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Help CenterExcavator Heavy‑Duty Rock Bucket for Stone Digging Quarry Construction
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As a professional manufacturer from Changsha Mingyi Machinery Equipment Co., Ltd. located in Changsha, Hunan, China, we take pride in offering the Excavator Heavy-Duty Rock Bucket for Stone Digging Quarry Construction. This bucket is engineered to withstand the toughest conditions in quarries, mining sites, and heavy construction projects. With over 10 years of experience in manufacturing excavator attachments, we combine advanced welding technology and premium materials to deliver a product that maximizes productivity and longevity.
Our heavy-duty rock bucket is built with Hardox 400 steel or optional Q345B steel, ensuring superior wear resistance and structural integrity. The bucket design features reinforced double bottom plates, heavy-duty side cutters, and bolt-on or weld-on rock teeth that provide exceptional digging force in hard rock, granite, limestone, and other abrasive materials. Whether you are working on quarry stone digging, road construction, or demolition, this bucket will help you achieve higher efficiency and lower operating costs.
Product Features & Advantages
High-Strength Material: Manufactured from Hardox 400 steel for excellent impact resistance and abrasion resistance. Optional Q345B steel for cost-effective applications.
Reinforced Structure: Double bottom plate, reinforced side walls, and heavy-duty cross bars prevent deformation under extreme loads.
Wear-Resistant Teeth: Equipped with high-manganese steel rock teeth (bolt-on or weld-on) that deliver superior penetration in hard rock.
Side Protectors: Integrated side cutters and wear plates protect the bucket shell from premature wear.
Optimized Bucket Geometry: Curved bottom profile reduces resistance and improves material flow, increasing fill factor and reducing cycle time.
Customizable Options: Bucket width, capacity, tooth type, pin ears dimensions, and color can be customized to fit your specific excavator model and application.
Easy Installation: Standard pin connections compatible with major excavator brands (Caterpillar, Komatsu, Hitachi, Volvo, Kobelco, SANY, XCMG, etc.).
Technical Specifications (Typical Size Range)
| Parameter | Value |
|---|---|
| Excavator Tonnage | 5 – 50 ton |
| Bucket Capacity (SAE) | 0.3 – 3.0 m³ |
| Bucket Width | 400 – 1800 mm |
| Weight | 200 – 2000 kg |
| Material Thickness (Bottom) | 20 – 40 mm |
| Material Thickness (Side) | 12 – 25 mm |
| Tooth Type | Bolt-on or weld-on, high manganese steel |
| Color | Yellow / Black / Custom |
Why Choose Changsha Mingyi Heavy-Duty Rock Bucket?
Factory Direct Pricing: We are a manufacturer with our own factory, eliminating middleman costs to offer competitive prices.
Experienced Team: Over a decade of expertise in designing and producing excavator attachments for global markets.
Strict Quality Control: Each bucket undergoes welding inspection, hardness testing, and dimensional verification before shipment.
Global Customer Base: Our products have been exported to Southeast Asia, Africa, South America, and the Middle East, earning satisfaction from contractors and mining companies.
Fast Delivery: Standard sizes ship within 15-25 days; custom orders within 30-45 days.
With an annual production capacity of over 5,000 units, Changsha Mingyi Machinery Equipment Co., Ltd. is your reliable partner for heavy-duty excavator attachments. We have served more than 300 customers worldwide and maintain a 98% on-time delivery rate. Our technical team is always ready to assist you in selecting the right bucket for your excavator model and working conditions.
Contact us today for a quote or technical support. We offer free consultation and can provide drawings customized to your machine. Invest in a rock bucket that delivers real performance and durability—choose Changsha Mingyi.
Frequently Asked Questions (FAQ)
Q: What excavator models is this rock bucket compatible with?
A: Our heavy-duty rock buckets are available with standard pin configurations that fit most major brands (Caterpillar, Komatsu, Hitachi, Volvo, Kobelco, SANY, XCMG, etc.). We also offer custom pin ears and bushing dimensions to match non-standard machines.Q: Can the bucket capacity be customized for my specific job?
A: Yes, we can adjust capacity, width, and depth according to your excavator tonnage and material density. Please provide your machine model and desired capacity, and we will recommend the optimal size.Q: What is the difference between bolt-on teeth and weld-on teeth?
A: Bolt-on teeth are easier to replace and allow quick changes on site, while weld-on teeth offer stronger attachment for extremely abrasive conditions. Both options are available and can be mixed as needed.Q: How long does the bucket last in hard rock applications?
A: Service life depends on material hardness, operator technique, and maintenance. With proper use and regular tooth replacement, our Hardox 400 buckets typically last 2000-4000 hours in granite or basalt quarries.Q: Do you provide a warranty?
A: Yes, we offer a standard 12-month warranty against manufacturing defects. Extended warranty options are available upon request.Q: What is the lead time for a custom bucket?
A: Standard sizes are usually shipped within 15-25 working days. Custom orders (including special dimensions, colors, or tooth configurations) require 30-45 working days, including design and production.Q: How do I know which bucket size fits my excavator?
A: You can check your machine's manual for maximum bucket capacity and weight. Alternatively, send us your excavator model and we will provide a matching recommendation. We also supply installation drawings for approval before production.Q: Is the bucket painted to prevent rust?
A: Yes, all buckets are sandblasted, primed with anti-corrosion paint, and finished with a durable two-component polyurethane topcoat. Color customization is available.
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