Allison Transmission recalled over injury risk

Recall date

October 11, 2023

Source

National Highway Traffic Safety Administration (NHTSA)

Official notice title

Allison Transmission, Inc. recalls Allison Transmission, INC B3400, B400 Series Transmission

Recall number

23E079000

Brand / firm

Allison Transmission, INC

Sold / distributed

Potentially affected: 8,498 units

Why it was recalled

A sudden loss of drive power can increase the risk of a crash. Additionally, a disabled bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.

What was recalled

Allison Transmission, Inc. (ATI) is recalling certain models B3400xFE_R and B400R, with part numbers B3400xFE_R and B400R. The transmission yoke may separate, resulting in driveshaft separation and a sudden loss of drive power.

What to do

Dealers will inspect the output yoke bolts, and if necessary, tighten loose output yoke bolts, free of charge. Owner notification letters were mailed December 9, 2023. Owners may contact ATI customer service at 1-317-242-5000. ATI's number for this recall is 2023FA04.. Follow the official notice for full instructions.