Hendrickson Truck Suspension Systems says its new Steertek NXT is the next generation of its proven, weight-saving fabricated front steer axle. Designed for the global market, it will accommodate a variety of wheel-end and knuckle designs and features scalable architecture to meet capacities from 8000 to 23,000 lb.
The axle is said to save up to 47 lb compared to traditional I-beam axles while combining strength, manoeuvrability, and reduced maintenance. It can also be combined with Hendrickson’s monoleaf spring technology to form the Softek lightweight front suspension system, saving up to 92 lb.
The NXT employs “continuous beam architecture” which is said to minimize stress points for added durability while providing a superior strength-to-weight ratio. The rigid, box-shaped cross-section of the axle resists horizontal, vertical and twisting forces more effectively than traditional I-beams, Hendrickson claims, and is designed to manage the increased brake torque loads resulting from the 2011 stopping distance regulations changes in FMVSS No. 121. For braking efficiency, it’s compatible with both drum and disc brakes with either 5/8- or 3/4-in.” fasteners.
The patented two-piece knuckle assembly simplifies kingpin bushing serviceability and includes a new double-lip seal to further improve bushing life, says Hendrickson’s. Integrated steering-arm and tie-rod attachments are said to increase strength and further reduce weight, providing greater durability.
The new NXT will be available through most major North American truck manufacturers beginning in August, in capacities up to 14,600 lb.
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