That's why highway tractors have them? Don't see any nv4500s in a Kenworth or a Peterbilt.
A perfect example of the BS hype that GM owners bought in 2001. Don't forget, the MI Abrams has an Allison too.
97 3500, 2 WD, G56, slightly bombed, 1.3 million miles. Started the second million on 8/24/13
If you are lucky enough to be in Texas, you are lucky enough.