• Provides on-the-ground weight for all axles controlled by a single leveling (height control) valve. • One Trailer Scale is specified for each trailer suspension group. • Calibrations for most popular trailer suspensions are included. • Up to seven different trailer suspensions can be connected simultaneously to an Air-Weigh Truck Scale. Each provides a separate axle group weight. • All Trailer Scales automatically send their axle weight to any 5700 or 5800 Truck Scale display for inclusion in the vehicle’s GVW and Net Payload weights.