Bazhou Dpair Hardware Tools Co., LTD.

Chain-and-Boom Trencher for Excavator Guided Trench Cutting

The Chain-and-Boom Trencher combines guided boom reach and chain cutting for accurate trench lines in hard material.
As a professional manufacturer of Chain-and-Boom 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-and-Boom Trencher combines a chain cutting system with a boom structure that helps guide the cut with more control. This design suits excavator users who need narrow trenching in hard ground, weathered rock, or abrasive material. A Chain-and-Boom Trencher is widely used for utility work, road edges, slope cutting, quarry tasks, and foundation preparation where a stable cutting path is important.

The boom section supports reach and direction, while the chain handles the actual cutting. That combination allows the operator to follow a defined line on uneven terrain, rock faces, and confined job areas. A Chain-and-Boom Trencher helps reduce overcut, which can save cleanup time and make the trench easier to finish. It works well for cable routes, drainage trenches, pipe installation, rock slotting, and other projects that need a narrow and repeatable cut instead of broad excavation or uncontrolled breaking. This design is also valuable when repetitive cuts must stay uniform from section to section on the same project.

This attachment is built for demanding field applications. A reinforced body, strong boom structure, durable chain system, and hydraulic drive support dependable performance in difficult conditions. The operator controls the attachment from the excavator cab, so positioning and feed changes happen quickly as the job surface changes. Many contractors choose a Chain-and-Boom Trencher because it offers a useful balance of reach, precision, and cutting strength on sites where access and control both matter.

For project teams that need an excavator-mounted tool for defined trench lines in hard material, this product is a practical option. It fits quarry work, municipal construction, utility trenching, excavation, and slope engineering. It can improve trench quality while keeping the carrier versatile across the site. If your application needs a guided chain cutting system with excavator flexibility, share your working conditions with us and we will recommend the right Chain-and-Boom Trencher solution.

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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