Excavator0.8–2.5 t
Weight104 kg
Impact Energy60 J
Chisel Dia.40 mm
Blow Rate1000–1800 bpm
Silent Hydraulic BreakerSOOSAN
SOOSAN
SQ Series
13 models from SQ10 to SQ150. Enclosed box-type silent breakers for excavators 0.8 t to 90 t — 20–30 dB quieter for urban demolition and noise-restricted sites.
13
SQ Models
0.8–90 t
Excavator Range
−30 dB
Noise Reduction
CE / ISO
9001 Certified
Low-Noise Silent Design
Urban demolition ·Indoor work ·Night operations ·Residential areas ·Tunnel & metroFull Product Range
SQ Series — All 13 Models
Excavator1.2–3.0 t
Weight130 kg
Impact Energy120 J
Chisel Dia.45 mm
Blow Rate900–1600 bpm
Excavator2.0–4.5 t
Weight156 kg
Impact Energy185 J
Chisel Dia.53 mm
Blow Rate900–1400 bpm
Excavator4.0–9.0 t
Weight299 kg
Impact Energy280 J
Chisel Dia.68 mm
Blow Rate800–1300 bpm
Excavator5–12 t
Weight379 kg
Impact Energy340 J
Chisel Dia.75 mm
Blow Rate750–1250 bpm
Excavator9–16 t
Weight845 kg
Impact Energy480 J
Chisel Dia.100 mm
Blow Rate700–1200 bpm
Excavator15–18 t
Weight1607 kg
Impact Energy700 J
Chisel Dia.125 mm
Blow Rate650–1100 bpm
Excavator16–21 t
Weight1759 kg
Impact Energy900 J
Chisel Dia.135 mm
Blow Rate600–1000 bpm
Excavator18–26 t
Weight2053 kg
Impact Energy1100 J
Chisel Dia.140 mm
Blow Rate550–950 bpm
Excavator25–30 t
Weight2185 kg
Impact Energy1500 J
Chisel Dia.150 mm
Blow Rate500–900 bpm
Excavator28–35 t
Weight2671 kg
Impact Energy2200 J
Chisel Dia.155 mm
Blow Rate450–850 bpm
Excavator30–45 t
Weight3033 kg
Impact Energy3000 J
Chisel Dia.165 mm
Blow Rate400–800 bpm
Excavator30–45 t
Weight3169 kg
Impact Energy3600 J
Chisel Dia.165 mm
Blow Rate370–770 bpm
Excavator40–55 t
Weight3950 kg
Impact Energy4300 J
Chisel Dia.175 mm
Blow Rate350–750 bpm
Full Specifications
SQ Series Comparison Table
Source: SOOSAN HEAVY INDUSTRIES CO., LTD
| Model | Excavator | Weight | Impact Energy | Oil Flow | Pressure | Blow Rate | Chisel Dia. | Chisel Length | |
|---|---|---|---|---|---|---|---|---|---|
| SQ10 | 0.8–2.5 t | 104 kg | 60 J | 15–35 L/min | 90–120 kg/cm² | 1000–1800 bpm | 40 mm | 350 mm | Details |
| SQ20 | 1.2–3.0 t | 130 kg | 120 J | 20–45 L/min | 90–120 kg/cm² | 900–1600 bpm | 45 mm | 400 mm | Details |
| SQ30 | 2.0–4.5 t | 156 kg | 185 J | 25–55 L/min | 90–120 kg/cm² | 900–1400 bpm | 53 mm | 450 mm | Details |
| SQ40 | 4.0–9.0 t | 299 kg | 280 J | 40–75 L/min | 110–140 kg/cm² | 800–1300 bpm | 68 mm | 500 mm | Details |
| SQ43 | 5–12 t | 379 kg | 340 J | 50–90 L/min | 120–150 kg/cm² | 750–1250 bpm | 75 mm | 520 mm | Details |
| SQ50 | 9–16 t | 845 kg | 480 J | 80–120 L/min | 150–170 kg/cm² | 700–1200 bpm | 100 mm | 560 mm | Details |
| SQ60 | 15–18 t | 1607 kg | 700 J | 90–120 L/min | 150–170 kg/cm² | 650–1100 bpm | 125 mm | 600 mm | Details |
| SQ70 | 16–21 t | 1759 kg | 900 J | 100–150 L/min | 160–180 kg/cm² | 600–1000 bpm | 135 mm | 630 mm | Details |
| SQ80 | 18–26 t | 2053 kg | 1100 J | 120–180 L/min | 160–180 kg/cm² | 550–950 bpm | 140 mm | 660 mm | Details |
| SQ100 | 25–30 t | 2185 kg | 1500 J | 150–210 L/min | 160–180 kg/cm² | 500–900 bpm | 150 mm | 700 mm | Details |
| SQ120 | 28–35 t | 2671 kg | 2200 J | 180–240 L/min | 160–180 kg/cm² | 450–850 bpm | 155 mm | 740 mm | Details |
| SQ130 | 30–45 t | 3033 kg | 3000 J | 200–260 L/min | 160–180 kg/cm² | 400–800 bpm | 165 mm | 780 mm | Details |
| SQ140 | 30–45 t | 3169 kg | 3600 J | 200–260 L/min | 160–180 kg/cm² | 370–770 bpm | 165 mm | 810 mm | Details |
| SQ150 | 40–55 t | 3950 kg | 4300 J | 210–290 L/min | 160–180 kg/cm² | 350–750 bpm | 175 mm | 840 mm | Details |
Silent Series Technology
Why SQ Series Stands Out
The SQ Series combines SOOSAN's 40-year hydraulic expertise with advanced noise and vibration reduction technology — purpose-built for urban and noise-sensitive environments.
Silent Technology
Patented sound-dampening housing reduces noise by up to 10 dB vs. standard breakers — ideal for urban and noise-restricted job sites.
High Efficiency
Optimized hydraulic circuit delivers consistent blow energy with lower oil consumption, reducing operating costs per hour.
Vibration Damping
Integrated anti-vibration mounts protect the excavator arm and reduce operator fatigue during extended breaking operations.
Auto Lubrication
Built-in auto-grease system ensures continuous chisel lubrication, extending tool life and reducing maintenance downtime.
Urban-Ready Design
Compact, enclosed body design minimizes dust and debris scatter — compliant with urban construction site regulations worldwide.
CE & ISO 9001
Fully certified to international standards. Trusted by contractors in Europe, the Middle East, Southeast Asia, and beyond.
Construction Machinery Applications
Where SOOSAN Heavy
Breakers Work
The SQ Series is the go-to choice for contractors operating in noise-restricted zones. From urban demolition to underground metro construction, SQ breakers deliver full power with minimal acoustic impact.
🏙
Urban Demolition
Building teardown, reinforced concrete breaking, and structural dismantling in city centers where noise limits apply 24/7.
🏢
Indoor Breaking
Floor slab removal, basement excavation, and interior demolition where enclosed spaces demand low-noise equipment.
🌙
Night Operations
Road maintenance, utility repairs, and emergency excavation during nighttime hours in residential and commercial zones.
🏘
Residential Areas
Foundation work, drainage installation, and site preparation adjacent to homes, schools, and hospitals.
🔧
Trenching & Utilities
Pipeline and cable installation in urban streets with strict noise ordinances and vibration-sensitive underground infrastructure.
🚇
Tunnel & Metro Work
Underground construction, metro line expansion, and tunnel face breaking where noise and vibration control is critical.
Series Comparison
SQ Series vs SB Series
Both series share SOOSAN's core hydraulic technology. Choose based on your job site noise requirements.
SQ Series
Silent- Low-noise enclosed housing
- Anti-vibration mounts
- Urban & indoor applications
- Night operation compliant
- 13 models: SQ10–SQ150
SB Series
Standard- Maximum impact power
- Lightweight open body
- Mining & heavy demolition
- Extreme condition rated
- 12 models: SB10–SB151
Since 1984
The Silent Choice for
Urban Contractors
SOOSAN SQ Series hydraulic breakers are the preferred choice for contractors working in cities, residential zones, and noise-sensitive environments. With up to 10 dB noise reduction and integrated vibration damping, SQ breakers let you work longer hours without complaints.
Exported to 170+ countries, SOOSAN SQ breakers are backed by a global spare parts network and technical support team. From SQ10 for mini excavators to SQ150 for 35-ton machines, there's an SQ model for every urban job site.
−30 dB
Noise Reduction
170+
Export Countries
13
SQ Models
CE / ISO
9001 Certified
Selection Guide
How to Choose the Right SQ Model
01
01
Match Your Excavator
Select the SQ model that matches your excavator operating weight. SQ10 for 0.8–1.5t mini excavators up to SQ150 for 25–35t large machines.
02
02
Assess Noise Requirements
For standard outdoor sites, the SB Series may suffice. For urban, indoor, or night work, the SQ Series silent design is the right choice.
03
03
Contact Our Team
Send us your excavator brand, model, and job site details. Our technical team will confirm the best SQ breaker match and provide a fast quote.
Open-Site or Heavy-Duty Work?
Also Available: SB Series Standard Breakers
Lower price, easier maintenance. 12 models for mining, quarrying, and open construction sites.
Need a Silent SOOSAN Breaker?
Tell us your excavator model and job site requirements — we'll recommend the right SQ breaker from SOOSAN HEAVY INDUSTRIES.
Get a Free Quote