wheelbase

[TRUCKMAKER]

Originally Posted by cabs

Bo they call that axle spacing

In the manufacturing arena, axle spacing would be the distance between the center line of the drive axles in the case of a truck and the "spread" of the axles on a multiple axle trailer. If you've heard of a trailer suspension referred to as a three nine, that just means 3 axles 9 feet apart. This used to be popular with steel haulers.

As far as what the DOT does...... well that's a whole new ball game