Why Dulevo

Dulevo is a historical name in the world of professional sweepers and street washers, with over 50 years of history. Because of the technical and qualitative characteristics of our vehicles we can satisfy all the needs of our customers, our products are able to adapt to any type of application, environment and season to always offer a high standard of work quality. Dulevo is the largest Italian company in the field of street cleaning machinery production, with the widest range of products available on the market, able to satisfy all needs and provide a perfect solution for everyone.

Mechanical suction system

Mechanical suction system

Dirt is collected mechanically by means of side brooms which convey the debris towards the center of the machine where the central cylindrical broom throws it at high speed directly on a vertical conveyor. The debris is loaded into the waste container from the top, thus the loading capacity of the vehicle is optimized.

Lifted by the central cylindrical broom, the dust is sucked up and retained in the container thanks to the vacuum created in the container by two suction fans with high flow-rate and head effect.

Thanks to the advantages of the mechanical-suction system, Dulevo sweepers are ideal for tackling the most diverse urban applications in terms of type and seasonal conditions:

street sweeping in summer in the presence of sand and dust;
street sweeping on autumn accumulations of leaves and pine needles;
waste collection after local markets;
winter sweeping at particularly cold temperatures thanks to the possibility of not using water.

In fact, only the side brooms (being positioned outside the suction zone) require a modest sprinkling of nebulization water for dust control, thus allowing sweeping in the total absence of water.

High productivity: increased sweeping speed and wide cleaning path

Effective removal of various types of debris, from fine dust to heavier, bulkier materials

Capable of operating without any water, resulting in significant water savings

Capable of operating in all conditions

Low noise emissions

Filtration

D-TEX Filtering system

The quality of the micro-particle filtration process is one of the characteristic elements of Dulevo vehicles.

In the mechanical collection phase, the dust raised by the central broom of the sweeper is sucked up and held in the container thanks to the vacuum created by suction fans.

The D-TEX special fabric filtering system retains also the finest particles and comples the sweeping cycle, ensuring that only clean air is released into the environment.

In fact, all Dulevo road machines are EN15429-3 certified for PM10 and PM2.5 filtration.

The D-TEX filtration system has revolutionized every parameter linked to the concept of fine particle filtering, bringing Dulevo vehicles to extremely high levels of filtration.

Minimal filter maintenance

Total filtration of PM10 fine particles of over 99%.

Long-lasting filtration efficiency

Only clean air is released back into the environment

Total resistance to external agents

Unlimited filter life

Water saving

TOTAL ABSENCE OF WATER

Water

Thanks to the patented mechanical-suction system, a Dulevo sweeper can work in total absence of water. This is very important from both an industrial and an economic point of view.

All Dulevo machines are therefore designed to reduce water use to a minimum. The possibility to select the washing method by the operator, in fact, offers the possibility to direct the water exclusively on the side brooms or even work dry.

Noise

A COMFORTABLE WORKPLACE

Noise pollution

Dulevo is constantly working to reduce both external noise pollution and the decibel level inside the cabin, so as to create a more comfortable workplace for the operator and not disturb the quiet of the city.

The noise of a vehicle is mainly due to three reasons: the low intake flow rate, the engine and machine sound proofing.

0 1

Sweeper suction rate

In general, the main source of noise in a sweeper is the suction turbine. The greater the volume of air moved by the turbine, the louder the noise. In a Dulevo mechanical-suction filtration sweeper, the amount of air required to achieve excellent cleaning results is lower than in traditional sweeping systems. This enables the Dulevo mechanical-suction filtration system to operate at very low noise levels, complying with the latest European regulations on noise pollution.

0 2

Sweeper engine

The second cause of noise on a sweeper is the engine. The faster the engine runs, the higher the noise levels; these levels become even higher if the sweeper is fitted with a second engine. In a Dulevo mechanical-vacuum sweeper with a filter system, the collection system is highly efficient and productive even at low engine power levels, thus creating a more comfortable working environment without disturbing the peace and quiet of city centres.

0 3

Machine sound proofing

Dulevo’s mechanical vacuum sweepers with filtration systems are specifically designed to create a more comfortable working environment for the operator. The cab is constructed using specialised materials and insulation, ensuring optimal noise reduction even during prolonged periods of operation. This quiet operation is not only beneficial for public peace and quiet but also for the operators who use the road sweepers on a daily basis. The driver can therefore work in a comfortable, clean and quiet environment.

Environmental impact

TOTAL FILTRATION, ZERO EMISSION

Zero-impact vehicles

Dulevo has always been looking for the best way to reduce the environmental impact of its vehicles to a minimum. In fact, thanks to the intense research work, Dulevo is proud to officially present a range of street sweepers with total filtration and zero emissions.

When Dulevo took its first steps in the world of street and industrial cleaning 50 years ago, the main idea was to create a sweeper with innovative features and technology, offering industries and administrations a product that had incomparable qualities compared to any other type of sweeper on the market at that time: this is how the mechanical-suction-filtering system, patented by Dulevo, was created.

CNG engines and electric motors: new standards for new regulations

All the propulsion technologies used in the Dulevo machines comply with the most stringent European, American and non-European emission standards. The exhaust gas after-treatment system with which the engines are equipped uses clean air to maximize combustion efficiency and minimize the production of particulate matter.

While maintaining its sweeping capacities completely unchanged, Dulevo has developed new CNG engines and electric motors for its vehicles: these have been created in the context of a faithful respect for the environment and a careful care towards cities and citizens.

Electric

The worldwide guidelines, focused on the theme of decarbonization, have driven Dulevo to invest in and develop full electric models for city cleaning

Dulevo's current electric range, which will be further developed according to market needs, offers two fully electric models for sweeping and street cleaning services. The aim of Dulevo's full electric machines is to replace the classic machines equipped with endothermic propulsion with a zero-emission version without limiting their operation and performance.

The electric vehicles are equipped with a lithium battery and a very flexible charging connection system, which is designed for connection to roadside charging stations, industrial power plugs or external chargers for maximum charging speed.

A careful study of the energy consumption of the operating phases has made it possible to develop machines capable of performing a complete work shift without the need for energy replenishment, and to guarantee a machine and battery lifespan equivalent to traditional ones.

The electric transition for Dulevo is not only aimed at reducing CO2 and at zero harmful gases, but also at reducing noise pollution and routine maintenance.

Natural Gas

The idea of developing a sweeper with an alternative engine to diesel was born in 2006, following the encouragement of important European cities. Dulevo's choice has gone in the direction of compressed natural gas, also in view of the development of refueling infrastructures for this fuel.

CNG offered and still offers the most environment-friendly and lowest emission solution among combustion engines, without using additives and exhaust gas reduction systems.

The layout and arrangement of the cylinders are patented by Dulevo, making it unique in the compact machine segment.

In addition to the evolutions of the sweeper models, Dulevo's offer also includes the street washer version.

Comfort

SPACE, ERGONOMICS AND AIR QUALITY

Comfort

Dulevo has always been attentive to the operator’s needs and to market innovations in terms of space, ergonomics and air quality inside the cabine.

The cabins of some Dulevo street sweepers, such as the D6, comply with the EN 15695 standard, which sets out the specifications for air quality in the cabs of industrial, agricultural and earth-moving machinery.

Dulevo is committed to creating machines that are comfortable and easy to use. Thanks to the introduction of the Adaptive Sweeping Technology (A.S.T.) system, developed for the D6 and D3 models, the machines are simple and intuitive to operate. In fact, thanks to the A.S.T. system, the machine only needs to be configured once, using pre-set operating modes (Eco, Boost, Leaves).

Connectivity

SMART CITY CIRCUIT

Technological innovation

One of the cornerstones of Dulevo's philosophy is technological innovation. The constant search for technologies to simplify the sweepers work and use has led to the implementation of a connectivity system on all vehicles to monitor the operating status of the machine. This allows to offer better service and real-time information for preventive maintenance operations.

All the machines are therefore equipped with a remote monitoring system and prepared for a passive and active interface; this will allow future implementation in the Smart City circuit, as well as future implementation in the 4.0 system.

Certifications

QUALITY, INNOVATION AND RESPECT FOR THE ENVIRONMENT

Dulevo Certifications

Dulevo has always placed quality, innovation and respect for the environment at the center of its policy. It is precisely thanks to these values that it has been possible to achieve and maintain high standards over time in line with international ISO requirements.

QUALITY MANAGEMENT SYSTEM

ISO 9001:2015

Dulevo belongs to the group of companies that have been awarded ISO 9001 certification, synonymous with a constant commitment to production quality and customer satisfaction.

DOWNLOAD PDF

ENVIRONMENTAL MANAGEMENT SYSTEM

ISO 14001:2015

Thanks to its dedication to reducing its environmental impact, Dulevo was awarded ISO 14001 certification in 2015, certifying the company's continued commitment to complying with current environmental regulations.

DOWNLOAD PDF

SAFETY MANAGEMENT SYSTEM

ISO 45001:2018

In 2024, Dulevo obtained ISO45001 certification in recognition of its continuous improvement in workplace safety performance, with the goal of achieving ‘Zero Accidents’.

DOWNLOAD PDF

ECOVADIS GOLD MEDAL

79/100

In 2025, Dulevo was awarded the Ecovadis Gold Medal with a score of 79 out of 100. This achievement places the company in the top 5% of companies assessed worldwide.