The Boom Trencher offers guided chain cutting for precise trench lines in rock, hard ground, and utility applications.
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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 |
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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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