The Chain-and-Boom Trencher combines guided boom reach and chain cutting for accurate trench lines in hard material.
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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 |
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The rock trencher cuts directly into hard stone and creates a narrow cutting path with strong control. |
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