393.40(a) — Inadequate brakes
FMCSA violation code under Vehicle Maintenance. 404 events recorded in roadside inspections. Severity weight: 8.
Violation Description
Commercial motor vehicle equipped with brakes that are inadequate or fail to meet performance requirements.
About This Violation Code
Code 393.40(a) falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 8 (scale 1-10, higher = more severe).
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 393.40 in the Federal Motor Carrier Safety Regulations.
Top Carriers Cited
Ranked by frequency • 334 carriers total • Page 1 of 14
Top Carriers with 393.40(a) Violations
Showing 25 of 334
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | OGH INVESTMENTS LLC | 4041218 | 6 |
| #2 | KREATIVE HOTSHOTS LLC | 3615626 | 6 |
| #3 | GABELA HAULERS LLC | 3404364 | 6 |
| #4 | THE TRANSPORTER FIRM LLC | 3610741 | 5 |
| #5 | HNOS LOPEZ ESQUIVEL TRANSPORT LLC | 3783612 | 4 |
| #6 | EXPASA TRUCKING INC | 2144025 | 4 |
| #7 | SUNSCAPE LANDSCAPE NURSERY INCORPORATED | 1520067 | 4 |
| #8 | UNITED VAN LINES LLC | 77949 | 4 |
| #9 | CONTOUR LANDSCAPE CONSTRUCTION INC | 3432330 | 4 |
| #10 | ABO HOT SHOT TRUCKING LLC | 3640189 | 4 |
| #11 | GORILLA TRANSPORT INC | 3823183 | 4 |
| #12 | CIRCLE W SERVICES LLC | 4011368 | 4 |
| #13 | LBS LOGISTICS INC | 3621068 | 4 |
| #14 | ROLLING STONE AUTO TRANSPORT LLC | 4186739 | 4 |
| #15 | JACKS HAULING LLC | 3055907 | 4 |
| #16 | ASSOCIATED PETROLEUM CARRIERS INC | 104701 | 2 |
| #17 | RUBEN CARLOS TREVINO SANCHEZ | 1649689 | 2 |
| #18 | WILLIAM RILEY | 3017087 | 2 |
| #19 | LEGACY SINCE 1981 | 3744720 | 2 |
| #20 | SKYLINE PAVING AND MASONRY INC | 4271867 | 2 |
| #21 | MAIAN LLC | 3791380 | 2 |
| #22 | UNITED PARCEL SERVICE INC | 21800 | 2 |
| #23 | TRANSPORTES REFRIGERADOS GC XPRESS SA DE CV | 2563803 | 2 |
| #24 | RS TRANSFER SA DE CV | 1156825 | 2 |
| #25 | AKF TRANSPORTATION INC | 4203439 | 2 |
Recent Inspections
Latest inspections where 393.40(a) was cited • 404 total events • Page 1 of 17
Recent Inspections with 393.40(a)
Showing 25 of 404
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Oct 14, 2024 | 82908265 | MO | Level 1 | No |
| Oct 13, 2024 | 82908149 | MO | Level 1 | No |
| Oct 12, 2024 | 82897103 | PA | Level 1 | No |
| Oct 10, 2024 | 82906087 | US | Level 1 | No |
| Oct 10, 2024 | 82891093 | MO | Level 1 | No |
| Oct 10, 2024 | 82882313 | CA | Level 1 | No |
| Oct 9, 2024 | 82873500 | US | Level 1 | No |
| Oct 9, 2024 | 82864942 | MO | Level 1 | No |
| Oct 8, 2024 | 82866407 | MD | Level 1 | No |
| Oct 8, 2024 | 82861700 | CA | Level 1 | No |
| Oct 8, 2024 | 82865095 | IN | Level 2 | No |
| Oct 8, 2024 | 82869994 | WY | Level 1 | No |
| Oct 8, 2024 | 82871457 | CA | Level 1 | Yes |
| Oct 8, 2024 | 82913892 | CA | Level 5 | No |
| Oct 4, 2024 | 82844267 | WI | Level 1 | No |
| Oct 4, 2024 | 82884543 | AZ | Level 1 | No |
| Oct 3, 2024 | 82824117 | NH | Level 2 | No |
| Oct 3, 2024 | 82846090 | MA | Level 1 | No |
| Oct 3, 2024 | 82865330 | ID | Level 1 | No |
| Oct 3, 2024 | 82832229 | MO | Level 1 | No |
| Oct 3, 2024 | 82874185 | MN | Level 1 | No |
| Oct 2, 2024 | 82829207 | CA | Level 1 | No |
| Oct 2, 2024 | 82819257 | CA | Level 1 | No |
| Oct 2, 2024 | 82831513 | CO | Level 1 | No |
| Oct 2, 2024 | 82837212 | CA | Level 1 | No |