Bazhou Dpair Hardware Tools Co., LTD.

Boom Trencher for Precision Excavator Trenching

The Boom Trencher offers guided chain cutting for precise trench lines in rock, hard ground, and utility applications.
As a professional manufacturer of 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

Boom Trencher is a practical excavator attachment for contractors who need precise trench cutting and controlled reach. The boom-style cutting structure helps guide the chain along a defined path, which makes the attachment useful for narrow trenching, rock slotting, and hard ground applications. A Boom Trencher is often used in utility work, road projects, slope stabilization, quarry maintenance, and foundation preparation where a clean and repeatable cut is important.

The boom design supports good directional control during operation. An excavator can position the attachment on slopes, near walls, along road shoulders, and in confined job areas where dedicated trenching machines may struggle. A Boom Trencher helps reduce overcut because the cutting path stays narrow and direct. That improves trench accuracy and can reduce the amount of extra material handling after the main cut. It is a useful choice for cable lines, pipe routes, drainage work, and specialty slot cutting in abrasive ground. The boom layout is also helpful when operators need to approach the cutting line from an angle, because the excavator can hold the attachment where access is limited.

Product description

The attachment is built for continuous field service. A reinforced boom structure, durable chain system, and hydraulic drive allow stable performance under heavy load. The operator can manage the cutting action from the cab and make fast position adjustments as the surface changes. Many crews prefer a Boom Trencher because it combines the excavator mobility with a trenching system that offers reach, control, and better visibility during the cut.

This product suits contractors who need flexible trenching performance across different jobsite conditions. It can support municipal work, excavation, quarry applications, and difficult slope projects without adding a separate trenching machine to the fleet. If your work requires a narrow cut and strong control over cutting direction, this attachment is a smart option. Contact us with your excavator model and application, and we will recommend a suitable Boom 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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