By Tom Berg
It's still an oddball spec in road tractors, but some believe the 6x2 — a single drive axle with two powered wheels among six total wheel positions — will someday become more common as truck operators look for ways to save fuel and cut tare weight.
Tags: Meritor, SmarTandem, Dana Spicer, EconoTrek, Bendix eTrac, Meritor Wabco