TRUCK NOISE IV-H: POST-FLEET TEST RESULTS ON HEAVY DUTY DIESEL TRUCKS HAVING REDUCED NOISE EMISSIONS

Four quieted over-the-road tractors were designed and produced. These were evaluated in fleet service. Significant reductions in diesel truck noise were achieved with current state-of-the-art by using a systematic approach on each major noise source. The report describes the fleet test hardware that originally went into service and documents the degradation and normal abuse of the noise control equipment and the resulting changes in the noise levels after the inservice life of the linehaul trucks--approximately 3 years and 400,000 miles. A comparative analysis of fleet maintenance and operating costs for the quiet trucks and like production vehicles is also provided.

  • Supplemental Notes:
    • See also report dated December 1975, PB-248770. Portions of this document are not fully legible.
  • Corporate Authors:

    International Harvester Company

    Truck Engineering Center
    Fort Wayne, Indiana,   United States  46801

    Department of Transportation

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590
  • Authors:
    • Henry, T J
  • Publication Date: 1979-1

Media Info

  • Pagination: 104 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00198197
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: DOT-HS-803-876 Final Rpt.
  • Contract Numbers: DOT-OS-20222
  • Files: NTIS, TRIS, USDOT
  • Created Date: Sep 15 1979 12:00AM