Recall 21V293000: 2019–2020 Mack LR
- Report received
- Apr 26, 2021
- Manufacturer
- Mack Trucks, Inc.
- Potentially affected
- 272vehicles
- Model years
- 2019–2020
Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.
What NHTSA recorded
Mack Trucks, Inc. (Mack) is recalling certain 2019-2020 LR vehicles. The steering transfer case may have an insufficient amount of oil.
Possible consequence
The internal bearings may fail without sufficient lubrication, causing steering lock-up and increasing the risk of a crash.
Remedy
Dealers will replace the transfer case, free of charge. Owner notifications letters were mailed on May 12, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0424.
Affected model years
Pages for each model year show complaints, parts, mileage and other recalls.
- 2019 Mack LR1 complaints
- 2020 Mack LR0 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.