# Service bulletin 17730\-301\-Rev C

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.

- Type: Service bulletin
- NHTSA id: 10146187
- Published by NHTSA: 2018\-10\-29
- Manufacturer's number: 17730\-301\-Rev C
- Manufacturer's date: 2018\-08\-01
- NHTSA component: SUSPENSION

## NHTSA's summary

Operation Name: Hendrickson Truck Commercial Vehical Systems Document Name: Technical Procedure \- ULTIMAAX Rear Suspension for Kenworth Vehicles \- Service Instructions Summary: This document provides preventive maintenance, service, repair and rebuild instructions for Hendrickson ULTIMAAX rear suspension systems equipped on Kenworth vehicles.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10146187-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10146187-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Suspension

## Vehicles listed

- HENDRICKSON HENDRICKSON

JSON: [/v1/bulletins/10146187](/v1/bulletins/10146187)

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