A drivetrain assembly for a motor vehicle such as a tractor-trailer rig wherein the drivetrain assembly includes a transmission and a rear end differential that have gearing operable to lower the operational engine RPM's of the vehicle. The transmission of the present invention includes a gearing ratio having a stepped percentage difference intermediate each gear. The final gear ratio of the transmission ranges between 0.47 to 1 and 0.63 to 1. A rear end gear ratio is present within the range of 3.08 to 1 to 3.90 to 1. The rear end gear ratio is approximately five and a half to six and a half greater than the ratio of the final gear of the transmission. The engine RPM's of the vehicle are at a lower RPM when the transmission is in its final gear or speed resulting in less fuel injection cycles and improved fuel economy.


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    Titel :

    Vehicle drivetrain system


    Beteiligte:

    Erscheinungsdatum :

    23.06.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F16H Getriebe , GEARING



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