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Service bulletin CSR 539

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 id10209444
Published by NHTSA2022-04-01
Manufacturer's numberCSR 539
Manufacturer's date2022-04-01
NHTSA componentFUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL

NHTSA's summary

Altec Industries, Inc. has received notification from an Original Equipment Manufacturer (OEM) that a condition exists relating to motor vehicle safety, compliance, or emissions in a vehicle you possess that is equipped with Altec equipment. Cummins Inc. has decided that a defect that relates to motor vehicle safety exists in certain Cummins X12 engines manufactured between April 26, 2016, and November 1, 2021, and for the installation in mixer, coach, emergency vehicle, refuse truck, recreational vehicle, and crane applications. Schedule repair with the nearest Cummins Distributor or authorized warranty dealer.

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

Fuel system

Vehicles listed
ALTEC AERIAL DEVICE2021
ALTEC DIGGER DERRICK2021

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