The Recall Desk
SevereNHTSA·25V256000·Announced 2025-04-17

Mack Recalls 2025 Anthem Trucks Due to Engine Gear Bracket Defect

Mack Trucks is recalling 2025 Anthem vehicles because improperly tightened idler gear bracket fasteners may allow the gear to detach, potentially causing an engine stall and increasing crash risk.

What this means for you

Illness, injury, or structural failure has been reported. Stop using the product immediately and contact the manufacturer for a refund or repair.

Our severity reasoning: The recall involves a structural vehicle defect (engine component detachment) that can cause a stall and increase the risk of a crash or injury, meeting the criteria for a Severe rating.

Plain-English summary

Mack Trucks, Inc. is recalling certain 2025 Mack Anthem (AN) vehicles. The recall addresses a defect where the idler gear bracket fasteners may have been improperly tightened. This issue allows the idler gear to detach from the engine.

A detached idler gear can damage the engine, resulting in a stall. This stall increases the risk of a crash or injury. The defect is classified under Engine and Engine Cooling: Engine: Diesel.

Dealers will inspect and replace the turbo compound units as necessary, free of charge. Owner notification letters are expected to be mailed on April 24, 2025. Owners may contact Mack's customer service at 1-800-866-1177 or the NHTSA Vehicle Safety Hotline at 888-327-4236. Mack's number for this recall is SC0477.

The recalled product

Product
MACK ANTHEM (AN)
Brand
MACK
Manufacturer
Mack Trucks, Inc.
Category
Vehicle — Truck
Hazard
Affected units
3

Is your product affected?

Check your packaging against the codes below. If any of them match, the product is part of this recall.

Model numbers (1)

  • ANTHEM (AN)

Distribution

Distributed nationwide across the United States.

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