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Service bulletin H501 RevC

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10123447
Published by NHTSA2017-11-14
Manufacturer's numberH501 RevC
Manufacturer's date2017-10-01
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

Operation Name: Hendrickson Auxiliary Axle Systems Document Name: Standard Torque Specifications Summary: This document provides standard torque specifications for Hendrickson-supplied fasteners used in Hendrickson auxiliary lift axle assemblies.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Labels and manuals

Vehicles listed
HENDRICKSON UNK

Listing a model year does not mean every vehicle of it is concerned: the document says which.