Hendrickson Trailer Parts Catalog

Suspension and Axle Identification Guide

IDENTIFICATION GUIDE

PRIMARY SUSPENSIONS — VOCATIONAL APPLICATIONS (INTRAAX ® ) Hendrickson’s INTRAAX ® suspensions have an integrated axle and beam assembly. The illustrations show the distinguishing characteristics of the various models. In order to determine the suspension model, find the illustration with the same identifying characteristics.

INTRAAX Top-Mount • AAT 23K /25K /30K

5.75" long lower shock bolt

Hanger width is 7.25"

Manufactured before December 2010

LDA ™ Large-Diameter Axle (5.75")

Air Spring mounting located above the axle

With weld-on air spring pedestal

Integrated axle and beam assembly

INTRAAX Top-Mount • AANT 23K

Manufactured late August 2002 through 2008

5.75" long lower shock bolt

Hanger width 4.12"

With cast, bolt-on air spring pedestal

Air Spring mounting located above the axle

Manufactured 2001 through 2002

LDA ™ Large-Diameter Axle (5.75")

Integrated axle and beam assembly

With 2-inch, weld-on air spring pedestal

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Refer to Hendrickson Literature No. L977 - Suspension ID Guide

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