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Service bulletin SN661

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 id10129227
Published by NHTSA2018-02-21
Manufacturer's numberSN661
Manufacturer's date2018-01-22
NHTSA componentEQUIPMENT

NHTSA's summary

17i Aerial equipment has control valves manufactured with potential leakage path. No affected units have been sold in the USA, this model was only shipped to dealers in China and Austrailia for installation. The leakage can cause the upper boom to extend without operator activating the control if valve o-ring seal fails.

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

Vehicles listed
TEREX AERIAL DEVICES2013 to 2017

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