Heavy-Duty Air Suspension
The PRIMAAX® EX heavy-duty rear air suspension provides a package of benefits tailored for bus applications. The system features a robust structural design with optimized suspension geometry for exceptional stability, handling and ride. Suspension windup and corresponding frame rise are significantly reduced with PRIMAAX EX compared to competitive trailing-arm air suspensions, for enhanced driver and passenger comfort.
| Model | PRIMAAX EX | |
|---|---|---|
| Capacity (lbs) | 23,000 | 26,000 |
| Installed Weight1 (lbs) | 542 | 651 |
| Axle Configuration | Single | Single |
| GCW Approval2 (lbs) | Contact vehicle OEM2 | Contact vehicle OEM2 |
| Axle Travel4 (in) | 8 | 8 |
| Ground Clearance (in) | 10.75 | 10.5 |
| Lift Axles | Approved | Approved |
| Ride Heights5 (in) | 8.5 to 10.5 12.5 to 15.5 |
8.5 to 10.5 12.5 to 15.5 |
| Engine Torque Restrictions | None | None |
| Axle Spacing (in) | N/A | N/A |
Hendrickson is a leading manufacturer and supplier of premium bus chassis components to global bus markets.
Our legacy embodies over 100 years as the leading innovator and manufacturer of suspension systems and components for the global transportation industry.
