Having noise tested hundreds of mobile machines, Hushpak has proven knowledge of
acoustics and predominant noise sources. Our specifically engineered solutions are
developed using sophisticated analytics and design tools to achieve exceptional results
with less capital outlay.
For a CAT 793D haul truck, which can exceed 125 dB – the engine exhaust was the main
noise source. Hushpak replaced the muffler with a custom designed muffler, specifically
developed to treat the problem frequencies associated with the CAT 3516B HD engine.