Farmers and fleet operators are prizing pre-DEF machinery over everything else, and one equipment sales expert says used rigs like this will continue to skyrocket.

Owner-operator Jonathan Seidler used his 379 Peterbilt for three years before selling the truck a year ago. Now hauling in Pennsylvania, the rig, equipped with a C12 motor and super 10-speed ...

Owner-operator Josh Van Wagoner of Auburn, Ill., says he’s given his 1998 379 Peterbilt rig four makeovers. “I get tired of it,” Van Wagoner says. “I always start thinking of stuff to redo.” The Pete ...