393.75(b) — Tire tread depth insufficient (steer)
FMCSA violation code under Vehicle Maintenance. 10,962 events recorded in roadside inspections. Severity weight: 7. Out-of-service eligible.
Violation Description
Tire on the steer axle of a CMV has less than 4/32 inch tread depth.
About This Violation Code
Code 393.75(b) falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 7 (scale 1-10, higher = more severe). This violation is Out-of-Service eligible, meaning the driver or vehicle may be placed out of service at roadside when cited.
When this violation is cited during a roadside inspection, it contributes to the carrier's Vehicle Maintenance BASIC score. Carriers with high BASIC percentiles may be prioritized for FMCSA interventions including warning letters, investigations, or compliance reviews.
Regulatory Reference
Federal Motor Carrier Safety Regulations
This violation references 49 CFR 393.75 in the Federal Motor Carrier Safety Regulations.
Top Carriers Cited
Ranked by frequency • 8,239 carriers total • Page 1 of 330
Top Carriers with 393.75(b) Violations
Showing 25 of 8,239
Recent Inspections
Latest inspections where 393.75(b) was cited • 10,962 total events • Page 1 of 439
Recent Inspections with 393.75(b)
Showing 25 of 10,962
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Oct 15, 2024 | 82908664 | MD | Level 1 | Yes |
| Oct 15, 2024 | 82913762 | CA | Level 5 | No |
| Oct 15, 2024 | 82906394 | US | Level 1 | No |
| Oct 15, 2024 | 82909046 | MD | Level 1 | No |
| Oct 14, 2024 | 82908102 | US | Level 1 | No |
| Oct 14, 2024 | 82912975 | TX | Level 1 | No |
| Oct 14, 2024 | 82913405 | CA | Level 1 | No |
| Oct 14, 2024 | 82898344 | US | Level 1 | No |
| Oct 13, 2024 | 82897647 | SD | Level 1 | No |
| Oct 13, 2024 | 82898211 | MO | Level 1 | Yes |
| Oct 11, 2024 | 82886034 | US | Level 1 | No |
| Oct 11, 2024 | 82901752 | TX | Level 2 | Yes |
| Oct 11, 2024 | 82885851 | US | Level 2 | No |
| Oct 11, 2024 | 82902253 | CA | Level 1 | No |
| Oct 11, 2024 | 82893006 | MO | Level 1 | No |
| Oct 11, 2024 | 82893796 | NV | Level 2 | No |
| Oct 11, 2024 | 82896341 | WI | Level 2 | No |
| Oct 11, 2024 | 82896344 | OH | Level 1 | No |
| Oct 11, 2024 | 82912219 | TX | Level 2 | No |
| Oct 11, 2024 | 82912505 | TX | Level 2 | Yes |
| Oct 11, 2024 | 82897676 | US | Level 2 | No |
| Oct 11, 2024 | 82907104 | US | Level 1 | No |
| Oct 11, 2024 | 82906192 | US | Level 1 | No |
| Oct 10, 2024 | 82890571 | CA | Level 2 | No |
| Oct 10, 2024 | 82887985 | IA | Level 2 | No |