393.83(g) — Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment

FMCSA violation code under Vehicle Maintenance. 22,015 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
22,015
Code
393.83(g)
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
N/A
Violation Group
Total Events
22,015
Carriers Cited
8,588

Violation Description

Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment

About This Violation Code

Code 393.83(g) falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS).

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 393.83 in the Federal Motor Carrier Safety Regulations.

Events (all time)
22,015
OOS Events
850
OOS Rate
3.9%
Top State (180d)

Top Carriers Cited

Ranked by frequency • 8,588 carriers total • Page 1 of 344

Recent Inspections

Latest inspections where 393.83(g) was cited • 22,015 total events • Page 1 of 881

Recent Inspections with 393.83(g)

Showing 25 of 22,015

fmcsa-inspections
Recent Inspections with 393.83(g)
DateReport #StateLevelOOS
Oct 14, 202482898432USLevel 1No
Oct 14, 202482898439USLevel 1No
Oct 14, 202482898424USLevel 1No
Oct 14, 202482912605TXLevel 1No
Oct 14, 202482912389TXLevel 2No
Oct 14, 202482911719TXLevel 2No
Oct 14, 202482912868TXLevel 1No
Oct 14, 202482904822USLevel 1No
Oct 14, 202482904618USLevel 1No
Oct 14, 202482904604USLevel 1No
Oct 14, 202482904586USLevel 2No
Oct 14, 202482912031TXLevel 2No
Oct 14, 202482913048TXLevel 1No
Oct 14, 202482911984TXLevel 2No
Oct 14, 202482904579USLevel 1No
Oct 14, 202482904932USLevel 1No
Oct 14, 202482912975TXLevel 1Yes
Oct 13, 202482898461USLevel 2No
Oct 13, 202482898463USLevel 1No
Oct 13, 202482898469USLevel 2No
Oct 13, 202482898453USLevel 2No
Oct 12, 202482898411USLevel 1No
Oct 12, 202482898376USLevel 1No
Oct 12, 202482900908TXLevel 1No
Oct 12, 202482900909TXLevel 1No

Data sources & freshness

FMCSA Vehicle Inspections and Violations
Unknown freshness
Federal Motor Carrier Safety Regulations (49 CFR)
Unknown freshness