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Service bulletin PN633

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 id10110737
Published by NHTSA2017-08-04
Manufacturer's numberPN633
Manufacturer's date2017-02-10
NHTSA componentENGINE; EQUIPMENT

NHTSA's summary

Check cylinder porting for manual let down operation

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

Engine, Equipment and accessories

Vehicles listed
TEREX TM1002014 to 2015
TEREX TM1252014 to 2015

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