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Service bulletin T79003

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 id10123457
Published by NHTSA2017-11-14
Manufacturer's numberT79003
Manufacturer's date2017-10-01
NHTSA componentTRAILER HITCHES; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

Operation Name: Hendrickson Trailer Commercial Vehicle Systems Document Name: Technical Bulletin - Loading Dock Approach Procedure for Trailers Equipped with SURELOK Summary: This document provides loading dock approach procedures for trailers equipped with Hendrickson SURELOK ride height lock systems.

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, Trailer hitch

Vehicles listed
HENDRICKSON UNK

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