393.70(c) — Coupling devices defective

FMCSA violation code under Vehicle Maintenance. 814 events recorded in roadside inspections. Severity weight: 8.

Severity Weight
8
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
814
Code
393.70(c)
Code System
FMCSR
BASIC Category
OOS Eligible
No
Severity Weight
8
Violation Group
Total Events
814
Carriers Cited
678

Violation Description

Coupling devices and towing methods are defective, including fifth wheel, kingpin, pintle hook, and drawbar.

About This Violation Code

Code 393.70(c) 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 393.70 in the Federal Motor Carrier Safety Regulations.

Events (all time)
814
OOS Events
624
OOS Rate
76.7%
Top State (180d)

Top Carriers Cited

Ranked by frequency • 678 carriers total • Page 1 of 28

Recent Inspections

Latest inspections where 393.70(c) was cited • 814 total events • Page 1 of 33

Recent Inspections with 393.70(c)

Showing 25 of 814

fmcsa-inspections
Recent Inspections with 393.70(c)
DateReport #StateLevelOOS
Oct 11, 202482897092WILevel 1Yes
Oct 10, 202482914023CALevel 1No
Oct 10, 202482880753NVLevel 2Yes
Oct 10, 202482881761CALevel 2No
Oct 10, 202482889983CALevel 1No
Oct 9, 202482881760CALevel 2Yes
Oct 9, 202482872531CALevel 2Yes
Oct 8, 202482913426CALevel 2No
Oct 8, 202482872454CALevel 2No
Oct 7, 202482897289NYLevel 2Yes
Oct 7, 202482882438CALevel 1No
Oct 7, 202482858430MILevel 1Yes
Oct 4, 202482907576NYLevel 1Yes
Oct 4, 202482851215CALevel 1Yes
Oct 3, 202482882107CALevel 2Yes
Oct 3, 202482874268MNLevel 1Yes
Oct 3, 202482864442NYLevel 1Yes
Oct 2, 202482831741WALevel 1No
Oct 2, 202482863426OHLevel 1Yes
Oct 2, 202482854638NYLevel 1Yes
Oct 1, 202482832031WILevel 2Yes
Oct 1, 202482819010CALevel 1Yes
Oct 1, 202482813512NYLevel 1Yes
Oct 1, 202482853958AZLevel 2Yes
Oct 1, 202482861419CALevel 2No

Data sources & freshness

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