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ISUZU
CLW
CLW5250SC8
The ISUZU 6x4 9.5cbm Cleaning Sewage Suction Truck is a high-performance sanitation vehicle designed for efficient suction, transport, and discharge of wastewater, sludge, and industrial effluents. Built on the ISUZU heavy-duty 6x4 chassis, this truck combines strong power, large capacity, and precise operation control, making it an essential asset for municipal drainage systems, industrial cleaning, and septic tank maintenance.
Equipped with a 9.5 cubic meter sewage tank and 7.3 cubic meter clean water tank, this vehicle supports simultaneous suction and flushing operations. The Weilong dual pump system (65QZDH-110/7000) ensures high suction efficiency, achieving a vacuum pressure up to 7000Pa and suction depth of 7 meters.
With its turbocharged 300hp 6HK1-TCG60 engine, 10-speed manual transmission, and sturdy carbon steel tanks, the ISUZU 6x4 suction truck provides exceptional durability, stability, and service life even under heavy-duty urban or industrial conditions.
This model is fully customizable—tank material, capacity, color, and optional stainless steel configurations can be tailored to your project's requirements.
Powerful ISUZU 300hp Engine – Strong performance ensures smooth suction and discharge operations.
Large-Capacity Dual Tank Design – 9.5m³ sewage tank + 7.3m³ water tank for combined suction and cleaning.
High-Efficiency Vacuum Pump – Equipped with Weilong double pump, providing deep suction up to 7m.
Durable Steel Construction – 5mm thick Q235A carbon steel or stainless steel tank ensures longevity.
User-Friendly Operation System – Power take-off, hydraulic cylinders, pressure gauges, and inspection windows make maintenance easy.
Customizable Options – Tank material, painting color, and logo printing can be customized per client's request.
| Item | Specification |
|---|---|
| Model Name | CLW ISUZU 6x4 Sewage Suction Truck |
| Driving Type | 6x4 |
| Color | White / Orange / Custom |
| GVW (kg) | 25,000 |
| Rated Payload (kg) | 7,370 |
| Curb Weight (kg) | 17,500 |
| Wheelbase (mm) | 4650 + 1370 |
| Overall Dimension (mm) | 10,100 × 2,550 × 3,850 |
| Max Speed (km/h) | 89 |
| Engine Model | 6HK1-TCG60 |
| Power (hp) | 300hp (221kW) |
| Transmission | 10JSD180, 10 forward + 2 reverse gears |
| Axle Load (kg) | 7000 / 18000 / 18000 |
| Tire Specification | 295/80R22.5 18PR, 10+1 spare |
| Tank Capacity | Sewage: 9.5m³ / Water: 7.3m³ |
| Tank Material | Q235A Carbon Steel, 5mm thickness |
| Pump Model | Weilong 65QZDH-110/7000 |
| Suction Depth | 7 meters |
| Pumping Speed | 110 L/s |
| Vacuum Pressure | 7000 Pa |
| Cabin | ISUZU Double Cabin, with A/C |
| Optional Features | Stainless steel tank / custom paint / high-pressure cleaning gun |
Q1: What is the main function of the ISUZU 6x4 sewage suction truck?
A1: It is mainly used for sucking, transporting, and unloading sewage, sludge, and industrial wastewater, commonly used by municipalities, construction sites, and industrial facilities.
Q2: Can the truck perform both suction and water cleaning at the same time?
A2: Yes. The dual-tank system (sewage + water) allows simultaneous suction and pipe cleaning, improving work efficiency.
Q3: What is the suction depth and pumping speed?
A3: The Weilong pump provides a suction depth of up to 7 meters and a pumping speed of 110L/s.
Q4: What customization options are available?
A4: Customers can choose tank material (carbon steel or stainless steel), tank size, color, and add logo or branding decals.
Q5: What is the maintenance cycle for this truck?
A5: Routine maintenance is recommended every 500 working hours or every 6 months, including pump oil replacement and hose inspection.
| Main Technology Parameter | |
| Model Name | CLW Brand ISUZU 6x4 Van Body Truck |
| Driving Type | 6x4 |
| Color | white and orange or based on client’s request. |
| Number of Cabs | 2 |
| Weights | |
| GVW(kg) | 25000 |
| Rated Payload Weight(kg) | 7370 |
| Curb Weight(kg) | 17500 |
| Dimensions | |
| Wheelbase(mm) | 4650+1370 |
| Front/Rear Overhang(mm) | 1370/2710 |
| Approach/Departure Angle | 17/10 |
| Overall Dimension(mm) | 10100x2550x3850 |
| Max Speed(km/h) | 89 |
| Engine | |
| Engine Model | 6HK1-TCG60 |
| Engine Type | Water-cooled,four-stroke,with exhaust valve braking, direct injection turbocharged with intercooling |
| Max.Output(kw) | 221(300hp) |
| Drive Line | |
| Transmission | 10 forwards,2 reverse gear,10JSD180 |
| Axle | |
| Axle | 7000/18000/18000 |
| Tire Specification | |
| Tire Specification | 295/80R22.5 18PR; 10+1 spare tire |
| Front Wheel Track(mm) | 2060 |
| Rear Wheel Track(mm) | 1855/1855 |
| Number of Leaf Springs | 7/10 |
| Upper Body | |
| Van Box Size(mm) | 5400x2150 |
| Box Material | Carbon Steel,Stainless Steel,According to Customer needs |
| Sewage Tank Volume | 9.5m³ |
| Water Tank Volume | 7.3m³ |
| 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.
