Disc Trencher Rock Saw for Excavator Hard Ground Trenching

This disc trencher rock saw attachment supports excavator trenching in hard soil and broken rock with a more controlled cutting path. It is ideal for utility, drainage, and pipeline installation work. As a professional manufacturer of Disc Trencher Rock Saw, 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

Disc Trencher Rock Saw is designed for excavator trenching in hard ground where both cutting strength and trench control matter. It combines the function of a disc-style trencher with the working style of a rock saw attachment, making it suitable for cable, pipe, and drainage line installation. A Disc Trencher Rock Saw helps operators form narrower channels in dense soil, broken rock, and mixed site conditions.

This attachment works well when projects need a defined trench path instead of wider excavation. The rotating disc wheel follows a controlled line and supports steady site progress on municipal, infrastructure, and industrial jobs. Its body also helps contain material flow around the cutting area. A Disc Trencher Rock Saw is a practical choice for crews that need dependable trenching performance from an excavator-mounted cutting tool.

A Disc Trencher Rock Saw fits contractors, equipment distributors, and civil engineering teams that work in difficult trenching conditions. It offers practical site value where trench efficiency, controlled wheel cutting, and excavator compatibility are important. For businesses looking for a durable attachment for everyday hard ground trenching, a Disc Trencher Rock Saw provides reliable performance and strong field adaptability.

Model	ERW-09	ERW-15	ERW-25	ERW-35
Suitable Carrier (t)	6–9	13–18	20–45	50–70
Trenching Width (mm)	30 / 40	50 / 80 / 100	100 / 150 / 200	200 / 300
Trenching Depth in Rock (mm)	300 / 240	450 / 400 / 350	600 / 500 / 400	800 / 600
Trenching Depth in Mixed Ground (mm)	600 / 500	900 / 800 / 700	1000 / 900 / 800	1200 / 1000
Max Pressure (MPa)	25	35	35	35
Max Cutting Force (Nm)	14,800	24,500	46,000	65,000
Recommended Flow Rate (L/min)	85	150	300	450
Recommended Speed (rpm)	60	44	30	25
Machine Weight (kg)	≤600	≤1600	≤2200	≤5000
Components / Brands	Motor: Poclain Bearing: SKF Cutting Picks: Tungsten-Molybdenum Alloy	Motor: Poclain Bearing: SKF Cutting Picks: Tungsten-Molybdenum Alloy	Motor: Poclain Bearing: SKF Cutting Picks: Tungsten-Molybdenum Alloy	Motor: Poclain Bearing: SKF Cutting Picks: Tungsten-Molybdenum Alloy

On-site view of a rock wheel cutting through hard ground during trenching work.	Front operation view of a wheel saw attachment cutting a narrow trench on site.	Close working view of a rock saw trencher cutting through compact ground.	Side view of a disc trencher cutting through sloped ground during trenching work.
Wide site view of a trenching wheel cutting through rocky ground during excavation work.	Wide jobsite view of a wheel trencher working through mixed soil and rock.	Close working view of a hydraulic rock saw cutting through hard ground at the jobsite.	Low-light operation view of a cutter wheel performing trench cutting on site.