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Sinotruk HOWO 23CBM sewage vacuum truck in service with tailgate fully open and suction hose deployed

Side view of the HOWO sewage truck showing the 108mm inlet and hydraulic lift mechanism

Rear view of the vacuum truck with the fully open tailgate and air blowdown system in use

Sinotruk Howo 20000L sewage vacuum truck Botswana

Name: Sinotruk Howo 20000L sewage vacuum truck Botswana
Brand: Sinotruk HOWO

The Sinotruk HOWO 20000L sewage vacuum truck is a 23CBM waste removal vehicle built on a HOWO chassis for municipal sanitation departments and waste contractors operating in regions with limited sewer infrastructure. It is designed to suction sludge, mud, and solid waste from manholes, septic tanks, and drainage systems where gravity flow is absent or blocked. The truck uses a Veyron vacuum pump with 45 L/s suction speed and 400Pa working pressure to fill the tank in under 10 minutes, and can discharge the load in a single 8-minute cycle using hydraulic lift dumping and air blowdown. It operates in remote or low-access areas with a 9 metre vertical suction depth and 80 metre horizontal reach.

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Key Benefits

23CBM tank capacity with 6mm carbon steel body and 8mm head for long-term durability in high-pressure vacuum service
Suction speed of 45 L/s fills the tank in under 10 minutes, reducing downtime between jobs
Blowdown cycle completes in 8 minutes using hydraulic lift and air blowdown for rapid unloading
336 HP diesel engine with Euro 2 emission standard and 500,000 km no-overhaul performance on the HOWO chassis
Dual lock system with rubber strip, hydraulic lock, and manual lock ensures leak-proof operation during transport
Operation from cab or side with manual, pneumatic, and hydraulic controls for flexibility in tight spaces
Tailgate opens fully to allow gravity discharge and full access to the tank interior for cleaning

Buyer Profile

Who It Is for

Municipal sanitation and public works departments in developing regions with aging or incomplete sewer systems
Private waste collection and disposal contractors operating across multiple towns and districts
Construction and infrastructure project managers needing temporary waste removal during excavation
Industrial facility safety officers responsible for on-site waste handling and environmental compliance
Government procurement agencies equipping local authorities with reliable waste removal vehicles
Water and drainage contractors managing stormwater and sewage overflow in flood-prone zones

Operating Problems

Problems It Solves

Sewer systems that are incomplete, blocked, or lack gravity flow to central treatment plants
Manual or bucket-based waste removal that is slow, unsafe, and exposes workers to hazardous fumes
Trucks that cannot reach deep manholes or long horizontal distances due to weak suction power
Frequent breakdowns of vacuum systems due to poor sealing or inadequate tank material thickness
Lack of local spare parts and technical support for imported waste trucks after warranty expires
Inability to discharge waste quickly in high-volume or time-sensitive operations

Where It Works

Application Scenarios

Municipal sanitation departments in Botswana and other African countries with limited sewer network coverage
Waste contractors operating in rural or peri-urban areas where access roads are unpaved and infrastructure is minimal
Construction sites and quarry operations generating large volumes of sludge and sediment
Industrial parks and factories with on-site waste collection points that require frequent emptying
Emergency response teams clearing blocked manholes after heavy rains or flooding
Remote mining or oilfield sites where waste must be removed without connection to central treatment

Engineering

Technical Features

Veyron single or double vacuum pump with 45 L/s suction speed and 400Pa working pressure
Suction depth of up to 9 metres and horizontal reach of up to 80 metres from the truck
Tank capacity of 23CBM (23,000 litres) with 6mm body, 8mm head, and 5mm partition thickness
Inlet and outlet pipe size of 108mm for high-volume flow and reduced clogging risk
Hydraulic lift dumping and air blowdown system for full tank discharge in 8 minutes
Dual lock system with rubber strip, hydraulic lock, and manual lock for leak-proof transport
Operation from cab or side with manual, pneumatic, and hydraulic control modes
8 metre suction hose with anti-overflow valve, negative pressure meter, and sight liquid window
Tailgate opens fully to allow gravity discharge and full access for cleaning and inspection

Specifications

Technical Data


Chassis	Sinotruk HOWO chassis
Engine	336 HP diesel, Euro 2 emission standard
Transmission	Manual
Tank Capacity	23,000 L (23CBM)
Tank Material	Q235 carbon steel
Tank Thickness	6mm body, 8mm head, 5mm partition
Vacuum Pump Suction Speed	45 L/s
Pump Working Pressure	400Pa
Inlet / Outlet Pipe Size	108mm
Suction Depth	Up to 9 metres
Suction Horizontal Distance	Up to 80 metres
Fill Time	Under 10 minutes
Blowdown Time	Single 8-minute cycle
Operation Method	Manual + pneumatic + hydraulic
Tailgate Form	Fully open, tail fully open
Blowdown Method	Hydraulic lift dumping + air blowdown
Overall Size	10970 x 2500 x 3100 mm
Wheelbase	3360mm, 3800mm, 4200mm, 4500mm
Gross Vehicle Weight	7900 kg
Production Time	20 days
Lead Time	Based on shipping mode chosen
Shipping	Ro-ro, bulk ship or container from China main port
Warranty	One year for engine, gearbox, and axle

Build Materials

Materials

Q235 carbon steel tank with 6mm body, 8mm head, and 5mm partition for vacuum and pressure resistance
Aluminium alloy or steel components for pump housing and structural brackets
Rubber sealing strips on doors and joints for leak-proof operation
Stainless steel 304 available on request for corrosive waste applications
Pneumatic and hydraulic lines with reinforced hoses for high-pressure vacuum service
8 metre suction hose with anti-clogging design and quick-connect fittings

How It Is Built

Manufacturing Process

Chassis is received from Sinotruk HOWO and wheelbase is confirmed against the tank drawing
Tank shell is cut, rolled, and welded with internal clapboards to control surge and support structure
Tank is pressure tested and leak tested before welding the head and partition plates
Vacuum pump, piping, and control valves are installed and aligned with the driveline
Leak-proof sealing system with rubber strip, hydraulic lock, and manual lock is fitted
Carriage and tailgate are assembled with full opening mechanism and gravity discharge access
Body is shot blasted, primed, and finished in the customer’s chosen colour with logo applied
Pump suction speed, fill time, and blowdown cycle are tested on the factory apron before shipment

Testing

Quality Control

Every truck is 100 percent tested before delivery
Tank is pressure tested and leak tested in-house using standard vacuum and pressure methods
Pump performance tested for suction speed, working pressure, and fill time
Leak-proof system verified under full vacuum and transport conditions
Photos and videos of the finished truck are sent to the buyer before the balance payment
All components comply with GB and ISO standards for industrial vehicle construction

Build to Order

Customization Options

Tank capacity from 3,000L to 30,000L available to match site requirements
Tank material can be changed from carbon steel to stainless steel 304 on request
Left or right hand drive chassis to match local traffic regulations
Tank colour and logo applied free of charge
Optional: liquid full alarm self-stop, anti-corrosion treatment, solid-liquid separation filter cartridge + hydraulic auger, Honda sprinkler pump + spray system
Manufacture to customer supplied technical drawings and specifications

Comparison

How It Compares With the Alternatives

6x4 sewage truck with 10,000L tank	Lower capacity but better turning radius in narrow urban streets
Water tanker with vacuum pump added	Cheaper per litre but lacks dedicated vacuum system and blowdown controls
Used imported vacuum truck	Higher risk of breakdown and no local spare parts availability after warranty ends

Operating Notes

Use Guide

Confirm the chassis drive configuration and wheelbase against local road and registration rules before ordering
Use only the 8 metre suction hose and ensure the inlet is clear of debris before starting suction
Do not exceed 9 metres vertical depth or 80 metres horizontal distance to maintain suction performance
Engage the hydraulic lift and air blowdown system in sequence to avoid pressure spikes during discharge
Drain the tank and flush the system after use in corrosive waste environments to prevent internal damage
Free operator training is available at the factory before shipment, including pump operation and safety checks

Buyer Questions About This Truck

What is the lead time for this sewage vacuum truck?

Production time is 20 days. Delivery time depends on the shipping mode chosen—Ro-ro, bulk ship, or container from a China main port.

Can the tank be made from stainless steel instead of carbon steel?

Yes. The standard tank is Q235 carbon steel. Stainless steel 304 is available on request. Specify the waste type and storage duration for material confirmation.

What are your payment terms?

T/T with 30 percent deposit and 70 percent before delivery. Photos and videos of the finished truck are sent before the balance payment.

Do you supply right hand drive?

Yes. The chassis is ordered in left or right hand drive to match local traffic regulations. Confirm at order stage as changes are not possible later.

How is the truck shipped?

By Ro-ro, bulk ship, or container from a China main port. Trade terms are EXW, FOB, CFR, or CIF.

What warranty and after sales support do you provide?

One year warranty on engine, gearbox, and axle. 15 years of spare parts and technical support are available. Online support and overseas engineers are provided.

Can the vacuum pump be upgraded or changed?

Yes. Options include a double Veyron pump, water ring vacuum pump, or solid-liquid separation system. Specify your needs at order stage.