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For expanded applications, Hendrickson recently launched the PRIMAAX EX system, an enhanced version of the PRIMAAX heavy-duty, vocational truck air suspension.
PRIMAAX EX improves durability and performance while delivering a substantial weight savings alternative to competitive systems. Refinements include enhanced joint integrity and durability, improved handling, increased air spring capacity, greater disc brake compatibility and improved resistance to torque rod bushing walk-out.
The system features cast austempered and shot-peened ductile iron support beams that integrate the attachment points for greater durability.
The PRIMAAX EX features a new frame hanger and torque rod confi guration for increased roll stiffness and reduced roll steer for improved handling. In addition, suspension-induced driveline vibration is significantly reduced with the unit compared to trailing-air air suspensions.
The unit will be available in 23,000 to 26,000 pounds for single- axle, 46,000 to 52,000 pounds for tandem-axle and 69,000 to 78,000 pounds for tridem-axle applications. |
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