Construction sites generate mixed materials. Excavated soil contains rocks and debris. Demolition waste mixes concrete with rebar. River dredging brings up sand, gravel, and silt. Separating these materials traditionally requires dedicated screening equipment and additional handling.
A rotary screening bucket is a hydraulic-driven excavator attachment fitted with a rotating drum structure; it sorts mixed materials by grain size directly on construction sites through centrifugal rotation and mesh filtering. It handles river dredging sand separation, construction waste sorting, backfill soil grading and pebble classification for quarry sites. YG prepares six model variants matching excavators ranging from 1.5 tons up to 38 tons, all mini excavator screening bucket work relying on excavator hydraulic output without extra independent power supply, and supports replaceable screening meshes from 5mm to 120mm for diversified grading demands.
Rotary Screening Bucket Technical Specifications
| Model Number | Applicable Tonnage of Excavator(T) | Operating Flow(L/min) | Working Pressure(Mpa) | Self Weight(Kg) | Number of Revolutions Per Minute(RPM) |
| YG01 | 1.5-3 | 20 | 10-12 | 158 | 35 |
| YG02 | 3.5-5.5 | 30 | 10-12 | 245 | 60 |
| YG08 | 6-10 | 45 | 12-15 | 530 | 65 |
| YG012 | 11-18 | 65 | 15-18 | 1020 | 65 |
| YG016 | 19-28 | 80 | 18-22 | 1920 | 65 |
| YG018 | 29-38 | 150 | 18-22 | 2430 | 65 |
Advantages of Rotary Screening Bucket
- Quickly replaceable screening mesh design: Standard meshes cover 5mm to 120mm aperture sizes; operators detach and replace worn meshes without complex professional tools; customized mesh specifications are also available for special material grading requirements. One single unit adapts to multiple project materials including fine silt, medium gravel and coarse stone mixtures.
- Smooth drum operation with low failure rate: Optimized internal drum structure avoids material jamming during continuous rotation; daily maintenance only requires regular cleaning of residual debris and lubrication of rotating joints. Stable RPM output keeps uniform screening efficiency for long daily working hours.
- Integrated three-process working mode: The attachment mounts directly on the excavator arm; operators complete material digging, grading, screening and bulk loading with one machine setup. This integrated workflow removes the need for extra stationary screening equipment on site and simplifies overall job site layout planning.
Contractors that take frequent mixed earthwork orders value mesh flexibility most when purchasing a screening bucket for excavator. Small landscaping contractors focus on compact dimensions and easy maintenance when selecting a mini excavator screening bucket for residential site renovation work. Rental suppliers check mesh compatibility and component durability first when evaluating options listed as an excavator screening bucket for sale.
Detailed Application Scenarios Across Different Project Types
The equipment fits a wide range of engineering and environmental treatment projects, sorted by mainstream operation categories below:
- River and waterway maintenance projects: It separates silt, sand and pebbles during river dredging, filters usable sandy materials for local backfill and cuts waste disposal volume.
- Urban construction waste treatment: It sorts crushed building debris to separate reusable gravel from fine soil and impurities for on-site resource recycling.
- Land development and backfill work: It grades excavated soil to remove stones and rubble before backfilling trenches and building foundation pits.
- Quarry and stone yard processing: It classifies pebbles and broken stones by particle size for subsequent stockpiling and further processing.
- Landscaping and site reclamation: It cleans rocky soil to produce fine planting soil for green space construction and land restoration jobs.
Mesh Selection: Matching the Screen to the Material
The YG series rotary screening bucket accepts interchangeable mesh from 5mm to 120mm. This range covers most screening applications in construction, mining, and environmental remediation.
Fine mesh (5-20mm)
Fine mesh suits topsoil screening, sand separation, and compost processing. It removes stones, roots, and debris from soil, producing clean material for landscaping and planting. For operators screening topsoil on residential projects, fine mesh delivers the clean fill material needed for lawns and gardens.
Medium mesh (20-50mm)
Medium mesh handles gravel separation, aggregate screening, and general construction debris. It separates usable aggregate from oversized rock and concrete fragments. For road base preparation, medium mesh produces material that meets spec without additional screening.
Coarse mesh (50-120mm)
Coarse mesh suits primary screening of demolition waste, rock quarry material, and heavy construction debris. It removes large boulders and oversize concrete from the usable material stream. For demolition contractors processing mixed debris on site, coarse mesh quickly separates rebar-laden concrete chunks from clean fill.
Mesh changeover process
Changing mesh on the YG series is straightforward. The operator removes the retaining hardware, slides off the existing mesh, and installs the new mesh. This process takes minutes, allowing the operator to switch between screening requirements without leaving the job site.
Frequently Asked Questions About Rotary Screening Bucket
A: The YG series covers 1.5 to 38-ton excavators. The YG01 fits 1.5-3 ton machines. The YG018 fits 29-38 ton excavators. Match the model to your excavator’s size and hydraulic capacity.
A: Mesh ranges from 5mm to 120mm. Different mesh sizes suit different applications: fine mesh (5-20mm) for topsoil and sand, medium mesh (20-50mm) for gravel and aggregate, coarse mesh (50-120mm) for demolition and quarry material.
A: Remove the retaining hardware, slide off the existing mesh, and install the new mesh. The process takes minutes and does not require special tools.
A: The bucket screens topsoil, sand, gravel, crushed rock, demolition debris, dredged material, compost, and landfill cover material. It handles a wide range of materials across construction, mining, and environmental applications.
A: Yes. The higher rotation speeds (60-65 RPM) provide centrifugal force that breaks up clumps and pushes material through the mesh. This makes the bucket effective in wet clay and muddy conditions that would clog slower drums.
Excavator Screening Bucket For Sale
YG provides the complete lineup of rotary screening bucket covering six specifications matched for 1.5 to 38-ton excavators, with standard and customized mesh aperture options for earthwork dredging, construction waste sorting and quarry material grading projects. Our technical team offers targeted model selection advice based on your excavator tonnage, main screened materials and on-site working conditions.
Contact us with your excavator model and screening requirements. We will recommend the right model for your operation. Get a free quote for your excavator screening bucket for sale today.
