Hyundai HDB Series Rock Breakers: Powerful Excavator Attachments for Rock Breaking, Quarrying and Construction Projects in Bangalore Karnataka
Introduction to Hyundai HDB Series Rock Breakers
Breaking hard rocks, demolishing concrete structures and carrying out quarry operations require powerful and reliable construction equipment. For projects involving tough rock formations and demanding working conditions, choosing the right excavator attachment plays an important role in improving productivity and maintaining operational efficiency.
The Hyundai HDB Series Rock Breakers are designed to deliver powerful performance, advanced technology and exceptional durability across different rock-breaking applications. Developed for compatibility with various excavator weight classes, the HDB Series offers multiple breaker models to suit different machine sizes and job requirements.
Whether the requirement involves granite breaking, limestone excavation, quarry development, road construction, trenching or concrete demolition, Hyundai HDB Series Rock Breakers offer a range of configurations to match different applications.
For construction companies, quarry operators, infrastructure developers and mining contractors looking for a reliable hydraulic rock breaker in Bangalore, Karnataka, the Hyundai HDB Series is worth considering.
Hampi Equipments LLP, an authorized dealer for Hyundai Construction Equipment in South Karnataka, supports customers looking for Hyundai excavators and compatible construction equipment attachments.
What Is a Hyundai Hydraulic Rock Breaker?
A hydraulic rock breaker is an excavator attachment used for breaking hard materials such as rocks, concrete, pavement and other solid surfaces. It operates using hydraulic power supplied by the excavator and transfers repeated impact energy through a chisel or tool to break the material.
The Hyundai HDB Series is a range of hydraulic breakers developed for different excavator weight classes and working requirements.
How Does a Hydraulic Rock Breaker Work?
The breaker uses hydraulic oil supplied by the excavator to operate its internal mechanism. The hydraulic system drives the piston, which delivers repeated impacts to the chisel. These impacts help fracture hard materials and make them easier to remove.
The performance of a hydraulic rock breaker depends on suitable excavator compatibility, hydraulic oil flow, working pressure, chisel selection and application conditions.
Why Choose the Hyundai HDB Series?
The Hyundai HDB Series combines several design and technology features intended to support performance and durability.
Powerful breaking performance.
Advanced seal technology.
Larger diameter tie-bolts.
Durable box housing design.
Large-diameter chisels.
Anti-Blank Firing (ABF) technology on specified models.
Total Power Control (TPC) system.
Optional automatic greasing system.
Multiple chisel configurations for different applications.
Hyundai HDB Series Rock Breaker Models and Excavator Compatibility
One of the important advantages of the Hyundai HDB Series is the availability of different breaker models designed for different excavator weight classes.
Selecting the correct breaker according to the excavator’s operating weight and hydraulic requirements is essential for suitable attachment performance.
Complete Hyundai HDB Series Model Range
The Hyundai HDB Series brochure provides seven models, ranging from compact breakers to heavy-duty breakers for larger excavators.
Rock Breaker Model | Suitable Excavator Weight |
|---|---|
HDB30 | 2–4 Ton |
HDB70 | 5–8 Ton |
HDB145 | 10–15 Ton |
HDB215 | 18–25 Ton |
HDB230 | 18–25 Ton |
HDB300 | 26–32 Ton |
HDB500 | 40–50 Ton |
HDB30 Rock Breaker for Compact Excavators
The Hyundai HDB30 is the compact model in the HDB Series. According to the brochure, it is suitable for excavators in the 2–4 ton weight class.
Key specifications
Operating weight: 180 kg
Chisel diameter: 53 mm
Chisel length: 570 mm
Working pressure: 80–120 bar
Oil flow: 25–45 LPM
Blow rate: 600–1,100 BPM
HDB70 Rock Breaker for Mini Excavators
The Hyundai HDB70 is designed for the 5–8 ton excavator weight class. It is suitable for applications requiring a compact hydraulic breaker configuration.
Key specifications
Operating weight: 431 kg
Chisel diameter: 78 mm
Chisel length: 806 mm
Working pressure: 100–140 bar
Oil flow: 45–80 LPM
Blow rate: 350–850 BPM and 450–1,100 BPM, depending on speed setting.
HDB145 Rock Breaker for 10–15 Ton Excavators
The Hyundai HDB145 is developed for the 10–15 ton excavator weight category. Its specifications make it a suitable model to consider for applications involving rock breaking, concrete breaking and pavement work.
Key specifications
Operating weight: 959 kg
Chisel diameter: 105 mm
Chisel length: 975 mm
Working pressure: 120–160 bar
Oil flow: 90–110 LPM
Blow rate: 350–550 BPM and 500–750 BPM, depending on speed setting.
HDB215 Rock Breaker for 18–25 Ton Excavators
The Hyundai HDB215 is designed for the 18–25 ton excavator weight category. It offers a larger chisel diameter and specifications intended for demanding rock-breaking applications.
Key specifications
Operating weight: 1,817 kg
Chisel diameter: 135 mm
Chisel length: 1,300 mm
Working pressure: 130–170 bar
Oil flow: 110–160 LPM
Blow rate: 350–500 BPM and 450–600 BPM, depending on speed setting.
HDB230 Rock Breaker for 18–25 Ton Excavators
The Hyundai HDB230 is another breaker option in the 18–25 ton excavator weight class. It has a 140 mm chisel diameter and a different oil-flow and impact-rate specification compared with the HDB215.
Key specifications
Operating weight: 1,777 kg
Chisel diameter: 140 mm
Chisel length: 1,250 mm
Working pressure: 130–180 bar
Oil flow: 130–170 LPM
Blow rate: 250–400 BPM and 350–500 BPM, depending on speed setting.
HDB300 Rock Breaker for Heavy-Duty Excavators
The Hyundai HDB300 is designed for excavators in the 26–32 ton weight class. It is intended for larger-scale rock-breaking requirements.
Key specifications
Operating weight: 2,832 kg
Chisel diameter: 150 mm
Chisel length: 1,400 mm
Working pressure: 140–180 bar
Oil flow: 180–250 LPM
Blow rate: 200–350 BPM and 300–480 BPM, depending on speed setting.
HDB500 Rock Breaker for Mining Excavators
The Hyundai HDB500 is the largest model listed in the HDB Series brochure. It is designed for the 40–50 ton excavator weight class.
Key specifications
Operating weight: 3,713 kg
Chisel diameter: 165 mm
Chisel length: 1,650 mm
Working pressure: 140–180 bar
Oil flow: 200–280 LPM
Blow rate: 200–300 BPM and 300–450 BPM, depending on speed setting.
Advanced Technology and Features of Hyundai HDB Rock Breakers
The Hyundai HDB Series incorporates multiple design improvements intended to support reliable operation, component protection and durability.
1. Larger Diameter Tie-Bolts
The HDB Series features larger-diameter tie-bolts designed to support high performance and optimum durability.
This design improvement helps provide a robust breaker assembly for demanding working conditions.
2. Improved Hydraulic Hose Connections
The inlet and outlet port connecting hoses have been upgraded from split-flange type connections to a new adapter-type design.
The purpose of this improvement is to help prevent bolt breakage and oil leakage
3. Durable Box Housing Design
The breaker incorporates changes to the box housing to provide additional durability.
The housing design is an important consideration for attachments exposed to repeated impact and demanding working environments.
4. Large-Diameter Chisel
The HDB Series features large-diameter chisels designed for increased strength and durability.
The appropriate chisel should be selected according to the material being broken and the application.
5. Advanced Seal System
Hyundai uses NOK seals in the HDB Series to support longer seal life.
For models HDB215 and above, an additional square buffer seal helps improve the durability of the gas seals, step seals and piston.
The buffer seal also helps minimise piston vibration inside the housing.
6. Anti-Blank Firing (ABF) System
The Anti-Blank Firing system is an important technology feature of the HDB Series.
The brochure specifies ABF as standard on models HDB70 to HDB500.
How Does the ABF System Work?
When the auto-control valve is switched on, breaker operation automatically starts once there is a small amount of pressure under the chisel.
It automatically stops when the chisel is lifted after breaking or when there is no material below the chisel.
This system helps protect the chisel points, bolts and front heads from blank firing.
7. Total Power Control (TPC) System
The HDB Series incorporates a Total Power Control system.
Two-Stroke Selector System
The two-stroke selector allows users to change between long-stroke and short-stroke operation according to the performance requirements of the application.
The brochure specifies the selector location as follows:
HDB70 to HDB145: Located on the cylinder.
HDB215 to HDB300: Located on the valve case.
8. Automatic Greasing System
Proper lubrication is important for the maintenance of hydraulic rock breakers.
The HDB Series offers an optional automatic greasing system.
Benefits of Automatic Greasing
Automatically greases several times a day.
Eliminates the need for manual greasing.
Contributes to longer tool life, especially for chisels.
Does not require extra drive power.
The bracket-mounted auto-grease system is listed as available for breaker models HDB145 to HDB800 in the brochure.
Hyundai Rock Breaker Chisel Types and Their Applications
Selecting the right chisel is important because different materials and working conditions require different tool configurations.
Moil Type Chisel
The moil-type chisel is listed for:
Concrete breaking.
Rock breaking.
Pavement breaking.
Slope-related applications.
Wedge Type Chisel
The wedge-type chisel is listed for:
Trenching.
Slopes.
Finishing applications.
Blunt Type Chisel
The blunt-type chisel is listed for:
Quarry applications.
Rock-breaking requirements.
Conical Type Chisel
The conical-type chisel is listed for:
Concrete breaking.
Rock breaking.
Pavement applications.
Choosing the Correct Chisel for Different Rock Types
According to the Hyundai brochure, the recommended combinations include:
Rock Classification | Rock Type | Recommended Breaker | Recommended Chisel |
|---|---|---|---|
Hard rock | Basanite, granite, diabase | HDB145–HDB500 | Blunt, wedge |
Soft rock | Sandstone, limestone, coal | HDB70–HDB500 | Moil, wedge, conical |
The final chisel selection should be based on the actual material conditions and working application.
