This report discusses the technology and costs required to reduce the noise of a Mack R686 heavy-duty diesel truck from 81.6 dBA to 73.2 dBA. The noise control treatments consist primarily of a partial enclosure for the engine and transmission, an exhaust silencing system, and two-stage engine mounts. These treatments increase the vehicle weight by 398 lb and estimated vehicle price by $1296.


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    Title :

    Demonstration Truck Program 5. Noise Reduction Technology and Costs for a Mack R686 Heavy-Duty Diesel Truck


    Contributors:
    E. K. Bender (author) / J. A. Kane (author) / P. J. Remington (author)

    Publication date :

    1981


    Size :

    120 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English