Hard rock stops most equipment. Granite fractures blades. Basalt dulls teeth. Reinforced concrete breaks breakers. When traditional methods fail, you need a different approach. A rock saw machine is a hydraulic attachment that mounts to an excavator’s arm. It uses a high-strength alloy circular saw blade, driven by a hydraulic motor, to cut through rock, concrete, and other hard materials. Unlike hydraulic breakers that shatter material through impact, an excavator concrete saw cuts through it. The blade’s teeth or diamond segments grind away the material along a narrow cut line. This cutting action produces straight, clean edges with minimal vibration and significantly less noise than breaking methods.
The YG series excavator diamond rock saw uses the excavator’s hydraulic system to power the saw. High-pressure hydraulic oil flows through the motor, converting hydraulic energy into rotational force that drives the blade at high speed.
Rock Saw Machine Technical Parameters:
| Model/Motor Model | YSJ04 | YGJ06 | YSJ08 | YSJ10 | ||||
| Rotation Mode | Fixed Type | 360°Rotation | Fixed Type | 360°Rotation | Fixed Type | 360°Rotation | Fixed Type | 360°Rotation |
| Applicable excavators (T) | 6-12 | 6-12 | 12-20 | 12-20 | 20-30 | 20-30 | 30-40 | 30-40 |
| Machine weight (KG) | 200 | 260 | 350 | 450 | 500 | 600 | 500 | 700 |
| Saw blade size (mm) | 800 | 1200 | 1600 | 1800 | ||||
| Theoretical Displacement (ml/r) | 154 | 154 | 493 | 792 | ||||
| Torque (N.m) | 600 | 600 | 1923 | 3100 | ||||
| Peak Pressure (MPa) | 40 | 40 | 40 | 40 | ||||
| Unit Torque (N.m/MPa) | 24 | 24 | 76.9 | 124 | ||||
| Continuous Speed (r/min) | 1-650 | 1-650 | 1-550 | 1-500 | ||||
| Maximum Speed (r/min) | 1100 | 1100 | 800 | 600 | ||||
Features of YG Rock Saw Machine
All structural and power design targets the pain points of hard material cutting in construction and mining projects, with four core advantages sorted clearly below:
1.Fixed Rock Saw & 360° Rotary Rock Saw
The fixed standalone unit specializes in straight vertical and horizontal cutting tasks. The dedicated 360° rotary rock saw is a complete independent attachment built with an integrated rotating mechanism, letting operators complete side cutting, inclined cutting and deep cutting without frequently repositioning the entire excavator, which drastically boosts operation flexibility on uneven, irregular construction terrains.
2. High-torque hydraulic drive system
High-performance hydraulic motor outputs steady torque during long cutting operations; the power stays consistent even when the saw blade bites into extra-hard granite and basalt, avoiding speed drop and blade jamming during heavy load working cycles.
3. Precision cutting finish with less secondary processing
Wear-resistant alloy saw blade creates smooth and neat cutting edges on rock and concrete; operators skip extra trimming work after cutting and shorten overall construction duration compared with traditional crushing construction methods.
4. Complete tonnage matching range
Four models cover excavators from 6 tons to 40 tons; saw blade size expands progressively from 800mm to 1800 mm. You can match blade diameter, machine weight and torque strictly with your excavator hydraulic output to avoid insufficient power or overloaded hydraulic pressure.
Where a Rock Saw Machine Excels?
Mining and Quarrying: Open-pit mines and quarries use rock saws for ore body separation, regularized mining, and stone block extraction. The precision cutting reduces waste and improves mineral resource utilization. In quarrying, rock saws slice large stone blocks into manageable slabs with minimal material loss.
Demolition and Concrete Cutting: When dismantling reinforced concrete structures, an excavator diamond rock saw provides controlled cutting without damaging surrounding areas. The clean cut lines prevent uncontrolled cracking and reduce the need for additional demolition work. For excavator concrete saw applications in urban demolition, the reduced noise and dust compared to breaking methods is a significant advantage.
Trenching and Utility Installation: Urban construction projects require precise trenches for utilities, pipelines, and foundations. A rock saw machine cuts through bedrock and existing pavement, creating straight, narrow trenches that minimize excavation and restoration work
Tunnel Excavation: Tunnel projects use rock saws for profile cutting, pilot tunnel excavation, and treatment of unfavorable geological conditions. The precision cutting capability helps maintain tunnel alignment and reduces overbreak
Landscaping and Stone Processing: Landscape architects use small rock saw for excavator attachments for artificial rockery shaping, stone cutting, and landscape stone processing. The clean cuts produce finished edges that require minimal additional work.
Water Conservancy Projects: Rock excavation and channel trimming in water conservancy projects benefit from the precision and efficiency of rock saw cutting.
Rock Saw Machine vs Hydraulic Concrete Breaker: When to Choose Which
The choice between an excavator diamond rock saw and a hydraulic breaker depends on the project requirements.
A rock saw cuts. A breaker breaks.
A small rock saw for excavator uses a rotating blade to make straight, precise cuts. It excels at clean trenches, quarry work where clean cuts save time, and controlled demolition near sensitive structures
A hydraulic breaker delivers repeated impacts to fracture rock. It excels at bulk rock breaking, demolition of large structures, and applications where precise edges are not required
When to choose a rock saw machine:
- You need straight, clean cut lines
- You are working near utilities or structures that require controlled cutting
- You are in a quarry and want to maximize material yield
- Noise and dust restrictions apply
- You need to cut reinforced concrete without damaging rebar
When to choose a hydraulic breaker:
- You are breaking large volumes of rock for removal
- Cut quality does not matter
- You are working in soft rock where breaking is faster
- Initial equipment cost is the primary concern
