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TomG2's avatar
TomG2
Explorer
Dec 18, 2014

Cab insulation

Can the drivers and passengers hear the clatter of engine noise while driving down the highway? I am talking about the older diesels, the ones that sound like a Briggs & Stratton engine with the muffler removed. Or do they have extra sound insulation to quiet the cabs? Obviously, the newer models do hot make nearly as much noise.