Bazhou Dpair Hardware Tools Co., LTD.

Chain Trencher for Excavator Rock and Hard Ground Cutting

The Chain Trencher is a heavy-duty excavator attachment for narrow trenching, rock cutting, and utility line work in hard ground and slope applications.
As a professional manufacturer of Chain Trencher, we provide more cost-effective products. Whether you want to buy or become a distributor, you are welcome to contact us anytime.

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Product description

Chain Trencher is designed for contractors who need controlled cutting in hard ground, weathered rock, and mixed material. This attachment mounts on an excavator and turns hydraulic power into a steady chain cutting action. It helps crews open narrow trenches where a bucket or breaker would remove too much material. It also supports better line control along slopes, foundations, utility routes, and rock faces where accuracy matters.

A Chain Trencher keeps the cut narrow and consistent. That reduces overcut, saves cleanup time, and makes the next construction step easier. Contractors use this type of tool for cable trenches, drainage lines, pipe routes, rock slotting, and surface preparation before splitting work. Because the excavator provides reach and positioning, the attachment can work in places where self-propelled trenchers are less practical. This makes it useful for hillside projects, quarry work, and restricted job sites.

The structure is built for demanding conditions. A strong body, heavy chain system, and hydraulic drive help the unit stay productive when the material becomes abrasive. The operator can control feed movement and cutting speed from the cab, so the workflow stays smoother and more direct. Many crews choose a Chain Trencher when they want a cleaner cut than broad excavation can provide. It also helps reduce secondary trimming around the trench edge, which improves daily efficiency on repetitive jobs.

This product suits excavation contractors, utility installers, road crews, and quarry operators who need narrow rock cutting with better control. It works well on slope work, trench preparation, line installation, and specialty cutting tasks where accuracy matters. If you need a practical excavator attachment for controlled trenching instead of rough breaking, this solution is a strong fit. Send us your excavator model and working condition, and we will recommend a matching Chain Trencher solution for your project.

Item

YETR-2 YETR-3 YETR-4
Applicable Carrier (T) 13–18 20–45

50–70

Trenching Width (mm)

150 / 250 200 / 300 / 400 300 / 400 / 500 / 600
Rock Trenching Depth (mm) 1200 / 800 1800 / 1200 / 900

2500 / 1800 / 1500 / 1200

Mixed Ground Trenching Depth (mm) 1800 / 1400 2400 / 1800 / 1500 3000 / 2400 / 2000 / 1800

Maximum Pressure (MPa)

35 35 35
Recommended Flow (L/min) 150 280

350

Maximum Cutting Force (Nm)

35,000 85,000 125,000
Machine Weight (kg) ≤ 2000 ≤ 3500

≤ 6000

Components / Brand

Poclain Motor / SKF Bearings / Tungsten-Molybdenum Alloy Teeth / Maintenance-Free Chain Poclain Motor / SKF Bearings / Tungsten-Molybdenum Alloy Teeth / Maintenance-Free Chain

Poclain Motor / SKF Bearings / Tungsten-Molybdenum Alloy Teeth / Maintenance-Free Chain

Rock Chain Trencher cutting rock wall
The excavator-mounted rock chain trencher cuts a narrow groove into the rock wall for controlled rock removal.
Excavator Mounted Chain Trencher on construction site
The excavator mounted chain trencher is installed on site and ready for narrow trench cutting in confined working conditions.
Trenching Attachment close-up on excavator
This close-up highlights the compact drive head and reinforced structure of the trenching attachment during field installation.
Hydraulic Chain Trencher working on rock slope
The hydraulic chain trencher works on a rocky slope and delivers controlled cutting under challenging terrain conditions.
Rock Trencher close-up cutting hard stoneThe rock trencher cuts directly into hard stone and creates a narrow cutting path with strong control.
Chain-and-Boom Trencher side view on slope
The chain-and-boom trencher keeps the cutting line stable while the excavator works across a sloped rock surface.
Excavator Trencher Attachment cutting rock face
The excavator trencher attachment helps the operator follow a controlled trench line on a rough rock face.
The chain trencher works in hard rock conditions and supports efficient narrow cutting for demanding field jobs.
The excavator trencher attachment helps the operator follow a controlled trench line on a rough rock face.

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