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Service bulletin C1728

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 id10084467
Published by NHTSA2016-11-21
Manufacturer's numberC1728
Manufacturer's date2015-12-04
NHTSA componentENGINE

NHTSA's summary

THIS CAMPAIGN IS BEING ISSUED TO ADDRESS CERTAIN ISX11.9 CM2250/CM2350 REAR PTOS (REPTO) THAT WERE MIS-ASSEMBLED AT THE PLANT.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
CUMMINS ISX11.9

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