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Main Title Demonstration Truck Program 5. Noise Reduction Technology and Costs for a Mack R686 Heavy-Duty Diesel Truck.
Author Bender, Erich K. ; Kane, James A. ; Remington, Paul J. ;
CORP Author Bolt Beranek and Newman, Inc., Cambridge, MA.;Environmental Protection Agency, Washington, DC. Office of Noise Abatement and Control.
Year Published 1981
Report Number BBN-4795; EPA-68-01-4998; EPA-550/9-82-331E;
Stock Number PB82-220369
Additional Subjects Trucks ; Diesel engines ; Noise reduction ; Noise pollution ; Engine noise ; Engine mufflers ; Exhaust systems ; Maintenance ; Cost analysis ; Mack vehicles ; Mack R686 vehicles ; Noise levels
Library Call Number Additional Info Location Last
NTIS  PB82-220369 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 120p
Abstract 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.
Supplementary Notes See also PB82-220351, and PB82-220377.
Availability Notes Also available in set of 8 reports PC E99, PB82-220310.
NTIS Title Notes Final rept..
PUB Date Free Form Dec 81
Category Codes 13F; 13B; 85H; 68B; 97L
NTIS Prices PC A06/MF A01
Primary Description 200/02
Document Type NT
Cataloging Source NTIS/MT
Control Number 323816420
Origin NTIS
Type CAT