There is a wide range of drive-axle ratios for medium-duty trucks. Considering drive-axle ratio impacts a truck’s top-end speed, load-pulling ability, and overall fuel economy, fleet managers must choose carefully.
How to Determine Tire Load Ratings
Tire load ratings must be followed when selecting a tire and wheel package. The tire must safely support a given amount of vehicle weight. If the load rating is insufficient, the tire may become overheated and can self destruct.