Hendrickson Truck Parts Catalog

Bolster Springs


Hendrickson Bolster Springs unique design and high grade rubber boost performance by withstanding heavy loads in rugged applications. In the event that replacement springs are required, Hendrickson supplies the same genuine components for service as installed on the original suspensions. These components have the same design, construction and performance, which helps ensure high end user satisfaction and peak system performance. Correct setup and regular inspections are key in maintaining optimum bolster spring and suspension operation.

HAULMAAX ® Bolster Springs ■ HAULMAAX bolster springs work in conjunction with the load springs and shim plates to provide outstanding ride quality in both loaded and unloaded conditions ■ Load spring shims can be adjusted for different empty body weights, making HAULMAAX suspensions another ideal choice for trucks being used in varying applications TIE-BAR DESIGN

■ While mandatory for 46,000 pound capacity suspensions, an optional tie-bar version is also available for 40,000 pound capacity suspensions ■ Provides greater bolster column stiffness ■ Improves suspension performance even when axles are misaligned ■ Remains consistent with the ride quality and stability of the original design

HN ® Bolster Springs ■ Proprietary rubber compounds are used to provide ideal articulation and ride quality ■ As payload increases, the bolster springs continue to compress until the load springs engage.This produces a secondary system stiffness that provides extra ride stability under loaded conditions ■ HN bolster springs absorb vertical road inputs as well as fore / aft shock to deliver superior driver comfort and handling


www.hendrickson‑intl.com | Reference Lit. No. 45745-215

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