Excavator Dredge Pump Attachment 12-Inch EXF-12000
The 12-Inch EXF-12000 Hydraulic Excavator Dredge Pump Attachment delivers high-performance slurry and solids handling with flow rates up to 7,300 GPM. Engineered for 60–94-ton excavators, it pumps solids up to 11 inches in diameter and handles 40–70% solids concentration. With EDDY Pump’s non-clogging design, the EXF-12000 ensures efficient dredging and material removal in harsh environments, including mining, sand, and industrial slurry operations.
Engineered for Heavy-Duty Performance
- Handles up to 7,300 GPM flow and 11-inch solids for high-production dredging
- Non-clog pump design ideal for abrasive, high-viscosity, and high-specific-gravity materials
- Transports 40–70% solids, reducing water content and improving efficiency
- Operates effectively at up to 900 RPM for consistent throughput
- Compatible with 60–94 ton excavators or hydraulic power units
- Designed for mining, sand and aggregate, oil and gas, and industrial sludge operations
- Optional cutter head, jetting rings, and re-circulation systems for tailored performance
- Built in the USA with EDDY Pump’s patented technology for maximum durability and uptime
Gallery
Excavator Dredge Pump Attachment 12-Inch EXF-12000
Technical Specifications
Performance Specifications
- Flow Rate: 2,600 – 7,300 GPM
- Head Range: Up to 180 ft
- Maximum Speed: 900 RPM
- Solids Handling: Up to 11 inches
- Solids Concentration: 40–70%
- Production Rate: 500–600 cubic yards per hour
Hydraulic Requirements
- EDDY Pump Circuit: 160 GPM at 5,000 PSI (700cc motor)
- Cutter head Circuit: 20–28 GPM at 5,000 PSI (2150cc motor)
- Requires hydraulic lines and discharge hose plumbed to the boom end
- Includes a crossover check valve for motor and rotor protection
Excavator Compatibility
- Carrier Weight: 60–94 tons (54,400–85,000 kg)
- Operates via excavator auxiliary power or external hydraulic power unit
Dimensions and Construction
- Overall Weight (without attachments): 9,500 lbs (4,310 kg)
- Suction Size: 14 inches
- Discharge Size: 12 inches (12-bolt, 150# class flange)
- Rugged steel construction for high-abrasion environments
Optional Accessories
- Standard or extended cutter heads
- Self-cleaning head and liner-safe wheels
- Water jetting ring and auger head options
- Magnetic flow meter, discharge pressure gauge, and quick-prime valve
- Re-circulation system for pre-mixing applications
EDDY Pump – Excavator Dredge Pump Attachment – Pump Curve
PUMP CURVE
For the EXF-12000, the pump curve represents high-volume dredging performance at lower operating speeds. It is used to confirm flow output while handling large solids and high slurry concentrations, helping operators match excavator hydraulic power to production targets without overloading the system during continuous dredging.
Technical Drawings & Resources
Excavator Dredge Pump Attachment 12 Inch EXF-12000 Dimensional Layout
Comparison Table
| Specification | 12-Inch EXF 12000 |
||||
|---|---|---|---|---|---|
| Min Flow (GPM) | 250 | 450 | 1,400 | 1,600 | 2,600 |
| Max Flow (GPM) | 1,200 | 2,500 | 3,600 | 5,000 | 7,300 |
| Head Range (ft) | Up to 160 | Up to 200 | Up to 230 | Up to 240 | Up to 180 |
| Discharge Size | 4 in | 6 in | 8 in | 10 in | 12 in |
| Suction Size | 6 in | 8 in | 10 in | 12 in | 14 in |
| Solids Handling | Up to 3 in | Up to 5 in | Up to 7 in | Up to 9 in | Up to 11 in |
| Max Speed (RPM) | 1,800 | 1,800 | 1,200 | 1,200 | 900 |
| Percent Solids | 40–70 % | 40–70 % | 40–70 % | 40–70 % | 40–70 % |
| Production Rate (yd³/hr) | 75–150 | 150–200 | 250–300 | 300–350 | 500–600 |
| Pump Circuit Flow | 35 GPM @ 5,000 PSI (80 cc motor) | 57 GPM @ 5,000 PSI (180 cc motor) | 120 GPM @ 5,000 PSI (500 cc motor) | 120 GPM @ 5,000 PSI (500 cc motor) | 160 GPM @ 5,000 PSI (700 cc motor) |
| Cutter head Circuit Flow | 12–18 GPM @ 5,000 PSI (1340 cc motor) | 12–18 GPM @ 5,000 PSI (1340 cc motor) | 20–28 GPM @ 5,000 PSI (2150 cc motor) | 20–28 GPM @ 5,000 PSI (2150 cc motor) | 20–28 GPM @ 5,000 PSI (2150 cc motor) |
| Excavator Carrier Weight Requirement | 20–45 tons (18,000–40,000 kg) | 20–45 tons (18,000–40,000 kg) | 60–94 tons (54,400–85,000 kg) | 60–94 tons (54,400–85,000 kg) | 60–94 tons (54,400–85,000 kg) |
| Overall Weight (without optional equipment) | 3,300 lbs (1,496 kg) | 4,800 lbs (2,177 kg) | 6,800 lbs (3,084 kg) | 7,500 lbs (3,400 kg) | 9,500 lbs (4,310 kg) |
| Frame + Elbow + Cutter head Only | 1,700 lbs (771 kg) | 1,800 lbs (816 kg) | — | — | — |
| Solids Applications | Sludge, Slurry, Drilling Mud, Tailings, Grit, Sand Mixtures | Sludge, Slurry, Drilling Mud, Tailings, Grit, Sand Mixtures | Sludge, Slurry, Drilling Mud, Tailings, Grit, Sand Mixtures | Sludge, Slurry, Drilling Mud, Tailings, Grit, Sand Mixtures | Sludge, Slurry, Drilling Mud, Tailings, Grit, Sand Mixtures |
| Power Options / Design | Non-clog design for high viscosity & abrasives | Non-clog design for high viscosity & abrasives | Non-clog design for high viscosity & abrasives | Non-clog design for high viscosity & abrasives | Non-clog design for high viscosity & abrasives |
Industries and Applications
Dredging and Marine Operations
Engineered for harbor deepening, sediment removal, and maintenance dredging in rivers, ports, and reservoirs. The EXF-12000 excels in high-solids environments where precision and productivity are critical.
Mining and Mineral Processing
Ideal for handling tailings, slurry transport, and pit dewatering in challenging mine conditions. Its high-abrasion resistance ensures reliable operation in gold, copper, and mineral extraction sites.
Sand and Aggregate Production
Perfect for sand pits and quarry operations that require consistent removal of sand, gravel, and slurry. Delivers continuous, high-capacity flow with minimal clogging or downtime.
Oil and Gas Sector
Designed for pumping drilling mud, sludge, and hydrocarbon-contaminated sediments. It enhances cleanup efficiency in oilfield, refinery, and offshore maintenance applications.
Chemical and Process Industries
Handles corrosive and high-viscosity fluids safely from sumps, ponds, or reactors. Maintains consistent flow for demanding industrial and chemical waste transfer needs.
Paper, Pulp, and Manufacturing
Removes fibrous waste, lime sludge, and residual materials from pulp and paper mills, improving system throughput and reducing operational maintenance.
Power Generation and Energy
Excels at handling fly ash, bottom ash, and slurry byproducts from coal and biomass plants. Supports environmental compliance and efficient ash pond maintenance.
Municipal and Wastewater Management
Used for dredging lagoons, biosolid handling, and digester cleaning in treatment plants. Keeps infrastructure operational while minimizing manual cleanout.
Construction and Infrastructure Projects
Supports foundation excavation, canal maintenance, and environmental remediation. Offers dependable pumping for slurry, silt, or contaminated material removal.
Agriculture and Irrigation Systems
Useful for pond desilting, canal dredging, and waste slurry management on large agricultural sites, ensuring improved water flow and land productivity.
Industrial Slurry Removal from Power Plant Cooling Basin
Case Study
The Problem
A major thermal power plant faced severe operational challenges during the periodic cleaning of its cooling basin, which was filled with compacted fly ash and heavy slurry. The high concentration of solids, combined with abrasive and sticky material, made it impossible for conventional centrifugal pumps to maintain continuous flow. Frequent clogging and equipment wear caused extended shutdowns, leading to production losses and increased maintenance costs. Manual dredging attempts also proved inefficient and unsafe for operators due to poor visibility and restricted access inside the basin.
The Solution
To address the issue, the plant introduced the 12-Inch EXF-12000 Hydraulic Excavator Pump Attachment from EDDY Pump, mounted on a 70-ton excavator positioned along the basin edge. The system operated at over 6,000 GPM and managed up to 70% solids content with ease. Using EDDY Pump’s patented non-clog rotor design, it maintained an uninterrupted flow of abrasive slurry through a 200-foot discharge line. The setup was supported by a hydraulic power unit and real-time flow monitoring, ensuring consistent performance throughout the cleaning process.
The Result
The EXF-12000 completed the basin cleanout faster than projected, with zero clog-related interruptions. The plant achieved a 35% reduction in cleaning time and a significant drop in maintenance hours compared to previous methods. Equipment wear was minimal, and the operation required fewer personnel on-site, improving overall safety. The successful deployment demonstrated the pump’s ability to handle extreme slurry conditions while delivering cost savings, reliability, and sustained operational uptime for critical power infrastructure.
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Frequently Asked Questions
What makes the EXF-12000 different from standard excavator-mounted dredge pumps?
The EXF-12000 is engineered around EDDY Pump’s patented non-clog design, which allows it to handle extremely high solids concentrations and abrasive materials without performance loss. Unlike conventional centrifugal or vortex pumps that rely on narrow tolerances and impellers prone to clogging, the EXF-12000 uses an open rotor and a high-tolerance chamber to create a powerful eddy current. This enables continuous slurry movement even with large, irregular solids up to 11 inches in diameter.
What type of excavators are compatible with the EXF-12000 attachment?
The EXF-12000 is designed for heavy-duty excavators in the 60–94 ton range. These carriers provide the hydraulic flow and pressure required to operate both the pump and the cutter head effectively. Operators can also pair the attachment with a dedicated Hydraulic Power Unit (HPU) for applications where the excavator’s onboard hydraulics cannot supply adequate pressure or flow.
How much material can the EXF-12000 pump per hour?
Depending on the slurry composition and operating conditions, the EXF-12000 can achieve production rates of 500–600 cubic yards per hour. This high throughput is ideal for large-scale dredging, dewatering, or tailings-removal projects where efficiency and uptime directly affect overall project cost and timeline.
Can the EXF-12000 handle abrasive or high-viscosity materials?
Yes. The EXF-12000 is specifically designed to handle abrasive, viscous, and high-specific-gravity materials, such as mine tailings, drilling mud, fly ash, and thick sludge. Its internal geometry minimizes wear while maximizing suction power, making it well-suited for continuous operation in harsh industrial environments where other pumps would quickly fail.
What are the hydraulic requirements for operating the EXF-12000?
The pump circuit requires 160 GPM at 5,000 PSI (700cc motor), and the cutter head circuit requires 20–28 GPM at 5,000 PSI (2150cc motor). These parameters can be met either through the excavator’s auxiliary hydraulic system or an independent HPU. Proper hydraulic setup ensures stable flow, prevents cavitation, and optimizes pump performance.
What types of materials can be pumped with this attachment?
The EXF-12000 can efficiently pump sludge, slurry, sand mixtures, drilling mud, mine tailings, and industrial waste. It is designed for challenging environments where material density and particle size exceed the limits of typical pumps. This versatility makes it suitable for dredging rivers, cleaning lagoons, handling mining byproducts, and performing industrial slurry transfer.
What optional accessories can improve performance in specific applications?
Operators can choose from various cutter head options, including standard, extended, and self-cleaning designs. Additional accessories, such as a water jetting ring, liner-safe wheels, an auger head, and a re-circulation mixer, enhance adaptability. Instrumentation like magnetic flow meters and discharge pressure gauges helps monitor performance and maintain plug-free operation.
How does the non-clog rotor design improve maintenance intervals?
Traditional pumps rely on tight tolerances between the impeller and volute, which leads to frequent clogging and wear. The EDDY Pump’s open rotor design uses an eddy current to move material without direct contact between components, reducing friction and wear points. This allows for longer service intervals, minimal downtime, and lower maintenance costs across multiple projects.
Is the EXF-12000 suitable for underwater or submerged pumping operations?
Yes. The attachment is fully capable of operating below the water surface when mounted on an excavator or barge. Its sealed design and hydraulic drive system enable submersible use without the risk of electrical failure. This makes it ideal for dredging, lagoon cleaning, and underwater sediment removal where electrical submersible pumps are impractical.
How does using the EXF-12000 improve overall project efficiency and cost savings?
The EXF-12000 increases efficiency through high flow rates, reduced clogging, and continuous pumping even in extreme slurry conditions. By minimizing downtime, labor-intensive cleanouts, and equipment wear, it significantly lowers operational costs. Projects finish faster, with fewer interruptions and less dependency on multiple auxiliary pumps, making it a cost-effective solution for demanding dredging and industrial pumping applications.
HD (Heavy Duty) Slurry Pumps / Dredge Equipment
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