Hendrickson Truck Systems Group is pushing ahead with design enhancements to its PRIMAAX heavy-duty air-ride rear suspension for mid-2008.
Launched in 2003, PRIMAAX is used in a variety of vocational and construction applications including mixers, dump trucks, heavy-haul tractors, truck-mounted cranes and logging trucks. Building on the rapid expansion of the PRIMAAX product line globally, plans call for the incorporation of further advancements in rear suspension technology to the PRIMAAX suspension.
To counter the increased weight of new engine technology, a highly engineered, new main suspension beam reduces weight and improves reliability for severe vocational applications.
To address growing demand for air suspensions across vocational applications, the suspension geometry delivers improved roll stiffness and handling for applications such as rear discharge concrete mixers.
PRIMAAX reduces air pressure requirements to lift and support the rated load for improved performance in applications utilizing lift axles. The air spring fill rate is reduced benefiting applications that frequently exhaust the suspension.
In addition as future braking requirements evolve, PRIMAAX stands ready with expanded brake compatibility to include most drum and disc brake configurations.
PRIMAAX is available at most major truck manufacturers in capacities ranging from 23,000 to 26,000 lbs. for single axle, 46,000 to 52,000 lbs. for tandem axle and 69,000 to 78,000 lbs. for tridem axle applications.
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