

Rock splitter for an excavator is a dedicated hydraulic attachment mounted to the excavator boom, designed for vibration-free static rock and concrete demolition. Traditional blasting has strict approval limits and safety hazards, while hydraulic breakers generate loud noise and irregular rock fragments; this excavator rock splitter solves both critical construction pain points at once. YG Machinery develops two mainstream models (YGM-S200, YGM-S280) matching 10–50-ton mainstream excavators, covering small foundation pit works and large open-pit mining projects. For contractors working near residential zones or protected cultural sites, this attachment meets strict environmental limits without flyrock risks during all-day operation.
Unified Complete Technical Parameter Table For Excavator Rock Splitter
| Model | YGM-S200 | YGM-S280 |
| Splitting Force(ton) | 3800 | 5700 |
| Piston Diameter(mm) | 200 | 250 |
| Required Drilling Diameter(mm) | 90-110 | 110-130 |
| Required Drilling Depth(mm) | 1600 | 1700 |
| Crack Width(mm) | 32 | 35 |
| Drilling Gap Distance(mm) | 1000-1500 | 2000-2500 |
| Splitting Speed(s) | 40-50 | 40-50 |
| Required Pressure(MPa). | 60-80 | 80 |
| Splitting Gun Length(mm) | 2700 | 2800 |
| Weight(kg) | 900 | 1000 |
The wedge group of the rock splitter for excavators adopts wear-resistant alloy steel, and the fully sealed hydraulic circuit avoids oil leakage under long, high-pressure work. Engineering teams handling mixed urban and mining jobs can deploy it to replace blasting and breakers with a single attachment.
Complete Working Principle Of Rock Splitter For Excavator
This hydraulic splitting device operates based on mature wedge expansion mechanics powered by the excavator’s built-in hydraulic system. Operators first drill pre-set holes in the rock or concrete surface according to specified spacing and depth, then lower the splitter gun into the drilled holes via the excavator arm. High-pressure hydraulic oil pushes the central wedge forward, forcing two reverse wedges to expand outward and generate tons of expansion force.
Once the force exceeds the rock’s tensile strength, stable cracks form inside without shock waves or flying debris. The hydraulic control valve of rock splitting equipment allows stepless force adjustment to control crack size and splitting direction precisely. Mining and highway expansion contractors with hard rock terrain can rely on it to raise daily ore output by over 3 times compared with hammer breaking.
Seven Core Functional Advantages Of Rock Splitting Equipment
- Ultra-High Splitting Output: Max 5700-ton expansion force cracks granite, basalt, and reinforced concrete within 50 seconds per cycle.
- Zero Vibration & Low Noise Static Operation: No flyrock or shockwave; usable near buildings, tunnels, and cultural relic protection zones.
- Precise Controllable Demolition: Adjust splitting force to preserve target structures, avoiding unnecessary substrate damage.
- Wide Excavator Compatibility: Standard quick connector fits all 10–50 ton mainstream excavator brands without refitting hydraulic circuits.
- Flexible Working Scenarios: Supports above-ground, underground tunnel, and underwater rock clearing without extra modification. Small and medium mining subcontractors with scattered project sites can invest in a rock splitter for an excavator to shorten construction cycles and reduce blasting permit costs.
- Low Operation Cost: Few vulnerable parts, simple daily flushing maintenance, and drastically reduced long-term spare parts expenditure.
- High Ore Integrity: Split rock forms uniform blocks with less fine waste, improving finished stone yield for quarries.
Global Full-Scene Application Fields Of Rock Splitter For Excavator
- Open-Pit & Underground Mining: Mine ore extraction where blasting is banned, improving high-grade ore recovery rate.
- Granite & Marble Quarrying: Directional splitting to retain complete stone blocks for high-value slab processing.
- Urban Foundation Pit Excavation: Rock removal around residential buildings without noise complaints.
- Tunnel & Subway Construction: Narrow-space static rock breaking to protect surrounding rock stability.
- Underwater Port & Waterway Renovation: Submerged rock removal without special waterproof refits.
- Reinforced Concrete Demolition: Dismantle bridge piers, building bases, and retaining walls selectively.
- Mountain Highway Widening: Steep slope rock splitting without landslide risks from blasting vibration.
- Disaster Emergency Rescue: Clear collapsed rock barriers after earthquakes and floods safely.


Step-By-Step Model Selection Guide For Excavator Rock Splitter
- Excavator Tonnage Matching: YGM-S200 fits 10–25 ton diggers for small pits and residential renovation; YGM-S280 matches 30–50 ton excavators for large mines and highway slopes.
- Rock Hardness Standard: Medium-hard limestone chooses YGM-S200; ultra-hard granite and quartzite require YGM-S280 with 5700-ton splitting force.
- Long-Term Project Cycle: Year-round mining operations pick heavy-duty YGM-S280 with thickened wedges; occasional short-term projects can opt for YGM-S200 for lower upfront cost. Medium-sized civil engineering contractors balancing budget and breaking efficiency can source rock splitting equipment to cover both urban and mining rock removal demands.
- Drilling Condition Limits: Narrow construction zones with limited drill hole depth adopt YGM-S200; wide open mines with 2000mm drill spacing select YGM-S280.
FAQ: Rock Splitting Equipment
The YGM series splitter matches standard excavator pressure parameters, with built-in pressure relief valves to avoid overload damage during compliant operation.
Under standard 8-hour shifts, YGM-S200 handles 80–120 cubic meters of hard rock; YGM-S280 reaches 100–150 cubic meters for large mining output.
12-month full machine warranty, 2-year warranty for core wedge and piston components; global spare parts delivery within 48 hours plus 24-hour multilingual technical support.
Standard excavator operators can master full splitting operation within 1–2 hours of guided training; no extra professional certification required.
This rock splitter for an excavator requires pre-drilling with a separate drill rig and has a lower purchase cost; an integrated drill-split unit combines two functions for large continuous mining projects. Factory procurement teams comparing static breaking attachments can inquire about customized construction plans and factory-direct prices by contacting overseas sales engineers.
Factory Supply & Global After-Sales Support Of Rock Splitter For Excavator


YG Machinery integrates R&D, mass production, and global export of excavator hydraulic attachments. Besides rock splitters, our full machinery lineup includes spider cranes, hydroseeders, and sandblasters for one-stop contractor procurement. Every splitter undergoes 72-hour continuous pressure testing before seaworthy packaging and shipment. We provide multilingual operation manuals, remote video training, and on-site engineer guidance for large overseas mining and highway projects. Complete spare part kits are supplied together with each unit to reduce site downtime.
If you need overseas mine project case videos or tailored rock-breaking budget quotations, submit your excavator tonnage and rock condition to our sales team. Global mining and demolition contractors sourcing static breaking attachments can order an excavator rock splitter with factory-direct pricing and full after-sales coverage.


