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Service bulletin L809 Rev S

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 id10162808
Published by NHTSA2019-07-15
Manufacturer's numberL809 Rev S
Manufacturer's date2019-03-01
NHTSA componentEQUIPMENT; SERVICE BRAKES, HYDRAULIC

NHTSA's summary

Operation Name: Hendrickson Trailer Commercial Vehicle Systems Document Name: Brake Certifications; Certifications for Air Actuated Brakes Summary: This document provides Certificates of Compliance for various makes and types of brakes authorized for use on Hendrickson INTRAAX, VANTRAAX and ULTRAA-K trailer suspension and axle systems and TRLAXLE non-integrated trailer axles.

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

Brakes, Equipment and accessories

Vehicles listed
HENDRICKSON HENDRICKSON

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