What is an excavator drum cutter?

Think of it as a giant rotating cylinder covered in carbide-tipped teeth. Mounted on your excavator arm and powered by the machine’s hydraulic system, the drum spins at high speed and mills away material layer by layer. It doesn’t smash like a breaker—it cuts, grinds, and shapes with control.

What are the two main types?

• Horizontal drum cutter — the drum axis is parallel to the excavator arm. Best for horizontal cutting, trenching, and surface milling.
• Vertical drum cutter — the drum axis is perpendicular to the arm. Best for vertical walls, shaft sinking, and contouring.

Where do people use an excavator drum cutter?

• Tunnel excavation and profile correction
• Trenching and channel cutting
• Road surface milling and asphalt removal
• Rock and frozen ground excavation
• Foundation work and special base construction
• Building demolition and concrete cutting
• Tree root and stump removal
• Coal mining and overburden removal
• Slurry mixing and material blending
• Steel industry and forestry applications

What materials can it handle? Soft rock, hard rock, frozen ground, asphalt, concrete, reinforced concrete, and even tree roots. With the right drum and tooth configuration, an excavator drum cutter handles most materials you encounter on a job site.

A rotary drum cutter is in the same category—some regions call it a drum cutter; others call it a rotary cutter or milling head. The function is identical: a rotating drum with cutting teeth that mills material to a precise profile.

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Our Excavator Drum Cutter Line

We manufacture a complete range of excavator drum cutters covering excavator classes from 3 tons to 160 tons.

Model	YGM 140	YGM 160	YGM 180	YGM 210S	YGM 240	YGM 200	YGM 280	YGM 350	YGM 400	YGM 800	YGM 1250
Engine Displacement	398ml/r	1340ml/r	1340ml/r	2680ml/r	2099 ml/r	2812 l/r	2812ml/r	4198ml/r	8396ml/r	20000 ml/r	30000 ml/r
Speed Range	0-100 r/min	0-90  r/min	0-120 r/min	0-100 r/min	0-85  r/min	0-95 r/min	0-120 r/min	0-140 r/min	0-80 r/min	0-90 r/min	0-90 r/min
Max Flow	40 L/min	174 L/min	160 L/min	268 L/min	280 L/min	400 L/min	337 L/min	580 L/min	670 L/min	1800 L/min	2700 L/min
Rated Pressure	28 Mpa	25 Mpa	28 Mpa	28 Mpa	25 Mpa	28 Mpa	28 Mpa	30 Mpa	30 Mpa	35 Mpa	35 Mpa
Max Pressure	40 Mpa	30 Mpa	35 Mpa	35 Mpa	35 Mpa	45 Mpa	45 Mpa	45 Mpa	45 Mpa	45 Mpa	45 Mpa
Max Torque	3000 N.m	5200 N.m	5600 N.m	9000 N.m	12800 N.m	12800 N.m	12000 N.m	23500 N.m	46500 N.m	111300 N.m	121400 N.m
Max Power	22 KW	45 KW	50 KW	80 KW	65KW	70 KW	70 KW	120 KW	200 KW	400 KW	480 KW
Cutter Head	22-44 pcs	36-56 pcs	44-68 pcs	44-68 pcs	48 pcs	32 pcs	60-76 pcs	76 pcs	76 pcs	84 pcs	84 pcs
Height	650 mm	840 mm	830 mm	840 mm	1420mm	1200 mm	1420 mm	1450 mm	mm	mm	mm
Width	400-500  mm	650-780 mm	500-780  mm	500-780  mm	1000mm	500 mm	1000  mm	1100  mm	None	None	None
Diameter	390 mm	460 mm	470-500 mm	470-500 mm	620mm	500 mm	680 mm	690 mm	None	None	None
Weight	200 KG	600 KG	600 KG	600 KG	1650KG	1650KG	1600 KG	1700 KG	2600 KG	5100 KG	6000 KG
Excavator Class	3-8 T	10-15 T	10-20 T	18-25 T	20-30 T	20-30 T	20-30 T	30-50 T	40-60 T	80-120 T	120-160 T

All models include:

• Carbide-tipped cutting teeth with replaceable holders
• Heavy-duty drum construction
• Reliable hydraulic motor
• Quality bearings with sealing
• Mounting brackets for excavator installation
• Horizontal or vertical orientation options (check model availability)

Customization: We can design the cutter according to your excavator model, hydraulic flow, and application requirements.

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Horizontal vs. Vertical: Which Type Do You Need?

This is the first decision. The choice depends on your primary application.

Horizontal drum cutters: 

• The drum rotates parallel to the ground
• Best for: trenching, surface milling, road planing, horizontal profiling
• Typical use: asphalt removal, rock trenching, tunnel floor leveling
• How it works: the excavator arm sweeps across the cutting face

Vertical drum cutters:

• The drum rotates perpendicular to the ground
• Best for: shaft sinking, vertical wall cutting, contouring
• Typical use: tunnel wall shaping, vertical trenching, foundation wall cutting
• How it works: the arm positions the drum vertically and cuts downward

Practical advice: Most general contractors choose horizontal cutters for versatility. Vertical cutters are specialized for shaft and wall work. If you’re doing both, some models can be adapted.

Our range includes both types. The YGM model series covers various sizes and configurations for different applications.

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What To Look For In An Excavator Drum Cutter?

Quality differences show up in the real world. Here’s what separates durable cutters from constant repair headaches.

What to Avoid in Cheap Cutters

1. Soft tooth tips. The tungsten carbide buttons wear down fast in abrasive material. Instead of lasting months, they last weeks. Replacement costs add up.
2. Weak drum body. The drum must withstand continuous impact and abrasion. Cheap drums crack or deform under hard rock cutting.
3. Low-grade hydraulic motor. The motor must deliver consistent torque. Cheap motors overheat, leak, or lose power under load.
4. Poor bearing quality. The drum rotates on bearings. Cheap bearings fail prematurely, causing drum wobble, uneven cutting, and expensive repairs.
5. Non-replaceable tooth holders. When tooth holders wear, you’re forced to replace the entire drum instead of just the worn parts.

Quality Indicators

1. Carbide-tipped teeth with impact-resistant holders. Long wear life in abrasive material. Quick-change design for fast replacement. Standard tooth size for easy sourcing.
2. Heavy-duty drum construction. High-strength steel with reinforcement at high-stress areas. No flex, no cracking under hard rock cutting.
3. Reliable hydraulic motor. Proven components that maintain torque at pressure. No power loss, no overheating.
4. Quality bearings with proper sealing. Long service life. Keeps the drum running true.
5. Replaceable tooth holders. Wear parts are replaceable—not the entire drum. Lower operating cost, longer attachment life.
6. Matching the excavator flow. Properly sized motor to match typical excavator auxiliary flow. No undersizing, no oversizing.

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Our 8 Service Package 

Overseas buyers get full support from selection to operation.

• Excavator matching. Tell us your excavator model, tonnage, and auxiliary hydraulic flow. We confirm the correct cutter—no over- or undersizing.
• Application matching. Let us know your primary material and job type. We recommend horizontal or vertical orientation.
• Custom mounting plates. We match the cutter to your excavator brand.
• Tooth availability. We stock replacement teeth for all models.
• Full export documentation. Customs compliance, commercial invoice, packing list.
• Pre-shipment testing. Each cutter is tested before shipping.
• Remote installation guidance. Videos, manuals, and live support.
• Spare parts availability. Hydraulic motors, bearings, teeth, wear components—stocked and ready.

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Final Takeaway

An excavator drum cutter is a precision tool for hard materials. Choose the wrong excavator class, and it’s unstable or underpowered. Choose the wrong displacement-flow match, and it won’t reach full speed or torque. Choose the wrong orientation, and you can’t position the drum correctly.

The right cutter matches your excavator size, your hydraulic flow, your material hardness, and your application type—horizontal for trenching and milling, vertical for walls and shafts.

We build exactly that. No shortcuts. No mismatched specs. Just solid equipment from a supplier who supports you after delivery.

Need the right excavator drum cutter for your job?

Tell us:

• Excavator model, tonnage, and auxiliary hydraulic flow
• Primary material (rock type, asphalt, concrete, etc.)
• Job type (trenching, tunnel, road milling, etc.)
• Horizontal or vertical

We’ll recommend the right model—no upsell, just the correct fit.

Phone / WhatsApp / WeChat: +86 159 3715 3321