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Sinotruk HOWO 6x4 sewage evacuation truck in white with 16,000 L tank and rear-mounted vacuum pump

Rear view of the HOWO sewage truck showing hydraulic lift tailgate and air blowdown system

Side view of the HOWO vacuum truck with 100 mm suction tube and control panel on the cab

Sinotruk Howo 16000L sewage evacuation truck Madagascar

Name: Sinotruk Howo 16000L sewage evacuation truck Madagascar
Brand: Sinotruk HOWO

The Sinotruk HOWO 16000L sewage evacuation truck is a 6x4 vacuum tanker built on a ZZ1257N4341W chassis with a 336 HP WD615.69 diesel engine and 10-speed manual gearbox. It is designed for municipal sanitation departments and waste contractors that must access deep manholes, clogged sewers, and sediment pits in urban and rural areas without reliable access to municipal pumping stations. The truck can suction sludge and liquid waste from depths of up to 9 metres and transport 16,000 litres in under 10 minutes, then discharge the load in 8 minutes using hydraulic lift and air blowdown. It is deployed in regions with limited infrastructure, high humidity, and poor road conditions where reliability and rapid deployment are critical.

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Key Benefits

16,000 litre carbon steel or stainless steel tank holds a full load of sludge and liquid waste for long hauls
Suction depth of up to 9 metres allows access to deep manholes and underground sediment pits
Pumping speed of 318 m3/h fills the tank in under 10 minutes, reducing downtime between jobs
Blowdown completed in 8 minutes using hydraulic lift and air blowdown for fast turnaround
6x4 HOWO chassis with 336 HP engine and 10-speed manual gearbox handles heavy loads on unpaved and uneven terrain
Dual lock system with rubber strip, hydraulic lock, and manual lock ensures leak-proof operation during transport
Optional anti-corrosion treatment and solid-liquid separation filter extend tank life in aggressive waste environments

Buyer Profile

Who It Is for

Municipal sanitation and public works departments in developing countries with limited waste infrastructure
Private waste collection and disposal contractors operating in remote or low-density areas
Construction and quarry fleet owners managing on-site sludge and sediment
Port and industrial park maintenance teams responsible for drainage and sump cleaning
Government procurement agencies equipping new sanitation fleets in emerging markets
Contractors supplying turnkey waste management services to rural or underserved communities

Operating Problems

Problems It Solves

Lack of central pumping stations forces reliance on slow manual or small-scale vacuum trucks
Shallow suction depth on standard trucks prevents access to deep manholes and sediment pits
Slow fill and discharge cycles reduce daily job capacity and increase labour costs
Leakage during transport leads to environmental contamination and regulatory penalties
Poor chassis performance on unpaved roads causes breakdowns and delays in remote areas
Short spare parts availability and lack of technical support after delivery

Where It Works

Application Scenarios

Municipal sanitation departments in Madagascar and West Africa managing clogged sewer systems with no central pumping stations
Rural water and waste contractors operating in remote villages with poor road access and no municipal infrastructure
Construction sites and quarry operations that generate large volumes of sludge and sediment during excavation
Port and industrial zone maintenance teams cleaning sediment from storm drains and sump pits
Emergency response teams clearing blocked sewers after heavy rains or flooding events
Contractors servicing septic tanks and cesspits in areas with no waste transfer facilities

Engineering

Technical Features

Vane-type vacuum pump with 318 m3/h pumping speed at 1300 rpm and 8 m suction depth
Suction tube diameter of 100 mm allows passage of large solids and sludge particles
Suction horizontal distance up to 80 metres enables operation from a safe distance
Hydraulic lift dumping and air blowdown system for complete and fast discharge
Dual lock system with rubber strip, hydraulic lock, and manual lock prevents leaks
Sight liquid window, hydraulic gauge, negative pressure meter, and anti-overflow valve for safe operation
Cab with sleeper, air-conditioner, and two new-style seats for long shift comfort
10-speed manual transmission with hydraulically operated clutch and air assistance for smooth shifting
Front axle HF7 (1x7 tons) and driving axle ST16 (2x16 tons) support heavy loads on rough terrain
295/80R22.5 tires provide stability and load capacity on unpaved and uneven surfaces

Specifications

Technical Data


Chassis Model	ZZ1257N4341W
Drive Type	6x4
Engine	WD615.69, 336 HP
Transmission	HW19710 (10 forwards, 2 reverses)
Cabin	HW76 lengthened cab with sleeper, air-conditioner, two new-style seats
Tank Capacity	16,000 L (16 CBM)
Tank Material	Carbon steel Q345, stainless steel 304 available
Suction Depth	≥ 8 m, up to 9 m vertical
Suction Tube Diameter	Φ100 mm
Suction Speed	Fill in under 10 minutes
Blowdown Speed	Complete in 8 minutes
Vacuum Pump Type	Vane pump
Pumping Speed	318 m3/h
Rated Speed	1300 rpm
Overall Dimension	9400 x 2500 x 3850 mm
Max Speed	95 km/h
Wheelbase	4300 + 1350 mm
Front Axle	HF7 (1x7 tons)
Driving Axle	ST16 (2x16 tons)
Rim / Tire	295/80R22.5
Suction Horizontal Distance	Up to 80 metres
Operating Position	Cab and car side
Tailgate Form	Fully open tailgate and tail
Blowdown Method	Hydraulic lift dumping + air blowdown
Production Time	20 days
Delivery Time	Based on shipping mode
Color	White, red, green, golden, or custom

Build Materials

Materials

Carbon steel Q345 tank with 6–8 mm body thickness, 8 mm head, 5 mm partition
Stainless steel 304 tank available on request with anti-corrosion treatment
Aluminium alloy for pump housing and control panels to resist corrosion
Rubber strip and hydraulic seal for tailgate and manhole cover to prevent leaks
295/80R22.5 steel-belted radial tires for durability on rough terrain
Internal cladding and baffles to reduce surge and protect tank structure

How It Is Built

Manufacturing Process

Chassis is received from Sinotruk and wheelbase is verified against the tank drawing
Tank shell is cut, rolled, and welded with internal clapboards and baffles to control surge
Tank is pressure tested and leak tested before welding the manhole and fittings
Vacuum pump, piping, and suction tube are installed and aligned with the driveline
Tailgate, hydraulic lift system, and air blowdown components are assembled and tested
Pump room and control panel are fitted with gauges, valves, and safety devices
Body is shot blasted, primed, and finished in white, red, green, or custom colour
Full system test is conducted on the factory apron: suction, pumping, blowdown, and leak check
Photos and videos of the finished truck are sent to the buyer before balance payment

Testing

Quality Control

Every truck is 100 percent tested before delivery
Tank and pressure components comply with GB39.5 general specification for vacuum vehicles
Vacuum pump and piping system tested for leak tightness and performance
Photos and videos of the finished truck are sent before balance payment
In-house leak testing and pressure testing available for pressure vessel projects
All components are inspected for weld quality, material thickness, and alignment

Build to Order

Customization Options

Tank capacity from 3,000 L to 30,000 L available to match site requirements
Tank material can be changed from carbon steel Q345 to stainless steel 304
Tank colour and logo applied free of charge to match municipal or contractor livery
Optional anti-corrosion treatment and solid-liquid separation filter cartridge
Optional liquid full alarm self-stop and water ring vacuum pump
Manufacture to customer supplied technical drawings and specifications

Comparison

How It Compares With the Alternatives

4x2 vacuum truck with 8000 L tank	Lower cost and easier to drive in cities but cannot handle deep suction or large volumes
Standard sewage truck with fixed pump	Cheaper but lacks vacuum system and cannot suction from deep pits or long distances
Used imported vacuum truck	Higher initial cost but lower reliability and parts availability after 5 years

Operating Notes

Use Guide

Confirm the chassis drive configuration and hand of drive before order to match local regulations
Use only the 8 metre suction pipe and keep the air breather valve clear during operation
Prime the vacuum pump at no more than 8 metres suction depth and expect full vacuum within 5 minutes
Engage the hydraulic lift before discharging to ensure full tailgate opening
Drain the tank and flush with water after each use to prevent residue buildup
Free operator training is available at the factory before shipment

Buyer Questions About This Truck

What is the lead time for this sewage truck?

Production time is 20 days after the advance payment. Delivery time depends on the shipping mode chosen.

Can the tank be stainless steel instead of carbon steel?

Yes. The standard tank is Q345 carbon steel. Stainless steel 304 is available on request with anti-corrosion treatment.

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 left or right hand drive?

Yes. The chassis is ordered in left or right hand drive to match local traffic rules. Confirm at order stage.

How is the truck shipped?

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

What warranty and after sales support do you provide?

The whole vehicle is guaranteed for one year. Core parts on some products are guaranteed for two years. We provide 15 years of spare parts and technical support.

Can the equipment package be customized?

Yes. Send your list of required hoses, nozzles, valves, and safety gear and we will layout the lockers and fittings accordingly.