Link Mfg. has unveiled four all-makes 1500 Series height control valves that can be retrofitted to almost any truck and trailer air suspension system. The valves all come with a universal mounting kit ...

Dayton Air Control Products (DACP), manufacturer of the King of the Road line of height control products, recently announced a new line of height control and leveling valve linkage kits, called ...

Hadley debuted its patented SmartValve, an integrated electronic height-control system for suspensions this week at the Technology & Maintenance Council’s annual meeting in Nashville. According to the ...

Hadley has introduced its new and patented SmartValve height-control system, claimed to help fight high driver turnover and high fuel costs at the same time. It saves drivers time and effort, says ...

Hadley introduced its patented SmartValve at the American Trucking Associations’ Technology and Maintenance Council’s Annual Meeting in Nashville this week as a solution to help fleets attract and ...