

The Howo 8x4 16 cubic meter vacuum tank truck uses the Howo TX350 8X4 chassis, with a wheelbase of 1950+3825+1350mm. It is equipped with a Weichai WP8.350E61 engine and an HW19712L 12-speed transmission. The upper body consists of a 16 cubic meter carbon steel vacuum tank with anti-corrosion and rust-proof treatment. It features a front-mounted hydraulic cylinder, an SK-20 water circulation vacuum pump, a ladder, a tailgate sight glass, a suction valve, a discharge valve, a manual hydraulic operating valve (controlling tank lifting and tailgate opening and closing), a vacuum pressure gauge, an overflow valve, a pressure relief valve, and a manhole.
Working capacity :
16cbmCabin type :
Howo TX350 one and single rowDimension (mm ) :
10750 x 2550 x 3450 mmDrive system :
8x4Wheelbase ( mm) :
1950+3825+1350mmEngine specific :
350HP/ WP8.350E61Gear box :
SINOTRUK WP8.350E61 12-speed , manualFront axle ( Kg ) :
6500/7000Rear axle ( Kg ) :
17500(2 axles)Remark :
Tank capacity can be chooseThe Howo 16 cbm super sucker pump truck is a high-efficiency special-purpose vehicle designed specifically for municipal and industrial sludge removal. It utilizes a Howo TX350 8×4 heavy-duty truck chassis, equipped with a Weichai WP8.350E61 engine and a Sinotruk 12-speed transmission, offering strong power and fuel efficiency. The upper structure features a 16 cubic meter carbon steel corrosion-resistant tank. The core suction system uses an SK-20 water ring vacuum pump, achieving isothermal compression through a water circulation seal to quickly form an ultimate vacuum of -0.093MPa, with a pumping speed of up to 20m³/min. It is equipped with an overflow valve, vacuum pressure gauge, and manual hydraulic valve for precise control of sludge suction, discharge, and tank lifting. This vehicle combines large capacity, strong power, and high safety, making it suitable for efficient operation in complex conditions such as septic tanks and sewage wells.

*HOWO 16 CBM Commercial Drainage Cleaning Truck*
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CS Trucks Group is professional manufacturer in Howo truck area,
guarantee all products Brand-New and High-Quality.
Product Definition and Introduction « « «
Manufacturer: CS Trucks Group
1. Powertrain: Howo chassis + Weichai WP8 engine + Sinotruk transmission, providing strong power and robust durability.
2. High-Efficiency Suction: SK-20 water circulation vacuum pump, offering fast suction speed, high efficiency, and adaptability to complex media.
3. Durable and Long-Lasting: Large-capacity tank with anti-corrosion and rust-proof treatment; reliable key components; long overall vehicle service life.
4. Easy Operation: Manual hydraulic centralized control, easy to operate.
5. Safe and Reliable: Tailgate with sight glass, equipped with anti-overflow valve, pressure relief valve, pressure gauge, and other multiple safety devices to ensure foolproof operation.
Product Parameter For Howo 8x4 Sewage Vacuum Vehicle « « «

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Howo 16 cbm super sucker pump truck |
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General |
Vehicle Brand |
CS TRUCKS |
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Vehicle Model |
CS5250GXH |
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Chassis Brand |
HOWO |
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Overall Dimension |
10750 * 2550 * 3450 mm |
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GVW / Kerb Weight |
31000 kg / 14500 kg |
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Axle loads |
6500/7000 / 17500(2 axles)kg |
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Cab |
Cab Capacity |
HOWO TX350 cabin, one and half row, with A/C,USB, direction assistance |
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Engine |
Fuel Type |
Inline six-cylinder, water-cooled, four-stroke, high-pressure common rail, turbocharged and intercooled, EGR |
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Brand |
WEICHAI |
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Model |
WP8.350E61 |
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Power |
350HP/ 257kW |
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Rated speed |
2100rpm |
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Max torque |
1400N·m |
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Max torque speed |
1200-1600rpm |
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Displacement |
7.8L |
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Emission Standard |
Euro 6 |
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Chassis |
Drive Type |
8x4, left hand drive |
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Transmission |
HW19712L transmission, 12 forward and 2 reverse |
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Wheelbase |
1950+3825+1350mm |
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Number of axle |
4 |
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Tyre Specification |
11.00R20 18PR |
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Tyre Number |
12 tyres and 1 spare tyre |
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Max Speed |
82km/h |
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Fuel tank |
400L Aluminum alloy fuel tank |
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Paint |
Metallic paint |
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Superstructure |
Tank |
Tank Capacity |
16000 liters |
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Tank Material |
5mm carbon steel with antiseptic treatment |
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Tank lifting angle |
≥45° |
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Vacuum Pump |
Vacuum Pump |
SK-20, water circulation vacuum pump |
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Maximum Pumping Speed |
20 m³/min |
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Pumping volume at an intake pressure of -0.06 MPa (-450 mmHg) |
18 m³/min |
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Rotation speed |
740 r/min |
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Ultimate Pressure |
-0.093 MPa/ -700 mmHg |
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Vacuum pump Power |
37 kW |
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Compressor Power |
55 kW |
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Compressor pressure |
0-0.1 MPa |
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Inlet and Outlet Diameters |
150mm |
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Water consumption |
60-80 L/min |
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Suction height |
≥8(m) |
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Suction Head |
7m length with DN 100 mm |
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Suction time |
250 s |
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Vacuum Pump |
Highly efficient, vacuum rate 93%, quick suction and discharge, suction lift 6m. |
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Rear door can be hydraulic opened for complete discharge of solid stuff. |
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All standard accessories: Sight glasses, Ladder, manhole, tool box, Vacuum pressure gauge,control valve,English manual..... |
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Optional |
** Tank material could be stainless steel. |
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Main Advantage Of HOWO 16cbm sewage cleaning truck « « «

Chassis
• Chassis Model: Sinotruk Howo TX350 8X4, strong load-bearing capacity, wheelbase 1950+3825+1350mm
• Engine: Weichai WP8.350E61
o 8.2-liter displacement, maximum output power 350 hp/257 kW, China VI emission standard.
o Features strong power, ample torque reserve, good fuel economy, and high reliability, providing ample power for suction operations and long-distance transportation.
• Transmission: HW19712L 12-speed transmission
o 12 forward gears, smooth operation, wide gear selection range, better matching engine power, adapting to complex working conditions, and achieving a balance between high efficiency and low fuel consumption.

Upper Structure System
• Suction Tank:
• Capacity: 16 cubic meter cylindrical tank, made of Q235B carbon steel, 5mm thick, robust structure, corrosion and rust resistant treatment.
• Operating System: Driver-side manual multi-way directional valve.
• Lifting Method: Front-mounted hydraulic cylinder, high lifting force, smooth operation, reliably lifts a fully loaded tank for self-unloading and sewage discharge.
• Control Method: Centralized control via manual hydraulic operating valves, simple and intuitive operation, allowing separate control of tank lifting/lowering and tailgate opening/closing.

• Vacuum Suction System:
o Core Component: SK-20 Water Circulation Vacuum Pump. Pumping speed 20m³/min, ultimate vacuum -0.093MPa. This pump features fast pumping speed, high vacuum, and stable performance, making it particularly suitable for pumping viscous media or media containing impurities. It also boasts advantages such as corrosion resistance and easy maintenance.

• Matching Valves:
o Suction Valve: DN150 ball valve, connected to the suction pipe, used for suction of media.
o Discharge Valve: DN200 butterfly valve, equipped with a quick connector, supports gravity flow or pressurized discharge.
o Pressure Relief Valve: Used to balance the pressure inside and outside the tank before and after suction or discharge operations, ensuring operational safety.
o Anti-overflow Valve: (Critical Safety Device) Automatically alarms or closes when the liquid level in the tank reaches the warning height, effectively preventing media from being sucked into the vacuum pump and causing equipment damage.
o Vacuum Pressure Gauge: Displays the vacuum pressure inside the tank in real time, allowing operators to monitor the operational status at any time.
o Tailgate sight glass: Located at the top of the tailgate, it allows direct observation of the liquid level inside the tank, helping to determine the loading status.

• Other amenities:
o Ladder: Facilitates access for staff to the top of the tank for inspection or maintenance.
o Manhole: A DN500 manhole is provided on the top of the tank for easy access to the interior for thorough cleaning, inspection, and maintenance.

SK-20 Vacuum pump and compressor
Howo Sewage Suction Truck Working Principle: « « «
This Howo 8x4 sewage suction truck operates based on the principle of a vacuum pump. After the core component, the SK-20 water circulation vacuum pump, starts, it powerfully extracts air from the suction tank through the suction pipe, creating a high vacuum (negative pressure) within the sealed tank. At this time, the external atmospheric pressure is much higher than the pressure inside the tank. Driven by this huge pressure difference, sewage, feces, and other media are quickly "pressed" into the tank through the heavy suction pipe, completing the suction operation.

When discharge is required, the hydraulic valve is operated to open the tailgate, and the tank is lifted by the hydraulic system to achieve self-unloading. Alternatively, the pressure relief valve can be opened to balance the pressure, using positive pressure to discharge the material. The entire process is efficient and reliable, perfectly realizing the functions of suction, transfer, and discharge.
China professional Howo special truck supplier and exporter, we supply high quality Howo special truck. We can ensure the fast delivery time and 12 months guarantee for our sewage suction trucks. Our Howo trucks are sold to more than 80 countries including: Eastern Europe and CIS countries, Africa, Southeast Asia, Central and South America, Middle East, etc.
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