makes up for this deficiency.
It handles partial asphalt pavement milling, road marking removal, bridge deck pavement stripping and manhole surrounding trimming efficiently. Following the excavator, it can transfer between scattered municipal road maintenance sites quickly, without the need for large equipment transfer and site closure. For urban road maintenance projects that require partial construction while keeping traffic partially open, its flexible operation and controllable milling range greatly reduce the impact on normal traffic.
3. Multi-Scene Adaptability Improves Equipment Utilization
Beyond the two core scenarios of tunnel profiling and road milling, the hydraulic drum cutter also adapts to a wide range of other construction tasks. It completes precise trench excavation for municipal pipelines, frozen soil excavation, soft rock layered stripping and steel slag cleaning in metallurgical plants. One excavator can switch between multiple construction tasks by replacing different attachments, which maximizes the utilization rate of the host equipment and reduces the input cost of additional machinery.
4. Modular Design Simplifies On-Site Maintenance
All cutting picks adopt an independent quick-disassembly structure. When individual picks wear out during construction, maintenance personnel can replace the damaged parts directly on site without disassembling the entire milling drum. This design greatly shortens equipment downtime on busy construction sites. The modular structure also reduces the pressure of spare parts inventory, and only wearing parts need to be stocked for long-term operation. The spiral arrangement angle of picks can be adjusted between 45° and 85° according to rock hardness and working conditions, to maintain optimal cutting efficiency under different materials.
Three Configurations For Different Project Needs
Different construction scenarios require matching drum cutter attachment structures. We provide three mainstream configurations to meet diversified working requirements.
Horizontal Drum Cutter: This is the most widely used configuration, suitable for excavators from 6 tons to 70 tons. It is the preferred choice for tunnel contour trimming, asphalt pavement milling, building renovation and soft rock mining. It can process rock with compressive strength up to 90MPa, and supports stable underwater operation with fully sealed structure. Optimized pick arrangement ensures uniform milling effect and stable working efficiency during long shifts.
Vertical Drum Cutter: This vertical structure is mainly used for special deep trench excavation, pile head removal, steel slag cleaning and special contour trimming. It is equipped with high-torque hydraulic drive and high-strength alloy cutting tools, which can maintain stable high-load work in harsh construction environments. Custom-length connecting sleeves can be produced according to customer requirements to adapt to different excavation depth requirements.
Chain Drum Cutter: This model adopts an innovative blind-spot-free design. When excavating trenches, operators do not need to swing the excavator arm repeatedly to clean the residual material in the middle. The finished trench width is completely consistent with the width of the milling drum, with a more regular groove shape and higher construction efficiency. It shares the same tonnage adaptation range with the horizontal model and also supports underwater operation.
Frequently Asked Questions About Drum Cutter Machine
A: The YG series covers excavators from 5 to 24 tons. The YG140 fits 5-10 ton machines. The YG160 fits 10-15 ton excavators. The YG180 fits 15-21 ton machines. The YG240 fits 20-24 ton excavators.
A: The attachment cuts rock (up to medium hardness), concrete, reinforced concrete, asphalt, frozen soil, and soft rock formations like mudstone and sandstone.
A: No. The drum cutter attachment uses continuous rotary cutting, not impact. Vibration levels are significantly lower than hydraulic breakers.
A: Pick life depends on the material being cut. In moderate rock conditions, picks last for hundreds of hours of operation. The carbide tips provide excellent wear resistance.
A: Yes. The YG series drum cutter is suitable for underwater operations including dredging and underwater excavation.
Drum Cutter Attachment For Sale
YG Machinery focuses on R&D and manufacturing of heavy-duty excavator attachments. Every drum cutter machine undergoes strict assembly inspection and load test before delivery to ensure stable performance under long-term high-load working conditions.
Whether you need to carry out precise tunnel contour trimming, flexible municipal road maintenance or special trench excavation, our equipment can provide stable and efficient construction support. If you are looking for a reliable hydraulic drum cutter to expand your project scope, send your excavator model, main construction scenarios and material conditions to our team. We will provide you with professional matching solutions and detailed parameter documents.
