Rock Saw Attachment for Excavator Trench Cutting

This rock saw attachment helps excavators cut narrow trenches through hard ground with better control. It is well suited for utility installation, roadwork, and infrastructure trenching projects. As a professional manufacturer of 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

Rock Saw is built for excavator users who need a strong cutting attachment for rocky ground and narrow trench applications. It uses a wheel-style cutting system to open defined channels where standard buckets may remove too much material. A Rock Saw helps crews handle trench work with more control when they install utilities, drainage lines, or pipeline routes in demanding site conditions.

This attachment works well where ground is dense, uneven, or difficult to break with ordinary excavation methods. Its wheel form supports steady cutting along a planned path, which helps improve trench consistency during operation. The compact body also makes a Rock Saw suitable for jobs that require a cleaner cutting profile in roadwork, municipal repair, and infrastructure preparation.

A Rock Saw is widely used by contractors who need reliable performance on projects with hard ground or mixed material conditions. It suits excavator-based trenching tasks that call for efficient slot cutting and practical field use. For companies looking for a durable trenching attachment with strong site adaptability, a Rock Saw provides dependable cutting action and solid working value across many types of construction work.

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.