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Dongfeng
CLW
CLW5250SC3
Overview
The Dongfeng 6×4 Sewer Cleaning Vacuum Truck from CLW Group is built for municipal and industrial sanitation tasks, combining sewage suction, sludge transport, and pipeline flushing in one reliable vehicle. With a strong vacuum pump system and high-pressure water jet, this truck tackles even the toughest blockages and waste removal jobs—keeping your infrastructure clean and operational.
This vacuum suction sewage truck is ideal for:
Cleaning urban sewer networks and stormwater drains
Suction and transport of sludge, wastewater, and grease
Pipeline flushing with high-pressure water jets
Emergency cleanup after floods, spills, or industrial accidents
Its integrated suction + water flushing system makes it a fast cleaning sewage truck for city maintenance teams and industrial facilities.
Dongfeng 6×4 Chassis
GVW: 25,000 kg
Wheelbase: 4,350 + 1,350 mm for stability
Axles: 7,000 kg front / 18,000 kg rear
Tires: 295/80R22.5 for durability
L290 30 Diesel Engine
Power: 290 hp / 213 kW, Torque: 2,200 N·m
Turbocharged, water-cooled, Euro-compliant
Strong low-end torque for heavy-duty suction operations
FAST 12-Speed Gearbox
12 forward, 2 reverse gears
Smooth shifting for both highway travel and site operation
Dual Tank Design
Sewage Tank: 9.25 m³ capacity
Water Tank: 7.4 m³ capacity
Material: Q235A steel, 5 mm thickness for long life
High-Performance Pump System
Weilong 65QZDH-110/7000 dual pump
Suction Speed: up to 110 L/s
Suction Depth: up to 7 m
Vacuum Pressure: 7,000 Pa
Efficient Operations
Hydraulic cylinders, multi-way valve, and gauges for easy control
Flexible suction hose & inspection window for real-time monitoring
Water-gas and oil-gas separators to protect the pump system
Multi-Purpose Use – Sewage suction, sludge transport, and pipeline flushing in one unit
Durable & Reliable – Strong Dongfeng chassis and reinforced steel tanks
Operator-Friendly – Simple controls and ergonomic layout for efficient operation
Customizable – Tank material (carbon steel/stainless steel), paint color, and optional accessories available
The Dongfeng 6×4 Sewer Cleaning Vacuum Truck from CLW Group is a professional sanitation vehicle designed for both daily city maintenance and emergency response. With its powerful vacuum pump, dual tank design, and trusted Dongfeng platform, it delivers fast, safe, and efficient cleaning performance for municipalities and industrial users alike.
| Main Technology Parameter | |
| Model Name | CLW Group 6x4 Sewer Cleaning & Vacuum Truck |
| Driving Type | 6*4 |
| Color | Green or based on client’s request. |
| Number of Cabs | 3 |
| Weights | |
| GVW(kg) | 25000 |
| Rated Payload Weight(kg) | 7405 |
| Curb Weight(kg) | 17400 |
| Dimensions | |
| Wheelbase(mm) | 4350+1350 |
| Front/Rear Overhang(mm) | 1480/2920 |
| Approach/Departure Angle | 20/9 |
| Overall Dimension(mm) | 10400*2550*3800 |
| Max Speed(km/h) | 89 |
| Engine | |
| Engine Model | L290 30 |
| Engine Type | Water-cooled,four-stroke,with exhaust valve braking, direct injection turbocharged with intercooling |
| Rated Torque(Nm) | 2200 |
| Rated Speed(rpm) | 1200 |
| Max.Output(kw) | 213(290hp) |
| Drive Line | |
| Transmission | FAST Brand；12 forwards,2 reverse gear |
| Axle | |
| Axle | 7000/18000 |
| Tire Specification | |
| Tire Specification | 295/80R22.5 18PR; 10+1 spare tire |
| Front Wheel Track(mm) | 2010 |
| Rear Wheel Track(mm) | 1860/1860 |
| Number of Leaf Springs | 3/10 |
| Upper Body | |
| Van Box Size(mm) | 5400*2120 |
| Box Material | Carbon Steel,Stainless Steel,According to Customer needs |
| Sewage Tank Volume | 9.25m³ |
| Water Tank Volume | 7.4m³ |
| SewageTank Material | 5mm thickness;Q235A |
| Water Tank Material | 5mm thickness;Q235A |
| Pump | Weilong double pump 65QZDH-110/7000, Power rate :12KW; Pumping speed: 110L/S; Absolute pressure:7000Pa;Suction depth: 7 meters, |
| Other Key Parts | Power-take-off, hydraulic cylinders, multi-way valve , pressure gauges, water-gas separator , oil-gas separator, level inspection window, suction hose |
1. Slowly insert the suction pipe into the sewage well or sewage pool. The insertion depth should be appropriate to avoid the pipe mouth being blocked.
2. Start the vacuum pump and control the suction speed by operating the valve. Pay attention to observing the liquid level of the suction tank.
3. During the suction process, always pay attention to the working sound and temperature of the vacuum pump. If there is any abnormality, stop the machine immediately for inspection.
Discharge operation:
1. After arriving at the designated discharge location, stop the vehicle and pull the handbrake.
2. Open the discharge valve and slowly discharge the sewage. Pay attention to controlling the discharge speed and direction.
3. After the discharge is completed, close the discharge valve and clean the discharge pipe.
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