The Recall Desk
HighNHTSA·22V401000·Announced 2022-06-07

2021-2022 Mack trucks recalled for defective steering gears

Mack Trucks is recalling certain 2021-2022 tractor trailers due to steering gears that may fracture, causing loss of steering control and crash risk.

What this means for you

Real risk of harm even if no illness or injury has been reported yet. Stop using the product and follow the agency's guidance.

Our severity reasoning: This is a risk-of-harm product (steering system failure leading to loss of control and potential crashes) where no injuries or fatalities have yet been reported. The hazard and consequence are real but unconfirmed in actual incidents.

Plain-English summary

Mack Trucks, Inc. is recalling certain 2021-2022 tractor trailers (Granite, Anthem, LR, Pinnacle, and Terrapro models). The steering gears in these vehicles may have been assembled incorrectly.

An incorrectly assembled steering gear can fracture. A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.

Affected vehicle owners should contact Mack customer service at 1-800-866-1177. Mack's recall number is SC0437. Dealers will replace the steering gear free of charge. Owner notification letters were mailed on July 29, 2022. Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236.

The recalled product

Product
MACK PINNACLE (PI/PN), TE, ANTHEM (AN), GRANITE (GR)
Brand
MACK
Manufacturer
Mack Trucks, Inc.
Category
Vehicle
Hazard
Affected units
5,644

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 (6)

  • PINNACLE (PI/PN)
  • TE
  • ANTHEM (AN)
  • GRANITE (GR)
  • LR
  • TERRAPRO (TE)

Distribution

Distributed nationwide across the United States.

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