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DAYCO – Heavy Duty Strength

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31 Jan 2019

Category: OnRouteMag

Dayco is a truly global business with research & development facilities, manufacturing operations and distribution centres throughout the world. It specialises in power transmission products and is a leading engine products and drive systems supplier for the automotive, industrial and aftermarket industries. Dayco is also a major player in the heavy duty (HD) sector, where it supplies original equipment (OE) components, to vehicle manufacturers including Volvo, DAF, Scania, Iveco and Mercedes-Benz.

Although the company originally made its name through the design and manufacture of drive belts, it has  grown its product portfolio to include the associated components within the drive system to reflect its sector specialism. Therefore, the Dayco HD range also includes drive components – tensioners and idlers – to provide a complete system solution for the commercial vehicle aftermarket.

At the heart of the auxiliary drive system is the belt, which, depending on the application, will be of either V or Poly-V design.

To ensure the anciliary components on the system are driven in accordance with their design specification, the drive belt must be kept at the correct tension and under a controlled load. This is made possible by the use of tensioners and idlers and with the increasing power of modern engines, allied to the growing number of auxiliary components driven by the belt, these drive components are now highly developed and engineered to exacting standards.

In order for technicians to carry out the best possible job and fleet managers maximise the reliability of their vehicles, the auxiliary drive system should be considered as a single entity, instead of looking at the belt and drive components separately. Therefore, rather than changing individual items, technicians should replace the complete system, which allows them to provide a thorough repair solution.

For more information regarding the OEM quality power transmission products in the Dayco range, please email: or visit:

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