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Service bulletin IK-1201124

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 id10059223
Published by NHTSA2016-02-19
Manufacturer's numberIK-1201124
Manufacturer's date2015-08-12
NHTSA componentENGINE; EQUIPMENT

NHTSA's summary

IKNOW: SOME ENGINES WILL EXPERIENCE A COMPONENT FAILURE DUE TO COKING/BUILD UP IN CYLINDER HEAD WHICH CLOSES INTAKE VALVES AND HAVING POOR PERFORMANCES AND MISFIRES, RESULTING IN BRIDGES FALLING OFF. NO MODEL OR YEARS. *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

Engine, Equipment and accessories

Vehicles listed
INTERNATIONAL HARVESTER RF192

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