09-30-2012, 06:23 AM
My first diesel was one of those with the Cat engine. That was before all the new sound deadening/heat mats that are now out there. The sound was so loud, I couldn't hear the ringing in my ears.
With those in place, sound and heat is very well contained- in the engine compartment.

Ernie Ekberg
Bluebird Wanderlodge