Vehicles require a variety of lubricating oils and fluid to operate satisfactorily. The lubricating oils and fluids needed differ widely in their performance because of their intended use and differing system requirements. This is particularly true in automotive applications, including passenger cars, heavy-duty vehicles, agricultural equipment and construction machinery. The evolving nature of the automotive industry, increasing power density of engines, more computer-assisted functions, coupled with new and more challenging environmental regulations, has markedly-changed the lubrication requirements for engine oils, gear lubricants and other fluids over time. These changes have resulted from the need to accommodate higher engine operating temperatures and combustion pressures, extended drain intervals, improved fuel economy and engine efficiencies, reduced overall emissions and similar changes. The introduction of new engines, powertrain technologies and hydromechanical systems, for example, the continuously variable transmission, has caused an increase in the number of engine oils, gear lubricants, transmission fluids, and other special-purpose fluids and oils within the marketplace.


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    Title :

    Multipurpose vehicle oils: To have and have not


    Additional title:

    Mehrzwecköle für Fahrzeuge: was man braucht und was nicht


    Contributors:

    Published in:

    Lubrication Engineering ; 61 , 8 ; 20-28


    Publication date :

    2005


    Size :

    9 Seiten, 11 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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