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Service bulletin SIL 10-TR-99 Rev

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 id10210477
Published by NHTSA2022-04-25
Manufacturer's numberSIL 10-TR-99 Rev
Manufacturer's date2022-03-01
NHTSA componentPOWER TRAIN

NHTSA's summary

Details transmission fluid types and service intervals

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

Transmission and driveline

Vehicles listed
ALLISON 1000 SERIES TRANSMISSION
ALLISON 2000 SERIES TRANSMISSION
ALLISON 3000 SERIES TRANSMISSION
ALLISON 4000 SERIES TRANSMISSION
ALLISON B SERIES
ALLISON B300 SERIES TRANSMISSION
ALLISON B400 SERIES TRANSMISSION
ALLISON H 40 EP TRANSMISSION
ALLISON H 50 EP TRANSMISSION
ALLISON T SERIES
ALLISON TRANSMISSION, INC T400 SERIES TRANSMISSION
ALLISON TRANSMISSION, INC TC10 SERIES TRANSMISSION

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