Rock Saw Trencher for Excavator Hard Ground Applications

This rock saw trencher gives excavators a strong solution for narrow trench cutting in hard and mixed ground. It supports utility, municipal, and pipeline work with controlled wheel cutting performance. As a professional manufacturer of Rock Saw 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 Saw Trencher is built for excavators that need both rock cutting ability and trenching efficiency on demanding job sites. It performs well where the ground is dense, uneven, or mixed with broken stone and compact material. A Rock Saw Trencher helps crews cut narrow working channels for utilities, pipelines, and drainage systems with better line control and less over-excavation.

The rotating wheel cuts along a defined path, making the attachment suitable for projects that require repeatable trench results. Its enclosed upper structure helps guide debris and supports practical jobsite operation. A Rock Saw Trencher is often chosen for municipal construction, road-side service installation, and civil engineering work where trench shape and steady progress both matter.

A Rock Saw Trencher suits contractors and equipment users who want a rugged excavator attachment for regular trenching in hard conditions. It brings strong cutting capability to projects that need controlled trench lines and reliable site performance. For companies looking for a practical attachment that can handle tough ground while supporting narrow trench work, a Rock Saw Trencher offers consistent daily value and broad application flexibility.

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.