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China Box Silenced Hydraulic Rock Breaker for excavator for sale Manufacturers, Companies

Box Silenced Hydraulic Breakers one of the most popular types of hydraulic breakers. It is selected for low noise, saving energy, and protecting the environment.

HuiDa has a full range of Hydraulic Breakers for excavators from 0.8-25 tonne. They are suitable for all kinds of brands and models of excavators.


Main Advantages of HD Hydraulic Breaker:

1.Best cylinder;

2.High quality NOK oil seal;

3.Full-closed housing to protect the main body;

4.Strong impact;

5.Longer lifetime of usage.

Product Description

Product Parameters
Model Unit HD400 HD450 HD530 HD680 HD750 HD850 HD1000 HD1350A HD1400A HD1500 HD1550 HD1650 HD1750 HD1850 HD1950
Suitable Excavator Weight ton 0.8-2.5 1.2-3.0 2.5-4.5 4.0-7.0 6.0-9.0 7.0-14.0 11-16 18-26 18-26 27-35 28-35 30-40 36-40 40-55 45-60
Chisel Diameter mm Φ40 Φ45 Φ53 Φ68 Φ75 Φ85 Φ100 Φ135 Φ140 Φ150 Φ155 Φ165 Φ175 Φ185 Φ195
Operating weight (Side) kg 70 90 120 250 380 510 765 1462 1795 2144 2413 2650 3788 4516 5213
Height mm 1135 1213 1317 1620 1899 2161 2316 2813 2813 3063 3115 3275 3556 3852 3986
Required oil flow l/min 15-30 20-40 25-50 40-70 50-90 60-100 80-110 130-150 120-180 160-180 200-240 220-260 260-280 260-300 280-310
Operating pressure bar 90-120 90-120 90-120 110-140 120-150 130-160 150-170 160-180 160-180 160-180 160-180 180-200 220-260 240-280 240-300
Impact Rate bpm 800-1400 700-1200 600-1100 500-900 400-800 400-800 350-700 350-600 350-500 300-450 300-450 200-350 200-350 200-250 180-200
Product Description

The Box Silenced Hydraulic Rock Breaker is a high-performance attachment designed for excavators. It incorporates advanced silent buffer modules compared to traditional vertical crushers to significantly reduce noise pollution during operation. Beyond its acoustic advantages, it offers low maintenance costs and exceptional wear resistance.

Specializing in the research, development, and production of renewable resource equipment and excavator accessories, our products have obtained nearly 40 invention patents. Every unit undergoes rigorous quality control from component procurement to final delivery, meeting ISO9001 quality management system standards.

We maintain a comprehensive management system covering quality, safety, and environmental protection to ensure timely and high-quality delivery. By establishing long-term partnerships with leading raw material suppliers, we ensure project schedules and product integrity at the source. Our business philosophy focuses on providing attentive service and keeping customer needs at the center of development.

Key Features
  • Easy to locate and control
  • Highly conducive to excavation
  • Lightweight design reduces drill rod breakage risk
  • Optimized high-performance cylinder
  • High-quality NOK oil seals for durability
  • Full-closed housing protects the main body
  • Strong impact power for tough materials
  • Extended operational service life
Frequently Asked Questions (FAQ)
What is a Box Silenced Hydraulic Rock Breaker?
It is a type of hydraulic breaker enclosed in a full housing. This design includes buffering materials that significantly reduce noise and vibration during demolition work.
How do I choose the correct model for my excavator?
Selection is primarily based on your excavator's weight and oil flow capacity. Refer to the Product Parameters table above to match your machine's tonnage with the suitable HD model.
What are the benefits of the "Box" type over "Side" or "Top" types?
The box-type (silenced) breaker offers better noise control, protects the internal components from dust and debris via the closed housing, and reduces the risk of vibration damage to the excavator arm.
Are high-quality seals used in these breakers?
Yes, all units are equipped with high-quality NOK oil seals, which are industry-standard for preventing leaks and ensuring long-term reliability under high pressure.
Can these breakers handle extreme demolition tasks?
Absolutely. With impact power ranging up to 18,500 joules and a robust chisel design, these breakers are built for heavy-duty rock breaking, concrete demolition, and mining applications.
Does the breaker require complex maintenance?
The design focuses on low maintenance costs. Regular greasing of the chisel and monitoring of the nitrogen levels in the back head are the primary requirements to ensure optimal performance.

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