This report discusses the technology and costs required to reduce the noise of an International Harvester F-4370 heavy-duty diesel truck from 81.1 to 72.2 dBA. The noise control treatment consists primarily of a dual exhaust silencing system and a partial enclosure for the engine and transmission. The noise treatment increases the vehicle weight by 332 lb and estimated vehicle price by $1302. Wind tunnel tests on the completed truck show that temperatures of engine coolant and oil remain within generally acceptable limits.


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    Title :

    Demonstration Truck Program 4. Noise Reduction Technology and Costs for an International Harvester F-4370 Heavy-Duty Diesel Truck


    Contributors:

    Publication date :

    1981


    Size :

    94 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English