Cleaning a pond, canal, or sand pit used to mean draining the water, hiring an excavator, and losing weeks of production. Not anymore. If you’re searching for small dredging equipment for sale that works without draining your site, YG builds 6 remote-controlled dredging robots from 320kg to 500kg, with pump flow of 100-200m³ per hour. They fit narrow access and work underwater while your operator stays on the bank.
Get a Small Dredging Equipment for Sale Quote
Small Dredging Equipment Specifications
Here’s the full YG lineup. All models share the same track speed, reeling system, remote control, and lighting.
| Dredging Robot Parameter | ||||||
| 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 | |||||
Quick tip: The YG-500/600 suit small ponds; the YG-700/800/900 handle canals and reservoirs; the YG-1200 handles high-volume sand and tailings.
Get a Small Dredging Equipment for Sale Quote
How a Small Pond Dredging Equipment Robot Works
A small pond dredging equipment robot isn’t a boat — it’s a tracked machine that drives along the bottom and pumps material out.
Step 1 — Launch and Travel. The robot enters from the bank or a ramp, moving at 3-15m/s to the silt zone.
Step 2 — Hydraulic Drive. A shore-based station supplies 0-16Mpa through hoses; the motor (22-45kw) powers the pump and tracks.
Step 3 — Suction. The pump head agitates and sucks up sludge, sand, or gravel — particles up to 15-60mm pass without clogging.
Step 4 — Discharge. Material travels through the 50m hose to a settling pit, dewatering bag, or truck.
Step 5 — Remote Operation. The operator controls everything from the bank with a wireless remote.
Because the robot works underwater, you never drain the pond — fish stay undisturbed.
YG Dredging Robot Features & Advantages
1. Slim Bodies That Reach Tight Spots
The YG-500 is just 1500×500×650mm and 320kg — narrow enough for garden ponds and tight bank access.
2. 100-200m³/h Pump Flow
Entry models move 100m³ per hour; the YG-700 and above move 200m³/h.
3. Wireless Remote — Nobody Works in the Water
Full wireless control for travel, dredging, and hose reeling. Operators stay dry on the bank.
4. Handles 15-60mm Particles
The YG-500/600 pass 15mm silt; the YG-1200 handles 60mm gravel without stalling.
5. Underwater LED Lighting
Two LED lights keep the head visible in murky water, and the hydraulic station ships as one skid-mounted package.
Get a Small Dredging Equipment for Sale Quote
Small Sand Dredge for Sale — Which Model Fits Your Job?
Choose a model based on access width, material type, and required output.
| Your Situation | Recommended Model | Why |
| Garden pond, narrow access | YG-500 / YG-600 | Slim body, 100m³/h is plenty |
| Fish pond, small canal | YG-600 / YG-700 | Balance of width and output |
| Reservoir, river section | YG-800 / YG-900 | 200m³/h, 38mm particles |
| Sand pit, gravel, tailings | YG-1200 | 60mm particles, 1200mm cut width |
For a small sand dredge for sale, check particle size first — sand and gravel clog a 15mm pump quickly, so choose 38mm or 60mm even for a small water body.
Dredging Robot Applications & Real Project Results
These robots work in ponds, reservoirs, canals, harbors, sand pits, and tailings ponds.
Case: Mekong Delta, Vietnam — Fish Farm Clears 3 Ponds Without Draining
A tilapia farm had three ponds with 40-60cm of sludge. Draining them would kill the stock and cost weeks of production. The owner found YG through a YouTube video in early 2026 via WhatsApp.
We recommended the YG-600 — slim enough for the pond banks, 100m³/h matched the sludge volume.
Results:
- Three ponds cleared in 9 working days without draining
- Fish stock untouched — zero mortality
- Sludge pumped to a rice field as fertilizer
- Owner now rents the robot to neighboring farms
“I expected to lose a season draining the ponds. Instead we cleaned them with the fish still swimming.” — Nguyen T., Vietnam
Get a Small Dredging Equipment for Sale Quote
Small Dredging Equipment FAQ
FAQ 1: How Deep Can These Robots Dredge?
The standard 50m hose allows depths of roughly 20-30 meters, depending on pump head and material density. Longer hoses can be specified — depth is limited by hose length, not the body.
FAQ 2: Where Does the Dredged Material Go?
Through the discharge hose wherever you point it — a settling pit, dewatering bag, truck, or farmland. The pump pushes material 50-100m from the robot.
FAQ 3: Will the Robot Damage My Pond Bottom or Fish?
No. Wide tracks spread the 320-500kg weight and it moves slowly, so it doesn’t dig into the liner. Fish aren’t harmed because the water stays in place.
FAQ 4: How Hard Is It to Operate?
Most buyers learn in 1-2 days. Control is a wireless remote with simple joysticks, plus video training and WhatsApp support from YG.
FAQ 5: What Is the Delivery Time and Payment Term?
Standard models ship within 20-30 days after a 30% deposit; balance before loading. Sea freight: Southeast Asia 7-15 days, Africa 25-35 days.
Get a Small Dredging Equipment for Sale Quote
Small Dredging Equipment for Sale — YG Machinery
YG Machinery manufactures small dredging equipment for sale worldwide — remote-controlled dredging robots, hydraulic stations, and hoses as a complete package. Clients run YG robots in aquaculture, canal maintenance, reservoir management, and sand production across Southeast Asia, Africa, the Middle East, and South America.
Every unit is factory tested and ships with English manuals, video training, and WhatsApp support. Tell us your water body type, working depth, and material — we’ll recommend the right model within 24 hours.
