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Service bulletin DOC-1033798

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 id10151543
Published by NHTSA2018-12-10
Manufacturer's numberDOC-1033798
Manufacturer's date2018-08-24
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Service Solution: 1033798 TBB Horton Fan Clutch replacement Cummins 300 HP

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

Engine

Vehicles listed
THOMAS BUILT BUSES SAF-T-LINER HDX2010 to 2019

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