After some time away from the national truck show circuit, small fleet owner Bill Rethwisch is back with his fleet's latest ...

That company later changed its name to PACCAR, and is now responsible for making many of the engines that drive Peterbilt ...

[Related: Love it or hate it? Peterbilt fanatics respond to the 589 unveiling] With 70,000 miles on the truck he jumped in when it was brand-new, Smeltzer is a fan of Peterbilt's newest model.