In its purest form, a 6x2 chassis configuration is a three-axle tractor with power going to just one of the tandem rear axles. Put another way, only two of the six wheel positions are powered. Early ...

Putting all the engine torque through the tires on a single drive axle stresses the tires and can cause rapid tire wear. Photos: Jim Park If I were a tire, the last place I’d want to be is a drive ...