The excavator dredge pump, also known as excavator mounted dredge pumps and professional excavator dredge attachment, is a hydraulic-driven dredging tool specially designed and installed on excavators for underwater sand pumping, silt removal and sediment transportation. Unlike traditional fixed electric dredge pumps or small floating dredgers, this excavator-mounted dredging device uses the excavator’s own hydraulic system as power source, requiring no external power supply, no diesel generator and no complex pipeline layout. It can follow the excavator to move freely, flexibly adjust working depth and pumping position, and perform continuous high-flow sand pumping and sludge cleaning. It is widely used in river dredging, reservoir desilting, port cleaning, channel renovation, pond sediment removal and offshore shallow water sand extraction. If you are interested, please contact YG immediately for more information.
Excavator Dredge Pump Parameter
| Serial No. | Model | Flow m3/h | Lift(m) | Matching Agitator | Stirrer Torque | Excavator Tonnage |
| 1 | YG200-15 | 200 | 15 | 5.5KW | 1556 | 10T-20T |
| 2 | YG150-30 | 150 | 30 | |||
| 3 | YG300-20 | 300 | 20 | |||
| 4 | YG400-10 | 400 | 10 | 7.5KW | 1946 | 20T-30T |
| 5 | YG500-15 | 500 | 15 | |||
| 6 | YG250-35 | 250 | 35 | |||
| 7 | YG300-30 | 300 | 30 | 15KW | 2433 | 30T-40T |
| 8 | YG400-30 | 400 | 30 | |||
| 9 | YG400-40 | 400 | 40 |
Working Principle of Excavator Dredge Pump
1. Hydraulic Power Driving Principle
The excavator dredge pump relies entirely on the excavator’s auxiliary hydraulic system. The high-pressure hydraulic oil output from the excavator drives the internal hydraulic motor of the pump body, converting hydraulic power into high-speed mechanical rotation force. This principle replaces traditional electric and diesel drive, ensuring stable power output while achieving synchronous operation with the excavator.
2. Underwater Cutting and Mixing Principle
The bottom of the dredge pump is equipped with high-strength wear-resistant stirring impellers. When working underwater, the rotating impellers stir and loosen hardened sediment, accumulated sand and thick sludge on the river bottom, preventing material compaction and blockage. It mixes solid sand, mud and water into uniform fluid mud, creating conditions for smooth pumping.
3. High-Pressure Centrifugal Pumping Principle
After the sediment is fully mixed, the high-speed rotating centrifugal pump core generates strong negative pressure and water flow pressure. It continuously sucks the mud-water mixture into the pump body and discharges it to the designated position through the conveying pipeline. This realizes continuous underwater suction, transportation and stacking of sediment.
4. Adaptive Depth Working Principle
As a fully underwater excavator dredge attachment, the whole pump body can be completely submerged in water. Operators control the excavator arm to adjust pumping depth, angle and horizontal position at will, realizing dead-angle-free dredging in shallow water, deep water and uneven riverbed terrain.
Core Features of Excavator Dredge Pump
1. No External Power Supply Required
Different from traditional electric dredge pumps, excavator mounted dredge pumps use the excavator’s hydraulic power. They need no cables, no generators and no power supply access, greatly improving construction flexibility and adapting to remote field operation environments.
2. Strong Dredging Capacity and High Flow Rate
The hydraulic drive provides stable and powerful torque. The equipment can pump high-concentration mud, sand and gravel mixture, effectively avoiding pump blockage. It supports long-distance pipeline transportation, greatly improving daily dredging output compared with ordinary small dredge equipment.
3. Excellent Wear Resistance and Long Service Life
The pump body, impeller and flow passage are made of high-chromium wear-resistant alloy materials. These parts can resist long-term impact and friction of sand, gravel and sediment. Even working in harsh environments with many impurities, the excavator dredge pump maintains stable performance and reduces replacement frequency of vulnerable parts.
4. Ultra-High Flexibility and Mobility
Installed on the excavator arm, the excavator dredge attachment can move, rotate and adjust the working position freely with the excavator. It can enter narrow channels, small ponds, urban river trenches and shallow water areas where large dredgers cannot reach, with extremely strong site adaptability.
5. Simple Installation and Easy Operation
The whole attachment features plug-and-play hydraulic connection. No complicated transformation or professional debugging is needed. Ordinary excavator operators can quickly master pumping depth, flow control and pipeline docking skills, reducing training time and labor costs.
6. Low Construction Cost and High Return
One excavator can be equipped with one set of dredge pump to complete all dredging work. It saves expensive dredger rental fees, generator fuel costs and manual investment. With low failure rate and simple daily maintenance, it greatly improves the overall profit of dredging projects.
Wide Applications of Excavator Dredge Pump
1. Urban River and Municipal Dredging
It is widely used for cleaning urban inland rivers, landscape water bodies and drainage channels. The excavator mounted dredge pumps remove long-term accumulated sludge, improve water circulation, restore water clarity, and help cities complete environmental protection and water conservancy renovation projects.
2. Reservoir and Pond Desilting
Farmland irrigation ponds, landscape reservoirs and aquaculture fish ponds will accumulate a large amount of sediment after long-term use. The excavator dredge pump quickly cleans bottom sludge, increases water storage capacity and improves aquaculture environment.
3. Port, Wharf and Waterway Maintenance
Shallow silt accumulation at ports and berths affects ship docking and navigation. The excavator dredge attachment can clean channel sediment regularly, ensure waterway depth and maintain smooth navigation of shipping routes.
4. Flood Control and Drainage Ditch Cleaning
In flood control seasons, river channels and drainage ditches are easily blocked by sediment and garbage. The mobile dredge pump quickly removes silt blockages, improves water passing capacity and guarantees flood drainage safety.
5. Offshore and Shallow Water Sand Extraction
It is suitable for shallow sea sand picking, beach renovation and land reclamation projects. It can continuously pump underwater sand resources and complete on-site soil accumulation and foundation filling work.
6. Construction Foundation Mud Cleaning
During foundation and bridge construction, the equipment cleans underwater sediment and foundation sludge, ensuring flat foundation conditions and improving construction safety.
5 FAQs about YG Excavator Dredge Pump
A: The conventional excavator dredge attachment is suitable for 10–40 ton excavators. Different flow and power models can be matched according to the excavator hydraulic parameters to ensure stable pumping performance.
A: Yes. The wear-resistant impeller and anti-blocking hydraulic structure allow the excavator mounted dredge pumps to handle mud, fine sand, medium coarse sand and small gravel mixtures, adapting to complex underwater sediment conditions.
A: Compared with traditional pumps, the bottom stirring design loosens sediment in advance, greatly reducing blockage probability. As long as standard operation is followed, continuous non-stop pumping can be realized.
A: Maintenance is extremely simple. After daily work, just clean the pump body sediment, check the hydraulic pipeline tightness and lubricate the rotating parts regularly. No complicated maintenance is required.
A: Yes. The hydraulic heat dissipation system is stable, supporting long-hour continuous underwater operation, which fully meets the requirements of large-scale batch dredging projects.
