Your Professional Dredger Manufacturers
Shandong Sinosail Dredging Equipment Co., Ltd., located in Qingzhou City, Shandong Province, is a professional manufacturer and supplier of dredging vessels and mining equipment. We specialize in research, development, design, production, installation, commissioning, and personnel services, providing comprehensive solutions for clients worldwide.
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ZHCSD-650 Hydraulic Cutter Suction Dredger – 6000 M³/hZHCSD is a hydraulic cutter suction dredger with a slurry flow rate of 6000 m³/h, covering the ZHCSD650 series specifications. The dredger integrates dredging, transport, and discharge into a single
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River Dredging DredgerThis River Dredging Dredger is ZHCSD‑450, with 3000 m³/h water flow, total power 993kw, output distance 1500m, dredging depth 15m. Designed for medium‑large inland water projects, it delivers stable
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Backhoe Dredging VesselThe Hydraulic Backhoe Dredger is designed for precise dredging and excavation in rivers, ports, harbors, and coastal areas. Equipped with a hydraulic excavator and backhoe bucket, it efficiently
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Bucket Wheel Suction DredgerThe bucket wheel dredger is designed for continuous underwater excavation of sand, clay, and other sediments. Its rotating bucket wheel mechanically cuts and collects material from the riverbed or
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Multifunctional Amphibious DredgerThis multifunctional amphibious dredger integrates dredging, excavation, desilting, and reclamation into one machine, designed to operate flexibly in water, tidal flats, swamps, shallow areas, and on
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Amphibious DredgerThis Amphibious Dredger is a multifunctional dredging machine designed for shallow water, wetlands, rivers, and marsh areas. Equipped with an amphibious floating system and hydraulic working
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Cutter Suction Gold Mining DredgerThis Cutter Suction Gold Mining Dredger/// is ZHCSD-650, with 6000 m³/h pump capacity, cutter head 500kw, pumping distance 2000m, dredging depth 18m. This model dredger is one of the best popular
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Cutter Suction DredgersThis cutter suction dredger is ZHCSD-650, with 6000 m³/h pump capacity, cutter head 500kw, pumping distance 2000m, dredging depth 18m. This model dredger is one of the best popular dredger for
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Cutterhead Suction DredgesShandong SINOSAIL (ZHD)cutterhead suction dredger is dismountable and can be easily transported to any location. With its robust design, it is the preferred choice in its class due to low
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Backhoe DredgerA Backhoe Dredger is a mechanical dredging vessel equipped with a hydraulic excavator mounted on a pontoon or barge. It is designed for precise excavation of sediment, rock, and debris in rivers,
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Bucket Wheel DredgerA Bucket Wheel Dredger is a mechanical dredging vessel equipped with a rotating wheel fitted with multiple buckets, designed to excavate and continuously remove soil or sediment from riverbeds,
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Amphibous ExcavatorAmphibious excavator is a multipurpose machine integrated with dredging , raking and pilling and widely used in shallow waterways, environment applications, pond maintenance and recovering of
Why Choose Us
Eco-Friendly and Energy-Efficient Design
Our equipment is designed with sustainability in mind. We focus on reducing environmental impact and energy consumption while maintaining high operational efficiency.
Our Certificate
We hold a Class III Grade Two ship production license from CCS China Classification Society, are ISO9001 certified, and own 30+ patents. Our products are also certified by SGS and BV, earning high praise from domestic and international customers for quality and reliability.
Advanced Solutions
We provide tailored designs based on project requirements, focusing on efficiency and operational reliability. Our engineers work closely with clients to ensure the equipment meets real-world dredging needs.
Our Service
We provide customized design, professional installation, and free training for our customers. With long-term after-sales agreements, warranty repairs, and affordable accessories, we ensure reliable and continuous support.
Benefits of Dredger
Efficiency in Removing Large Volumes of Sediment
One of the most significant advantages of a dredger boat is its ability to handle high volumes of sediment removal in a short period. Equipped with powerful pumps, cutterheads, or bucket systems, these vessels can operate continuously and reach depths that would be impractical for land-based equipment.
Versatility Across Freshwater and Marine Environments
Whether working in a shallow pond, an inland river, a coastal estuary, or an open harbor, a dredge boat can be configured to meet specific site demands. Different types of dredger boats—such as cutter suction dredgers, trailing suction hopper dredgers, or amphibious units—enable adaptation to varying water depths, sediment types, and access conditions.
Reduced Manual Labor and Faster Project Timelines
Deploying a dredger boat significantly reduces the need for manual sediment handling. The automation of digging, suction, and material transport streamlines the entire dredging process, resulting in faster project completion and lower labor costs.
Access to Difficult or Shallow Areas with Compact Dredge Boats
In areas where traditional marine or land-based equipment cannot operate, such as marshes, narrow canals, or sediment-choked ponds, compact dredge boats provide a viable solution.

The structure of a dredge may vary based on its type, but most dredges share several fundamental components
Cutter Head or Bucket: These are used to loosen the sediment at the bottom. Mechanical dredges typically use buckets or scoops, while hydraulic dredges often feature a rotating cutter head to break up compacted material. The cutter head is a vital part of what is a dredge boat’s operation.
Pump and Suction System: In hydraulic dredges, pumps create suction to draw sediment and water through the intake. The mixture, called slurry, is then transported through pipelines for disposal.
Pipeline or Discharge System: Once the slurry is collected, it is transported through a pipeline to a designated disposal area, which could be on land, at sea, or in a containment facility. A hopper dredge is particularly efficient in this process, as it can quickly transport dredged material to disposal sites without assistance, enhancing productivity in deep water and expansive environments.
Additional Components: Depending on the dredge type, additional parts may include spuds for anchoring, floating platforms, or stabilizing structures to ensure the dredge remains in position.
Application of Dredger
Flood Control and Levee Management
Sediment buildup in drainage basins and levee systems can restrict water flow and increase the risk of flooding. Dredger boats are used to clear these obstructions, helping maintain the designed capacity of flood control infrastructure. In areas prone to heavy rainfall or river overflow, regular dredging is a proactive measure to mitigate flood damage.
Mining and Land Reclamation
In the mining sector, dredge boats are used to extract valuable materials, such as sand, gravel, and minerals, from submerged deposits. Additionally, they are critical in land reclamation projects where dredged material is used to build up shorelines or create new land areas. These applications often involve high-powered dredger boats with specialized pumps and discharge systems.
Navigational Channel Maintenance
One of the primary uses of a dredger boat is to maintain clear and navigable waterways. Over time, sediment naturally accumulates in rivers, canals, and shipping channels, reducing depth and posing hazards to vessel traffic. Regular dredging ensures that commercial and recreational ships can move safely and efficiently, preventing delays and costly incidents.
Port and Harbor Dredging
Ports and harbors must remain deep enough to accommodate large vessels and frequent traffic. A dredge boat is used to remove silt, sand, and debris from these areas, supporting smooth cargo operations and dock access. Maintenance dredging also helps protect infrastructure, such as quay walls, piers, and berths, from sediment buildup and erosion.
Lake and Pond Restoration
In smaller bodies of water, such as lakes, ponds, and reservoirs, sediment accumulation can negatively impact water quality, increase nutrient loads, and disrupt local aquatic ecosystems. A compact dredger boat is often deployed to remove organic sludge and restore natural depth profiles. These projects support habitat improvement, recreational use, and long-term ecological health.
Product Specifications
|
Item |
ZHJSD100 |
ZHJSD200 |
ZHJSD300 |
ZHJSD400 |
ZHJSD500 |
ZHJSD650 |
|
Length overall |
11.0m |
13m |
15m |
20m |
25m |
30m |
|
Max. capacity |
100m³/h |
160m³/h |
240m³/h |
440m³/h |
700m³/h |
1000m³/h |
|
Engine power |
55kW |
75kW |
120kW |
456kW |
582kW |
895kW |
|
Sand suction pump |
8'/6' |
10'/8' |
12'/10' |
16'/14' |
20'/18' |
28'/24' |
|
Jet pump power |
22kW |
37kW |
55kW |
75kW |
110kW |
185kW |
|
Dredging depth |
9m |
11m |
13m |
16m |
17m |
18m |
|
Water flow |
500m³/h |
800m³/h |
1200m³/h |
2200m³/h |
3500m³/h |
5000m³/h |
|
Hull draft |
0.6m |
0.7m |
0.7m |
0.8m |
1.2m |
1.5m |
Customization Process
Communication Needs
Custom size can be tailored to meet specific customer requirements. Please provide your customization concepts and detailed specifications for further discussion.
Production Execution
Following the confirmed design, we implement meticulous production processes with strict quality control at every stage, ensuring consistency and precision before proceeding to mass production.
Quality Inspection and Packaging
Upon completion of the product, a comprehensive three-stage inspection process is conducted to ensure quality standards are met. Subsequently, the products are packaged in accordance with your specified requirements.
Package
Packing according to export mode (By air/sea)
If you have specific requirements for packaging, please let me know when you make an inquiry.
Shipping
We have experienced forwarder(DHL,FEDEX,UPS,TNT...) agency to shipment,so the most competitive price can be supplied if you're prefer.
You can select what you appointed courier to shipment.

FAQ
Shandong Sinosail Dredging Equipment Co., Ltd. is one of the most reliable dredger manufacturers and suppliers in China, also supports customized service. Please feel free to buy advanced dredger in stock here and get pricelist from our factory. Quality products and low price are available.
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