Rotary screening bucket, also known as a rotary screen attachment, is a dedicated tool mounted directly on excavators or loaders. It delivers high-efficiency sorting and grading for soil, sand, aggregates, compost, and construction waste, covering core applications including river dredging, soil remediation, and aggregate separation.
Many job sites struggle with costly material transportation and inefficient manual sorting. A rotary screening bucket eliminates extra hauling steps, while it handles rugged mixed stone materials without extra fixed screening machines. It turns your excavator into a mobile grading station with zero extra power supply. It is a best-selling product under YG Machinery.
Complete Technical Parameters Of Excavator Screening Bucket For Sale
All data strictly follow factory original specifications, covering four models matching mini to heavy excavators, with detailed indexes as below:
| Model | YGS-9 | YGS-15 | YGS-25 | YGS-35 |
| Suitable Excavator | 5–9T | 10–15T | 16–25T | 26–40T |
| Weight | 500KG | 800KG | 1600KG | 2800KG |
| Bucket Capacity | 0.3m³ | 0.4m³ | 1.1m³ | 2m³ |
| Working Pressure | 20Mpa | 20Mpa | 20Mpa | 20Mpa |
| Recommended Flow Rate | 60L/min | 80L/min | 140L/min | 200L/min |
| Screen Size | 5–50 | 5–80 | 5–100 | 5–120 |
The rotary screening bucket covers the full tonnage demands of mainstream excavators. If you need flexible equipment for multiple project types, it offers complete model matching to satisfy small landscaping and large mine grading tasks.
Working Principle & Standard Operating Process Of Digger Screening Bucket
1. Core Working Principle
Driven by the excavator’s built-in hydraulic system, the internal drum rotates at high speed. Interchangeable wear-resistant screens on the drum wall combine centrifugal force and screening to separate the mixture according to particle size. Fine particles are collected through the screens, while excessively large coarse particles slide out through guide plates, thus achieving automatic waste removal and usable aggregate sorting of the rotary screening bucket.
2. Five-Step Standard Operating Flow
- Material Loading: Operators scoop raw mixed materials with the bucket like a standard digging attachment.
- Rotary Separation: After loading, powerful hydraulic motors drive the inner drum to spin, tumbling materials against internal screen meshes.
- Centrifugal Mixing & Screening: Continuous rotation fully stirs materials; particles smaller than mesh apertures pass through to become qualified finished materials.
- Large material interception: Large pieces of material that cannot pass through the screen are intercepted in the rotating inner cylinder of the rock screening bucket for the excavator.
- Material Discharge: After screening finishes, operators discharge fine-graded materials first, then adjust bucket posture to unload oversized blocks separately.
The equipment screening bucket delivers smooth, jam-free continuous sorting, requiring no frequent shutdown for material clearing.
Main Application Scenarios For Rotary Screening Bucket
This hydraulic attachment adapts to five mainstream construction and resource recovery projects:
- River dredging and silt cleaning
- Sand and stone aggregate separation
- On-site grading of construction demolition waste
- Sifting qualified backfill soil for earthwork projects
- Size classification of pebbles in mining yards
3 Core Competitive Advantages Of Excavator Screening Bucket For Sale
- Interchangeable screens for full working flexibility: Multiple wear-resistant mesh sizes ranging from 5mm to 120mm support quick disassembly and replacement. One unit fits diverse material sorting demands, greatly improving universal adaptability.
- Stable high-efficiency screening with low operation costs: Optimized drum structure prevents material jamming for steady high throughput. The machine features ultra-low failure rates; only simple cleaning and lubrication are required for daily maintenance to cut long-term running expenses.
- All-in-one integrated multi-functionality: Rotary screening bucket, directly installed on excavator arm ends without independent power sources. It completes digging, screening, and loading in one workflow, reducing extra equipment investment and boosting overall project efficiency.
This machine maximizes your excavator’s utilization rate and avoids renting separate fixed screening plants for temporary job sites.
Key Guidelines To Select A Suitable Rotary Screening Bucket
Four critical factors determine your matching model, all centered on stable long-term construction performance:
1. Compatibility with host excavator: This is the most vital step. Undersized buckets reduce production efficiency; oversized units overload the hydraulic system and threaten machine stability. Always match bucket tonnage to your carrier.
2. Required Screening Capacity and Output: For large, long-term projects, choose a digger screening bucket with a large-capacity bucket; compact, lightweight models are suitable for small, confined work areas.
3. Material type and mesh configuration: Abrasive rock and soil demand hardened steel screens; clay-heavy mud requires anti-clog drum and mesh designs to avoid frequent blockages.
4. Manufacturing quality and durability: High-quality heavy-duty construction raises reliability and extends service life, effectively cutting downtime and spare part replacement costs over the equipment’s lifespan.
Contact Us To Get Factory-Direct Quotation & Customized Solutions
Rising material transport fees and strict waste disposal regulations push contractors to adopt on-site mobile processing tools. Our full-series rotary screening bucket meets all small, medium, and large earthwork and waste recycling project demands. If you want complete model parameter sheets, customized mesh schemes, and factory ex-factory prices without middleman markup, send your inquiry to our professional sales team right now.
Our technical engineers provide one-stop matching suggestions based on your excavator tonnage, daily processing volume, and raw material types. We supply long-term wear-resistant spare parts and full after-sales guidance to avoid construction shutdown losses. Equipping your excavator with an excavator screening bucket for sale helps you cut overall project costs and win more construction orders.
