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HAS Series

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Rear Air Suspension System

The HAS Series of air suspension systems gives you excellent on- and on/off-highway performance, ride quality, and cargo protection. HAS 460 is approved for use with lift axles and up to 25% off-highway operation. The HAS 400 is approved for 10% off-highway operation. The HAS Series is available with optional EDGE System to reduce driveline vibration.


Sales Literature

Parts Lists



  • Rear Suspension
  • On/Off Highway
  • Lightweight
  • Reduced driveline vibration
  • Superior ride quality
  • Main support members incorporate taper leaf technology, with increased thickness for higher ratings
  • Wide spring seats for a secure axle connection
  • Stable
  • Durable