Bazhou Dpair Hardware Tools Co., LTD.

Rock Trencher for Excavator Narrow Hard Material Cutting

The Rock Trencher provides excavators with a practical solution for narrow trenching, hard material cutting, and controlled rock work.
As a professional manufacturer of Rock 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

Rock Trencher is designed for excavator users who need a dependable way to trench through rock, hard ground, and compact formations. This attachment gives crews a narrow cutting method that stays more controlled than a breaker and more targeted than a bucket. A Rock Trencher is ideal for utility corridors, quarry applications, roadwork, slope cutting, and site development where the ground resists standard excavation tools.

The main advantage is precision. The attachment cuts a clear path instead of breaking a broad area, so crews can keep the trench profile tighter and reduce cleanup after cutting. On steep slopes or uneven surfaces, the excavator provides the reach and positioning needed to follow the line more accurately. A Rock Trencher works well for pipe installation, cable routes, drainage channels, rock slotting, and preparation before splitting or controlled removal. It helps contractors work efficiently when the material is tough and space is limited. Because it mounts on an excavator already working on site, it can also reduce equipment changes and simplify logistics on projects with multiple cutting locations.

The unit is built for demanding conditions. A strong body, durable chain system, and hydraulic drive support stable performance in abrasive rock environments. The operator controls feed and positioning from the cab, which simplifies the process and supports safe handling on difficult terrain. Many jobsite teams choose a Rock Trencher when they want one attachment that can deliver clean trench definition across different rock cutting tasks.

For contractors in infrastructure, municipal work, quarries, and heavy construction, this product offers a practical balance of reach, control, and cutting performance. It helps reduce unnecessary disturbance, improves line accuracy, and keeps production moving on hard material jobs. If you need a reliable attachment for rock trenching with excavator flexibility, this solution is worth considering. Share your job conditions with us, and we will recommend a matching Rock Trencher setup for your application.

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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