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Service bulletin FR12944

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 id39034
Published by NHTSA1995-03-01
Manufacturer's numberFR12944
Manufacturer's date1994-12-01
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

FIELD REPAIR TO REPAIR CERTAIN ROCKWELL TRANSMISSIONS THAT WERE MANUFACTURED WITH NON-HEAT TREATED BEARINGS. *TW

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

Transmission and driveline, Manual transmission

Vehicles listed
PETERBILT PETERBILT1993

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