Hubei Chengli Special Automobile Co., Ltd is one of the leading manufacturers and suppliers of 4 axles sewage vacuum semi-trailer in China. If you're going to buy high quality 4 axles sewage vacuum semi-trailer, welcome to get more information from our factory. For price consultation, contact us.
Meet the ultimate solution for your most challenging waste management tasks
Our 4-Axle Sewage Vacuum Semi-Trailer. Designed with uncompromising strength and superior performance in mind, this trailer is built to handle everything from thick industrial sludge and oilfield waste to municipal sewer solids, including stones and bricks. With a massive 38-cubic-meter tank and a powerhouse SK-42 water ring vacuum pump, it delivers unparalleled suction power, efficiency, and reliability, ensuring maximum productivity and a rapid return on your investment.
Tackle the most challenging industrial and municipal cleaning tasks with our top-tier 4-Axle Sewage Vacuum Semi-Trailer. This powerhouse is not just equipment; it's a strategic investment in productivity, durability, and performance. Designed from the ground up for professionals who refuse to compromise, it sets a new benchmark in the vacuum tanker sector.
Exceptional Payload & Robust Chassis
1. The tandem 4 FUWA 13-ton axles provide a solid 52-ton load rating, ensuring road legality and exceptional stability.
2. Coupled with the 12R22.5 tubeless radial tires and leaf spring suspension, it offers a durable and reliable foundation for the heaviest loads.
High-Capacity, Durable Tank
1. The 38m³ tank is constructed from high-quality 8mm thick WISCO steel for both the body and heads.
2. Internally reinforced with vortex-breaking baffles, it ensures structural integrity during transport and extends the tank's lifespan against corrosive and abrasive materials.
Powerful & Reliable Vacuum System
1. At the heart of this unit is the SK-42 water ring vacuum pump, driven by a dedicated auxiliary diesel engine.
2. This system generates immense suction power capable of vacuuming liquids, thick sludge, and even large solids like stones, bricks, and debris from deep underground, making it the perfect tool for unclogging any blocked sewer.
Comprehensive Safety & Protection Systems
1. Constructed from high-grade steel (option: anti-corrosive coating or stainless steel).
2. The tank is built to withstand corrosive effluents and abrasive materials, ensuring structural integrity and a long service life. Its optimized design allows for efficient clean-out and minimal residue buildup.
Operational Efficiency & User Convenience
1. Dual Discharge Modes: Offers both pressurized discharge for forced ejection and gravity discharge for efficient emptying.
2. Large-Diameter Discharge Valve: Allows for quick and efficient expulsion of waste and slurry.
Customization is Key
1. We understand that every operation is unique. Therefore, every component, including the axles, landing gear, and tires, can be customized to meet your specific requirements.
2. You don't just buy a standard trailer; you acquire a tailored solution that fits your exact business needs, local regulations, and budgetary considerations. Get the perfect machine for your specific applications.
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Overall dimension |
12000x2500x3900mm |
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Loading capacity |
35,000 litres--40,000litres |
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Gross weight |
40,000kg |
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Tare weight |
13,000kg |
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Rated loading weight |
31600kg |
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Approach/Departure degree |
-/26,-/25,-/24° |
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Tank material |
Q235B |
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Tank/End plate thickness |
8mm |
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Remarks. The semi-trailer's special equipment is a vacuum pump and oil cylinder, which are mainly used to suck out dirt from puddles, manholes, and sewers. The vacuum pump is used to suck and discharge materials, and the oil cylinder is used to assist in dumping the residue. The top is closed and cannot be slotted, and the rear cannot be opened. There is a manhole for cleaning on the top and a drain valve at the rear. The total capacity of the tank is 36 cubic meters, and the effective volume of the tank is 34.4 cubic meters. The tank body box has a lifting function and assists in unloading. Optional exterior style, optional rear tail discharge port style, and optional number of front side beams are available. |
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Chassis |
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Axle |
4 FUWA axles,13 Tons ,with ABS |
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Landing Gear |
JOST brand Two-speed, manual operating, heavy duty landing gear |
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King Pin |
JOST brand,50# or 90# bolt-in king pin |
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Suspension |
heavy duty mechanical suspension |
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Wheelbase |
5210+1300+1300+1300mm |
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Rear track base |
1840/1840/1840/1840mm |
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Steel plate springs |
-8/8/8/8, -10/10/10/10 |
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Tire |
12R22.5 12PR tubeless tire including one spare tire, 17 pieces |
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Painting |
Customized logo |

ABS & Air Brakes: Provides reliable, anti-lock braking for enhanced safety.
Overflow Valve: Installed on the tank top to prevent waste from entering and damaging the vacuum pump.
Stainless Steel Pump Intake Filter: A critical guard that protects the vacuum pump from intrusive solids.
Dual Discharge Modes: Offers both pressurized discharge for forced ejection and gravity discharge for efficient emptying.
Large-Diameter Discharge Valve: Allows for quick and efficient expulsion of waste and slurry.


Safety Support Rods: A crucial mechanical locking device to securely hold the raised tank in place during dumping, preventing accidental lowering.
Oil-Water & Air-Water Separators: These accessories protect the vacuum pump by separating oil and moisture, ensuring smooth operation and longevity.
Integrated Toolbox & Pipe Storage: Dual side toolboxes and a non-slip checkered plate platform with guardrails provide ample, secure storage for the 10-meter-long, 102mm diameter, high-strength PVC suction hose.
Sight Glass: Allows the operator to visually monitor the tank's fill level easily.


Superior Build Quality: We use only premium components from trusted brands like FUWA and JOST.
Designed for Harsh Conditions: The robust construction and protective features ensure reliability in the toughest environments.
Customization Available: We understand that needs vary. Configurations can be tailored to your specific requirements, including components, tank size, and pump options.
Designed for Productivity: Every feature, from the powerful pump to the large tank, is engineered to reduce cycle times and increase your operational throughput.

This versatile vacuum trailer is indispensable across numerous industries:
Municipal Sewer Systems:
Cleaning and unblocking sewers, transporting wastewater, and handling stormwater debris.
Industrial Plants:
Managing chemical waste, sludge, and processing by-products from manufacturing facilities.
Oil & Gas Industry:
Efficiently cleaning up oil spills, collecting drill mud, and maintaining waste pits.
Agriculture & Farming:
Large-scale manure management and lagoon cleaning.
Construction Sites:
Removing slurry and wastewater from excavation sites.
Ready to tackle your toughest cleanup challenges with unmatched power and efficiency?
Contact our expert sales team today for a detailed quotation and a customized solution that fits your exact needs!!
Hubei CHENGLI Automobile Group is a large automobile manufacturing enterprise designated by the Ministry of Industry and Information Technology of China for producing various special vehicles.
The company is located in SUIZHOU City, HUBEI Province, and has employs over 7,000 people, including more than 500 technical personnel and over 1,800 skilled workers.
The company has an annual production capacity of 7,000 special vehicles.
Through professional vocation technical training, it annually provides society with over 500 automotive talents, making it a well-deserved incubator in the domestic special vehicle field.

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High Quality
02
Advanced Equipment
03
Professional Team
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Custom Service
Contact Sales manager: Cathy Gao
Mobile: +86-17343341170
Email: Cathy@clw-autos.com
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