Maintain trailer suspensions to last
Trailer suspension maintenance varies by suspension type and manufacturer. For that reason, fleets should establish best practices and perform routine checkups as recommended by manufacturers and fleet managers. According to Jim Rushe, product line manager at Hendrickson on-highway trailer products, the manufacturer designs its suspensions to not require periodic adjustments. “For our products, the best
Spec’ing suspensions and lift axles to meeting bridge formula laws, improve durability
Enacted by Congress in 1975 to limit the weight-to-length ratio of a vehicle crossing a bridge and to provide a consistent way to determine the maximum allowable weight that any set of axles on a vehicle may carry on the Interstate highway system, the Bridge Formula has had an impact on axle and suspension design
