THOMAS BUILT BUSES 2021 THOMAS BUILT BUSES SAF-T-LINER EFX Recall
Hazard assessment based on recall description.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2021 THOMAS BUILT BUSES SAF-T-LINER EFX
Brand
THOMAS BUILT BUSES
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2021
Daimler Trucks North America, LLC is recalling certain 2021 THOMAS BUILT BUSES SAF-T-LINER EFX vehicles due to structure:body:roof and pillars issues. A school bus exterior roof panel with insufficient joint strength may separate during a crash, increasing the risk of injury..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Daimler Trucks North America, LLC (DTNA) is recalling certain 2011-2023 Thomas Built EFX and HDX school buses. The exterior roof panel was manufactured with insufficient joint strength. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 221, "School Bus Body Joint Strength."
Reported concern (NHTSA)
A school bus exterior roof panel with insufficient joint strength may separate during a crash, increasing the risk of injury.
Recommended Action
Per NHTSA guidance
Dealers will add additional mechanical fasteners to secure the joints, free of charge. Owner notification letters were mailed June 2, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL957.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026