Cojali standard. Our cooling systems adaptable to the main brands of truck, bus, light vehicle, passenger car, agricultural machinery and construction machinery are manufactured under the most demanding quality standards, as the ISO 16750, and they certify a long useful life, as well as the optimisation of the vehicle performance.

Furthermore, we have a specific line equipped with the necessary technology to manufacture components that meet the Euro 6 anti-pollution standard, where the cooling system presents much more demanding requirements. Together with our R+D+I team, made up of more than 100 industrial engineers, we insist on developing products that contribute to the optimal and sustainable operation of the components patenting our technology.

Know our cooling system in depth. Choose Cojali brand.

Efficiency and environmental care

The system of viscous clutches with fan is specially designed to be as energy efficient as possible in the vehicle cooling system. In Cojali we develop this system taking into account the cooling needs in any work condition, optimising the air flow generated by the fan. In this way, the fan speed is reduced in circumstances where the engine temperature is low, reducing the fuel consumption and noise level and thereby minimising the environmental impact.

High reliability and long useful life

In Cojali we guarantee high reliability and long life in all our products for cooling systems. The viscous clutches manufactured under the Cojali brand are devices that have no components in contact, therefore its wearing is reduced to the maximum. This is one of the main reasons why the viscous clutches present a huge advantage regarding other devices with the same functionality, as for example friction clutches of viscous clutches of the competence. Furthermore, our Quality Department implements a thorough control of the production process, showing special interest in ensuring that the product is finished in optimal conditions for its function.

Flexibility and product variety

We manufacture a wide range of clutches and fans for commercial vehicles, as trucks and buses, agricultural vehicles, construction machinery and light vehicles. We currently cover the 95% of the European market and are growing in the American and Asian market. Within the product range, there are clutches with different activation types and formats, and plastic fans with different characteristics. Furthermore, in Cojali we offer a lot of flexibility in the production of small amounts of product, thanks to the innovative design of our production line, that allows the manufacture of any clutch or fan reference available in the catalogue, without the need of big changes, saving in production costs.

Product customisation ability

Our Engineering Department develops each clutch and fan reference taking into account the specifications of each application. In Cojali we optimise the design to achieve a final product with the best offer in quality and price. Furthermore, we adapt to any product requirement for new application requests, offering specialised technical support if needed.

Quality control of finished product

The 100% of the components for cooling systems manufactured in Cojali undergo a thorough quality process to guarantee that the product specifications are met before its installation in the vehicle. In the case of the clutches, they undergo a specific test for each reference known as “end of line test”, that consists in simulating in a test bench the behaviour of the clutch in different operation phases. In the case of the fans, the 100% undergoes a balance test, to guarantee the stability of the fan-clutch system.

The multi-brand and multi-system diagnostics tool Jaltest Diagnostics has been designed and developed to carry out the most advanced tasks of diagnostics and vehicle maintenance, in a simple and intuitive way.

It provides coverage for commercial vehicles, trucks, buses, trailers and light vehicles, as well as for agricultural machinery, OHW machinery, material handling equipment and vessels.

More than 25,000 workshops around the world already have Jaltest Diagnostics.

Jaltest CV: Diagnostics for commercial vehicle

Jaltest CV stands as a benchmark in the commercial vehicle repair sector due to its great advantages and possibilities when it comes to carrying out diagnostics and maintenance services in an efficient way in trucks, buses, trailers, light commercial vehicles and pickup trucks.

It offers complete coverage, including new, brands, models and systems three times a year, which guarantees a constant update of its capabilities.

Jaltest AGV: Diagnostics for agricultural equipment

Jaltest AGV stands as a benchmark in the agricultural equipment repair sector due to its great advantages and possibilities when it comes to carrying out diagnostics and maintenance services in an efficient way in tractors, harvesters, forage harvesters or grape harvester, among others.

It offers complete coverage, including new, brands, models and systems three times a year, which guarantees a constant update of its capabilities.

Jaltest OHW: Diagnostics for off-highway equipment

Jaltest OHW stands as a benchmark in the repair sector of off-highway and construction machinery due to its great advantages and possibilities when it comes to carry out diagnostics and maintenance services in an efficient way in cranes, excavators, dumpers, stationary engines, cleaning machines or road maintenance equipment, among others.

It offers complete coverage, including new, brands, models and systems three times a year, which guarantees a constant update of its capabilities.

Jaltest MHE: Diagnostics for material handling equipment

Jaltest MHE (Material Handling Equipment) is a new module set as a benchmark in the repair sector of material handling equipment due to its multiple advantages and possibilities when it comes to performing diagnostics and maintenance tasks efficiently in forklifts, telescopic handlers, lift platforms and derivatives.

It offers complete coverage, including new, brands, models and systems three times a year, which guarantees a constant update of its capabilities.

Jaltest Marine: Diagnostics for vessels

The wide expertise of Jaltest Diagnostics in land vehicles has allowed us to successfully pursue the design of a complete maintenance and diagnostics tool for vessels, jet skis, outboard and inboard engines and stationary engines.

It offers complete coverage, including new, brands, models and systems three times a year, which guarantees a constant update of its capabilities.

We offer a wide catalogue of components for the transmission and power systems of the main brands of truck and bus. Our clutch servos use the most modern techniques in hydraulic or pneumatic transmission and they are designed carefully to get answers in a matter of seconds.

The transmission systems are having a fast transition to components that integrate electricity and electronics to these technologies. Thanks to the R+D+I team of Cojali and our vast experience in electronic systems, our product catalogue is in constant evolution to offer the market these new hybrid developments.

Know our clutch servo in depth. Choose Cojali brand.

Gear shift comfort

The gearbox is in charge of adjusting the transmission relation so that the vehicle optimises the power with a balance between revolutions and torque supplied.

The Cojali components have an optimal response speed so that this adjustment is performed within fractions of a second.

Furthermore, the automatic gearboxes include electronic elements in all peripheral components to achieve this speed in the gear shift.

Pushing force amplification

The clutches need a high activation force for the engagement/disengagement.

Our clutch servos allow an amplification of the applied force by the clutch pedal thanks to the help of the pneumatics system of the vehicle.

This component can be hydro-pneumatic (conventional gearbox) or electro-pneumatic (automatic gearbox).

Sensibility in clutch pedal

The manual gearboxes incorporate as main components the master cylinder and the clutch servo.

Both components are in charge of transforming the force that the driver applies on the pedal into pushing force on the clutch.

In Cojali, we achieve a good adjustment and quality for these components to ensure a correct sensibility on the clutch pedal.

Importance of the hydraulic fluid

The hydraulic fluid type can vary depending on the application and characteristics of the clutch servo. The most used ones are the brake fluid (DOT4) and the mineral oil (Pentosin). All internal parts that are part of these components are specifically chosen to work with a certain fluid type and, therefore, it is especially important to take this variable into account when performing the vehicle maintenance.

Durability and resistance

The transmission system undergoes a high number of activations and high mechanical requirements during its operation.

In Cojali, all components undergo the most demandable tests of useful life and protection against corrosion.

In Cojali we are committed to the repair and extension of the useful life of components with electronic control through our Cojali Reman range. A process that contributes to the environmental conservation and cost reduction for our customers. Our catalogue of remanufactured products includes brake callipers, valves, brake and suspension systems and ECUs, thereby covering a big part of the vehicle components subject to failure.

Know the advantages of quality remanufacture in depth. Choose Cojali Reman.

New possibilities for the workshop.

At Cojali, we provide the workshops with our repair service. We perform repairs through a complex and detailed process in which all components susceptible to wear are tested and replaced by new ones. Then, we check that the component is ready for assembly, while preserving the same specifications as the new original product.

Time reduction.

In Cojali we guarantee the delivery of the repaired part within 24-28 hours from its the arrival to our facilities and failure detection.

Exchange sale.

Cojali offers an exchange service of repaired parts. With this service, we can reduce even more the time, since it is not necessary that you send us the part to be repaired previously and within 24 hours you will receive the requested part.

Cost reduction.

The repair can be a 50% more economic than the acquisition of a new component, that is not really necessary, meeting all the original specifications of the product.

Environmental conservation.

Thanks to the remanufacture system, we can restore components at the end of their useful life so that they recover all their functionalities. Thereby contributing to the sustainability, avoiding environmental impact derived from the manufacture and implementation of a new component in the market.

In Cojali we incorporate added value to the products and services that we offer to the commercial vehicle aftermarket sector through Big Data technology. For years, we have invested in data analysis platforms to improve our products. At the same time, these platforms can help our distributors optimise their business models according to the service and product type they offer to their customers.

With a clear aim, focused on satisfying the market and customer’s needs, in Cojali we offer 360° solutions that help our distributors supply our products in an optimal way, giving a better service to its customers, workshops and, therefore, reducing the downtime of commercial vehicles. In Cojali we continue innovating to improve the efficiency of commercial vehicles and the transport industry in general.

Know more about the Big Data approach of Cojali.

Data model as strategic advantage.

In Cojali we work in the development of new products and services basing us on data, valuing the importance of all information available, both internal, accumulated after more than 25 years of experience dedicated to the commercial vehicle, and external from different sources of the sector. This added value is available for our distributors and partners in order to make their business grow and optimise their resources.

Advanced analytics are the key.

We design and implement advanced analytic solutions with artificial intelligence modules in order to make the most of all data generated as manufacturers, as well as external data derived from digital environments and all available sources of the sector (search browser, web environment, social media, etc.).

Transforming data in tangible value.

The intelligence obtained from the processing and interpretation of this huge volume of heterogeneous data is translated to mechanisms that facilitate taking strategic and tactic decisions so that our customers optimise their business models:

• Early identification of tendencies and patterns
• Analysis and prediction of demand
• Prevention of stockout
• Tools to manage the uncertainty in the supply and demand area
• Continuous improvement of the product manufacture and evolution processes
• Continuous improvement in the product reliability
• “Time-to-market" reduction for new products
• Identification of new business opportunities
• Etc.