The excavator chain drum cutter, also universally named chain drum cutter attachment, standard chain drum cutter, and general excavator drum cutter, is a professional hydraulic excavator attachment specially designed for precise rock milling, narrow trenching, concrete trimming, and soft-to-medium-hard rock excavation. Different from single rotary drum cutters, this equipment adopts a unique double-drum plus circulating cutting chain structure, covered with wear-resistant tungsten carbide cutting picks all over the chain and drum surfaces. It is driven by the excavator’s auxiliary hydraulic system, requiring no extra power supply or supporting equipment. It can cut soft soil, frozen ground, asphalt, concrete, and medium-hard rock with compressive strength up to 110MPa, generating neat, standard cutting surfaces without excessive spoil. The excavator chain drum cutter has become indispensable precision construction equipment for urban municipal, pipeline, tunnel, mining, and renovation engineering projects worldwide. If you are interested, please contact YG immediately for more information.
Excavator Chain Drum Cutter Parameter
| Potencia máxima (kW) | 140 |
| Caudal máximo (L/min) | 380 |
| Presión nominal del motor (MPa) | 28 |
| Par máximo de salida (N·m) | 33000 |
| Caudal de funcionamiento (L/min) | 280-340 |
| Velocidad de funcionamiento (r/min) | 70 |
| Peso de la máquina (kg) | 1850 |
| Número de dientes de corte (unidades/unidad) | 48 |
| Especificaciones de los dientes de corte | 30 |
5 Working Principle of Excavator Chain Drum Cutter
1. Hydraulic Power Driving Transmission
High-pressure hydraulic oil output from the excavator enters the built-in heavy-torque hydraulic motor of the chain drum cutter attachment. The motor converts hydraulic pressure into rotational mechanical force, synchronously driving the left and right main cutter drums to rotate at a stable low speed and high torque, and simultaneously pulls the endless circulating cutting chain running between the two drums Antraquip.
2. Circulating Chain Continuous Milling & Rock Breaking
The closed cutting chain with dense alloy picks circulates between two rotating drums. As the excavator arm pushes the cutter downwards, the picks on the chain continuously scratch and mill rock, concrete, and soil layers. The circulating chain eliminates the uncut rock pillar in the middle that plagues ordinary excavator drum cutters, so operators do not need to swing the machine left and right repeatedly.
3. Layered Material Crushing & Automatic Discharging
During cutting, alloy picks break hard materials into fine, uniform fragments instead of large, irregular rock blocks. The built-in spoil guiding baffle on the cutter housing automatically pushes crushed waste to one side of the trench, avoiding material accumulation in the cutting zone and realizing uninterrupted continuous operation.
4. Multi-Angle Adjustable Cutting Control
Operators control the excavator arm to adjust the cutter’s cutting depth, vertical angle and horizontal position freely. The whole attachment can complete vertical deep trenching, horizontal wall profiling, and inclined surface trimming, adapting to various complex construction profile requirements without auxiliary tools.
5. Low-Vibration Static Milling Mechanism
Unlike impact breakers that rely on violent striking force, the chain drum cutter adopts continuous, gentle milling cutting. It transfers uniform friction force to materials instead of instantaneous impact, greatly reducing vibration transmitted to the excavator body and surrounding buildings, meeting urban civilized construction standards.
7 Key Features of the YG Excavator Chain Drum Cutter
1. 40% Energy Saving & Reduce Excavator Wear
The circulating cutting chain clears central rock residues automatically and eliminates repeated side swinging. It cuts hydraulic power consumption by nearly 40% and reduces abrasion on swing motors, arm pins and hydraulic pipelines, extending the excavator’s overall service life compared with regular single-drum cutters.
2. Precise Narrow Trenching Without Over-Excavation
It maintains a fixed cutting width to form smooth vertical trench walls with a controllable excavation range. No extra over-digging occurs, which greatly cuts backfill consumption and secondary trimming labor, lowering total material and labor costs for pipeline projects.
3. Low Vibration & Low Noise for Urban Construction
Continuous rotary milling creates far less noise and vibration than impact breakers. It can operate near residential zones, aged buildings and dense underground pipelines without structural damage or public complaints, fully meeting urban environmental construction standards.
4. Replaceable Tungsten Carbide Picks & Easy Maintenance
All cutting picks are made of quenched tungsten carbide alloy with outstanding wear and impact resistance. Only single worn picks need replacement instead of full chains or drums to lower long-term upkeep costs. The chain structure can be quickly disassembled for daily cleaning and lubrication.
5. Wide Material Adaptability & High Hardness Cutting Capacity
This attachment processes soft soil, clay, frozen ground, asphalt, reinforced concrete, limestone, and medium-hard rock up to 110 MPa compressive strength. It removes the need for secondary crushing and fits municipal trenches, tunnels, and mining galleries.
6. Integrated Waterproof Design for Underwater Work
The fully sealed cutter housing supports stable underwater operation down to 30 meters without extra waterproof accessories. It fits river dredging, underwater foundation trimming and submarine pipeline trenching projects perfectly.
7. High Torque Transmission & 30% Higher Working Efficiency
Equipped with a 5-speed variable helical gearbox, the Angrist-VM chain drum cutter delivers boosted cutting force and larger output torque. Its overall construction efficiency is 30% higher than standard milling machines, widely applied in utility corridors, coal mines, metal mines, and tunnel engineering.
6 Wide Applications of Excavator Chain Drum Cutter
1. Municipal Pipeline Narrow Trench Construction
It is the core application of the chain drum cutter. For water pipes, gas pipelines, optical fiber and power cable laying, the equipment digs standard narrow trenches with smooth vertical walls, reducing pipeline deformation risks and simplifying later pipe laying and backfill work.
2. Tunnel & Underground Engineering Profiling
In subway, mine and utility tunnel construction, the excavator drum cutter precisely trims tunnel inner walls, removes protruding rock bulges and shapes standard tunnel cross-sections, replacing manual chipping and improving underground operation safety.
3. Road Renovation & Asphalt/Concrete Removal
For highway maintenance, old road surface renovation and sidewalk reconstruction, the chain drum cutter attachment mills old asphalt and concrete layers evenly, forming flat base surfaces for new pavement laying.
4. Building Demolition & Foundation Trimming
During old building dismantling, it cuts concrete walls, foundation beams and pile head surplus concrete neatly without bending internal steel bars. It also cleans uneven foundation rock surfaces to meet upper structure pouring requirements.
5. River, Reservoir & Underwater Dredging
The waterproof structure supports underwater trenching and silt rock cleaning, suitable for river channel widening, reservoir bottom rock trimming, and offshore shallow water pipeline excavation.
6. Small-Scale Mining & Quarry Fine Milling
In quarries and small mineral mines where blasting is prohibited, the excavator chain drum cutter slowly mills medium-hard rock into uniform granular materials, realizing safe and controllable mining without explosion risks.
Excavator Chain Drum Cutter Price-Choose YG Machinery
The excavator chain drum cutter stands out as an upgraded precision milling tool compared to traditional single drum cutters and impact breakers. With energy-saving chain circulation structure, a high-torque helical gear drive, and 30% higher working efficiency, it achieves accurate low-vibration trenching without over-excavation. It’s replaceable tungsten carbide picks, wide material adaptability up to 110MPa rock, and built-in waterproof design support diverse jobs from urban pipelines, tunnel profiling, to underwater dredging. This versatile excavator drum cutter cuts labor, material, and maintenance costs while complying with strict urban environmental rules. For contractors pursuing stable, efficient, and eco-friendly construction, the excavator chain drum cutter is a long-term valuable attachment that improves project profit and expands the scope of accessible engineering orders. If you are interested, please contact YG for a discount.
