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Trailer > Zero Maintenance Damping > Zero Maintenance Damping

Zero Maintenance Damping

ZMD - Zero Maintenance Damping

Shockless ZMD microsite

ZMD™ technology eliminates shock absorbers from the maintenance equation by integrating the damping function traditionally performed by the shock within the air spring itself.


  • No shock absorbers required, reducing overall suspension maintenance
  • Superior ride quality and driver comfort
  • Uniform damping levels over the life of the air spring
  • Enhanced cargo protection
  • Increased trailer component life
  • No moving parts or hydraulic fluid
  • Concessional Mass Limits (CML) compliant