An underwater dredging robot is a remote controlled machine for removing sludge, mud, and sediment from underwater areas. It is commonly used in ponds, culverts, reservoirs, and drainage channels. YG models combine hydraulic drive, dredging, and pumping functions in one system. Different models cover dredging widths from 500 to 900 mm, while YG1200 is designed for large culverts. Pump flow can reach 250 m³/h. If you need compact and efficient dredging equipment, contact YG for model selection and factory information. 【WhatsApp/WeChat/Skype/Phone】+86 159 3715 2330
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Full Technical Specifications of YG Underwater Dredging Robot
YG provides six mature models of small pond dredging equipment to cover different dredging width, flow and power demands. All models support customized pipe length and voltage configuration.
| Parameter | YG500 | YG600 | YG700 | YG800 | YG900 | YG1200 |
| Robot Dimensions (mm) | 1500*500*650 | 1500*600*650 | 1600*700*650 | 1600*850*700 | 1650*960*750 | 1900*1200*750 |
| Dredging Width (mm) | 500 | 600 | 700 | 800 | 900 | Suitable for large culverts |
| Travel Speed (m/s) | 3–15 | 3–15 | 3–15 | 3–15 | 3–15 | 0–17 m/min |
| Pump Diameter (inch) | 3 | 3 | 4 | 4 | 4 | 4or6 |
| Pump Flow (m³/h) | 100 | 100 | 160 | 160 | 200 | 250 |
| Pump Head (m) | 0–30 | 0–30 | 0–25 | 0–25 | 0–25 | 0–30 (Horizontal: 100–150m) |
| 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 (kW) | 18 | 18 | 22 | 22 | 22 | 45KW (50KW) or Diesel 76KW (123KW) |
| Hydraulic System Pressure (Mpa) | 0–16 | 0–16 | 0–16 | 0–16 | 0–16 | Not specified |
| Particle Size (mm) | 15 | 15 | 40 | 40 | 50 | 0–40 (customizable) |
| Winch Speed (r/min) | 0–10 | 0–10 | 0–10 | 0–10 | 0–10 | 0–10 |
| Pipe Length (m) | 30–50 Optional | 30–50 Optional | 30–50 Optional | 30–50 Optional | 30–50 Optional | 30m/pack, 20kg pressure-resistant, optional |
| Control System | Wireless Remote | Wireless Remote | Wireless Remote | Wireless Remote | Wireless Remote | Wireless Remote |
| Lighting System | Underwater LED*2 | Underwater LED*2 | Underwater LED*2 | Underwater LED*2 | Underwater LED*2 | Underwater LED*2 |
Every model supports OEM branding on the machine, manual, and packaging. This matters if you resell in your local market. Check real‑world overseas project case：Small Pond Dredging Equipment Sold to Qatar.
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Benefits of Sludge Cleaning Robot
Traditional underwater dredging robot dredging relies on manual diving or large dredgers, with obvious safety risks and high costs.
A sludge cleaning robot solves these pain points and brings stable benefits for long-term projects.
- Zero underwater manual operation: Wireless remote control avoids drowning and silt burial risks in deep or turbid water.
- High cleaning precision: It targets only sediment without damaging original water bottom terrain and pipeline structures.
- Cost saving: One robot replaces 3-5 manual workers, cutting labor and safety management costs greatly.
- Wide terrain adaptability: Crawler design works for ponds, rivers, culverts and industrial sediment tanks.
- Low environmental impact: Closed suction structure prevents sludge diffusion and secondary water pollution.
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Small Pond Dredging Equipment Applications Across Job Sites
A small pond dredging equipment unit is not limited to one type of water body. Buyers use it across many project types.
Fish and shrimp ponds. Sludge buildup kills stock. Regular robot dredging keeps water quality stable.
Industrial tanks. Settling tanks, cooling ponds, and wastewater lagoons. The robot works without draining.
Culverts and drains. The YG1200 fits large culverts that no human crew can enter safely.
Rivers and canals. Sediment removal for flood control and navigation.
Marinas and harbors. Sand and silt removal around docks and moorings.
Mining and quarry pits. Fine tailings and sediment recovery.
One YG customer in Vietnam used two YG800 units on a 30-hectare shrimp farm. They cut dredging time from 45 days to 8 days per season.
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5 Frequently Asked Questions About Underwater Dredging Robot
Q1: What water depth can the underwater dredging robot adapt to?
All YG models support conventional shallow to medium underwater operations. The maximum pump head reaches 30 meters, meeting most pond, river and industrial pool dredging demands.
Q2: Can the machine clean hard and condensed sediment?
Yes. Equipped with a hydraulic loosening device, it can break hardened silt, sand and fine gravel. The maximum adaptable particle size reaches 50mm for YG900 model.
Q3: Is professional training required for operation?
No complex training is needed. The wireless remote control system is user-friendly. New operators can master full operation and daily inspection within 30 minutes.
Q4: What is the daily maintenance method for the robot?
Clean the pump body and pipeline residue after daily use. Check crawler tightness and LED lighting status regularly. Simple maintenance can extend service life up to 6-8 years.
Q5: Do you support customized configuration for special projects?
Yes. YG supports customized pipe length, particle size adaptation and power configuration to suit large culverts, deep water and special industrial environments.
