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Service bulletin SP299RevC

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 id10145098
Published by NHTSA2018-10-01
Manufacturer's numberSP299RevC
Manufacturer's date2018-05-01
NHTSA componentSUSPENSION; SUSPENSION:REAR

NHTSA's summary

Operation Name: Hendrickson Truck Commercial Vehical Systems Document Name: Parts List - ULTIMAAX Rear Suspension for Fire and Rescue Vehicles Summary: This document provides parts lists for Hendrickson ULTIMAAX rear suspensions equipped on applcable fire and rescue vehicles.

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

Suspension

Vehicles listed
HENDRICKSON HENDRICKSON

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