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5.1.13 Suspension Systems (393.207)

All components of a suspension system must be structurally sound and in safe working order, including the following:

  • Axles
  • Adjustable axles
  • Leaf springs
  • Coil springs
  • Torsion bars
  • Air suspensions
  • Air suspension exhaust controls

See 49 CFR 393.207 for full requirements regarding suspension systems.

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