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Service bulletin TRP-155-A

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 id10056621
Published by NHTSA2015-01-17
Manufacturer's numberTRP-155-A
Manufacturer's date2014-07-22
NHTSA componentEQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

CUMMINS: INFORMATION REPAIR PROCEDURE PROVIDED DUE TO ENGINE DAMAGE CAUSED BY MATERIAL DELAMINATION OF ROD BEARING SHELLS, UNDER CERTAIN FIELD ACTION. *PE

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

Equipment and accessories

Vehicles listed
CUMMINS ICON
CUMMINS ISX
CUMMINS SIGNATURE

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