Hendrickson Truck Commercial Vehicle Systems' PRIMAAX EX heavy-duty vocational rear air suspension was designed specifically for the rigorous demands of vocational, severe and heavy-haul applications.
- Features superior durability, ride, stability and suspension articulation
- Can be packaged with both drum and disc brakes
- Approved for 100% off-road usage to help conquer challenging terrains
- Incorporates highly durable structural beams that integrate the cross beam attachment points for greater reliability, resulting in a maintenance-free connection that forms a rigid torsion system for improved stability and control for both off-road and heavy-haul applications
- Includes optional arched longitudinal torque rods that provide clearance necessary for disc brakes
- Features robust frame hanger and unique torque rod configuration
- Optimized suspension geometry delivers over twice the roll stiffness of other vocational rear air suspensions and greater control during lane changes, highway ramp operation and tight or twisting road maneuvers
- Large-volume air springs smooth the ride and reduce noise, vibration and harshness to the cab, chassis and body equipment for less wear and tear on both driver and equipment
- Delivers up to 12.5 in. of diagonal articulation
- Helps improve traction and provide greater off-road mobility
- Up to 10.75 in. of ground clearance enhances maneuverability over rough terrain
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