

An underwater sludge dredge robot is a remotely operated, tracked machine designed to remove accumulated sediment, sludge, and debris from the bottom of rivers, lakes, reservoirs, ports, wastewater tanks, and industrial ponds — without draining the water body or sending personnel underwater.
Unlike traditional dredging methods that require cofferdams, dewatering pumps, and large crews, the sediment removal robot works from the shore. An operator controls the machine wirelessly while real-time cameras and sensors provide full visibility of the underwater work area. The robot loosens compacted sludge with a hydraulic cutter, then pumps the material through a pipeline to a designated disposal point — all in one continuous operation.
This approach reduces project time, lowers labor costs, eliminates diver-related safety risks, and minimizes disturbance to the surrounding water environment.
Not sure if this robot fits your project? Send us your water body type, sludge condition, and target area. Our engineers will review your requirements and recommend a suitable configuration.
Get a Quote for Your Specifications Now
Check out the YG Underwater Sludge Cleaning Dredge Robot Technical Parameters
| Model | YG-500 | YG-600 | YG-700 | YG-800 | YG-900 | YG-1200 |
| Robot dimensions | 1500*500*650mm | 1500*600*650mm | 1600*700*650mm | 1600*850*700mm | 1650*960*750mm | 1900*1200*750mm |
| Dredging width | 500mm | 600mm | 700mm | 800mm | 900mm | 1200mm |
| Track travel speed | 3-15m/s | 3-15m/s | 3-15m/s | 3-15m/s | 3-15m/s | 3-15m/s |
| Robot weight | 320kg | 350kg | 380kg | 400kg | 420kg | 500kg |
| Pump output diameter | 3inch | 3inch | 4inch | 4inch | 4inch | 4inch |
| Pump flow rate(cubic meters/ hour) | 100 m³ | 100m³ | 200m³ | 200m³ | 200m³ | 200m³ |
| Hydraulic station dimensions(mm) | 2200*1200*1700 | 2200*1200*1700 | 2200*1200*1700 | 2200*1200*1700 | 2200*1200*1700 | 2120*1240*1200 |
| Main motor power | 22kw | 22kw | 30kw | 30kw | 30kw | 45kw |
| Hydraulic system pressure | 0-16Mpa | |||||
| Particle size | 15mm | 15mm | 38mm | 38mm | 38mm | 60mm |
| Reeling system speed | 0-10r/min | |||||
| Hydraulic hoses | 50m (Standard configuration) | |||||
| Control system | Wireless remote control | |||||
| Lighting system | Underwater LED lights *2 | |||||
Customize Configuration for Your Needs


Key Features & Benefits of YG Underwater Sludge Dredge Robot
1. Wireless Remote Control — Safe Operation from the Shore
Operators control the robot from the bank, a platform, or a nearby command post. No personnel need to enter the water. The wireless remote provides full command over movement, pump speed, cutter operation, and camera direction.
2. Real-Time Underwater Camera & LED Lighting
Each robot is equipped with an HD underwater camera and dual LED lights. The operator sees the working area in real time — even in turbid or dark conditions — and can adjust the robot’s path, depth, and cleaning intensity on the spot.
3. High-Flow Slurry Pump System
The onboard hydraulic pump delivers 100–200 m³/h of slurry throughput, depending on the model. Compacted sediment is stirred loose by the cutter head and immediately pumped through a 50-meter pipeline to the discharge area. This continuous stir-and-pump process avoids the cycle delays of batch dredging.
4. Tracked Underwater Chassis
The robot moves on reinforced tracks designed for muddy, abrasive, and contaminated surfaces. The tracked drive provides stable movement across uneven pond floors, gentle slopes, and soft sediment — environments where wheeled machines would slip or get stuck.
5. Modular Design for Quick Deployment
Each model breaks down into transportable modules. The robot body, hydraulic power station, and pipeline reels can be loaded onto a standard truck and delivered to site. Assembly and launch typically take hours, not days.
6. Intelligent Navigation & Positioning
High-precision sensors support centimeter-level positioning. The control system allows the operator to plan cleaning paths and monitor coverage, reducing missed spots and overlap.
7. Low-Disturbance Cleaning
The hydraulic cutter loosens targeted sediment without aggressive agitation of the entire water column. This helps protect water quality and reduces the volume of suspended solids that need to settle after treatment.
Why Choose YG Underwater Sludge Dredge Robot?
- 6 models available — From YG-500 (500 mm working width) to YG-1200 (1,200 mm), covering projects from small tanks to large-scale port and reservoir dredging.
- Factory-direct manufacturing — We design, build, and test every robot in-house. You deal directly with the manufacturer — no middlemen, no markup layers.
- Complete solution support — From site assessment and configuration design to equipment delivery, operator training and after-sales service.
- Customizable configurations — Working width, pump capacity, pipeline length, cutter type, and control options can be adjusted to match your specific project conditions.
- Proven global supply — YG dredging robots have been delivered to customers across Asia, the Middle East, South America, and beyond.
- Spare parts & technical support — Wear parts, replacement pumps, track components, and hydraulic seals are stocked and available for fast shipment.
Find Your Application (Lagoons, Pipes, Tanks, Sewage)


Frequently Asked Questions about YG’s Underwater Dredging Robot
A1: No. The underwater sludge dredge robot operates directly on the water body floor. There is no need to drain, divert, or isolate the water body. This is one of the main advantages over traditional dredging methods.
A2: The robot is designed for submerged environments and operates on the floor of the water body. Maximum working depth depends on the water body conditions, pipeline configuration, and hydraulic hose length.
A3: The robot handles soft to semi-compacted sediment, including river silt, lake mud, industrial sludge, tailings, wastewater sludge, and sand mixtures. Max particle size ranges from 15 mm (YG-500/600) to 60 mm (YG-1200). For highly compacted or consolidated material, a cutter head attachment is recommended.
A4: The robot and power station are transported by truck and launched from the shore. For most projects, assembly, system check, and launch can be completed within a few hours — significantly faster than setting up cofferdams or dewatering systems.
A5: Yes. We provide operator training, technical drawings, installation guidance, and remote technical support. Spare parts — including pump impellers, track components, seals, and camera modules — are available for shipment.
A6: Yes. We offer customization options for working width, pump capacity, pipeline length, cutter head type, hydraulic hose length, and control configuration. Send us your project details, and we will recommend a suitable setup.
A7: Lead time depends on the selected model, configuration, and order quantity. Contact us for current availability and estimated delivery to your destination.
Ready to Start Your Dredging Project?
If you are dealing with sludge buildup, reduced water capacity, restricted navigation, or hazardous sediment — and you want to solve it without draining, without divers, and without shutting down operations — the underwater sludge dredge robot may be the right solution.
Send us your project details for a free solution proposal:
- Water body type (river, lake, reservoir, tank, port, culvert)
- Estimated sludge depth and area
- Sediment type and conditions
- Required working width and discharge distance
- Project location and timeline
Contact us for pricing, configuration, and lead time.
WhatsApp / WeChat / Phone: +86 136 1385 6800
Email: admin@ygmachinerycore.com

