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Allison Technical Service Bulletins

There have been 442 technical service bulletins issued for 31 Allison models. The Allison model with the most service bulletins issued is Allison Transmission with 140 service bulletins.

Technical service bulletins of Allison Models

Allison Model	Number of Bulletins
Allison Transmission	140
Allison 2000 Series Transmission	140
Allison 1000 Series Transmission	126
Allison H 50 Ep Transmission	105
Allison 3000 Series Transmission	102
Allison H 40 Ep Transmission	95
Allison 4000 Series Transmission	85
Allison Tc10 Series Transmission	30
Allison T Series	27
Allison B Series	21
Allison B400	14
Allison B300	14
Allison 2400 Series Transmission	12
Allison B400 Series Transmission	11
Allison B300 Series Transmission	11
Allison T310	8
Allison T2000 Series Transmission	6
Allison T3000 Series Transmission	6
Allison T1000 Series Transmission	5

Allison T350	5
Allison T375	5
Allison T325	5
Allison T260	5
Allison T270	5
Allison T4000 Series Transmission	5
Allison T280	5
Allison T390	4
Allison T3280	1
Allison T3325	1
Allison B3400	1
Allison T3375	1

Latest Technical Service Bulletins of Allison

Allison power train:automatic transmission:control module (tcm/pcm/tecm) service bulletin (Bulletin 24-TR-23)

Bulletin Date:	Dec. 15, 2023
Component:	Power train:automatic transmission:control module (tcm/pcm/tecm).
Bulletin Summary:	Notice regarding part compatibility for a discontinued part.
Allison models covered in this TSB:	Allison Transmission.

Allison equipment service bulletin (Bulletin SIL03-WT-23)

Bulletin Date:	Feb. 16, 2023
Component:	Equipment.
Bulletin Summary:	Service tip for using locknut in retarder air solenoid
Allison models covered in this TSB:	Allison Transmission.

Allison equipment service bulletin (Bulletin SIL 05-TR-22)

Bulletin Date:	Apr. 29, 2022
Component:	Equipment.
Bulletin Summary:	Announces release of a redesigned output shaft.
Allison models covered in this TSB:	Allison Transmission.

Allison power train service bulletin (Bulletin SIL 10-TR-99 Rev)

Bulletin Date:	Mar. 25, 2022
Component:	Power train.
Bulletin Summary:	Details transmission fluid types and service intervals
Allison models covered in this TSB:	Allison 1000 Series Transmission, Allison 2000 Series Transmission, Allison 3000 Series Transmission, Allison 4000 Series Transmission, Allison H 40 Ep Transmission, Allison H 50 Ep Transmission, Allison T2000 Series Transmission, Allison Div Allison Div, Allison Transmission, Inc B Series, Allison Transmission, Inc H 40 Ep Transmission, Allison Transmission, Inc H 50 Ep Transmission, Allison Transmission, Inc T Series, Allison Transmission, Inc T400 Series Transmission, Allison Transmission, Inc Tc10 Series Transmission.

Allison power train service bulletin (Bulletin TI8807 Rev Z)

Bulletin Date:	Mar. 25, 2022
Component:	Power train.
Bulletin Summary:	Provides service tips for transmission fluid types and service intervals
Allison models covered in this TSB:	Allison 1000 Series Transmission, Allison 2000 Series Transmission, Allison 3000 Series Transmission, Allison H 40 Ep Transmission, Allison H 50 Ep Transmission, Allison Transmission, Allison Transmission, Inc B300 Series Transmission, Allison Transmission, Inc B400 Series Transmission, Allison Transmission, Inc H 40 Ep Transmission, Allison Transmission, Inc H 50 Ep Transmission, Allison Transmission, Inc T300 Series Transmission, Allison Transmission, Inc T400 Series Transmission, Allison Transmission, Inc Tc10 Series Transmission.