Provana Group

Provana Group is a holding company which offers specialized consultancy within the agricultural field with high competencies related to the use of tyres.

«The science of today is the technology of tomorrow»

Edward Teller

Agricultural wheel: our consultancy

Who we are With the first post we present the website of the Provana Group. The Provana Group is a holding company which focuses on the agricultural field: the services offered span from a consultancy specialized into the correct use of the “wheel syste…

Farm tyres: the Hourly Cost of the tyre

When it is necessary to use an agricultural machinery – especially a tractor – to perform different processes during the year the choice of the correct tyre pairing with the related tyre cost is paramount. According to this last point a new way to understa…

The importance of tyres over fuel consumption: the Running Cost of the tractor

During the day-to-day management of a farm the Running Cost of a tractor is a key factor. What do we mean with Running Cost? First of all when we analyze the Running Cost the tyres used are a key factor in defining the fuel cost of an agricultural machiner…

The farm costs. The Bridgestone eBook

The Bridgestone eBook “The essential role of the tyre in cost saving” describes how the tyre is a key factor when dealing with farm costs. The book deals with key themes such as the tyre size, the transmission of power to the ground, the soil preservation,…

Mechanical Lead of a tractor: how important is it?

The Rolling Circumference and the Mechanical Lead of a tractor which follows represent two fundamental factors when choosing the right tyre. These parameters allow us to obtain a correct Running Cost of the tractor. Definition of Rolling Circumference …

Air pressure in a tractor tyre and Running Cost

Air pressure in a tractor tyre is another important factor when managing the tyre and the Running Cost of a farm. A correct inflation pressure guarantees, for instance, an high level of comfort, an homogeneous wear of the tyre tread and an adequate adheren…

Tractor Wheel Size and Rolling Resistance

Among the various factors which influence the Running Cost we must also take into account the Rolling Resistance and the tractor wheel size (tyre dimensions), which are both important in determining the fuel comsumption and cost of an agricultural machiner…

Agricultural tyre load, Convergence and Camber

We conclude the list of aspects which determine the Running Cost of an agricultural machinery – the sum of the fuel cost of the machinery and the hourly cost of the tyres – by analyzing the importance of the Loads applied (the agricultural tyre load) and t…

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