TruckCodex

393.70C-CDTHSW — Coupling devices defective

FMCSA violation code under Vehicle Maintenance. 31 events recorded in roadside inspections. Severity weight: 8.

Severity Weight
8
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
31
Code
393.70C-CDTHSW
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
8
Violation Group
—
Total Events
31
Carriers Cited
30

Violation Description

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

About This Violation Code

Code 393.70C-CDTHSW 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 393.70C in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
31
OOS Events
30
OOS Rate
96.8%
Top State (180d)
California
9 events

Top Enforcing States

Where 393.70C-CDTHSW is most commonly cited (last 180 days)

1.California
9
OOS 100.0%
2.Oregon
1
OOS 100.0%

Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.

Citation Trend (12 months)

Monthly count of 393.70C-CDTHSW citations. Red bars mark months with OOS-triggering citations.

1
May
2
Jun
2
Jul
1
Aug
1
Sep
2
Oct
3
Nov
1
Dec
1
Jan
2
Mar
1
Apr

Most Active Stations

Inspection stations citing 393.70C-CDTHSW most often (last 180 days)

1.FRESNO AREA
2
OOS 100.0%
2.CONEJO CVEF
1
OOS 100.0%
3.HURON
1
OOS 100.0%
4.KEARNY VILLA RD W/OF RUFFIN RD
1
OOS 100.0%
5.US-101 N/B CONEJO CVEF
1
OOS 100.0%
6.LAKE CREEK OR
1
OOS 100.0%

Often Cited Together

Other violations commonly found on the same inspection (last 90 days)

392.2-SLLSR9 co-occurrences393.11A1-LRR4 co-occurrences392.2-SLLEQP3 co-occurrences393.95F3 co-occurrences393.95A13 co-occurrences393.48A-BIHE3 co-occurrences392.2-SLLSOA2 co-occurrences390.21TB2-DOT2 co-occurrences393.43D-B2 co-occurrences393.104F3-C2 co-occurrences

Citation patterns suggest related root causes (e.g., HOS violations paired with logbook errors).

Top Carriers Cited

Ranked by frequency • 30 carriers total • Page 1 of 2

Top Carriers with 393.70C-CDTHSW Violations

Showing 25 of 30

fmcsa-violations
Top Carriers with 393.70C-CDTHSW Violations
#CarrierUSDOT# Violations
#1939 TRANSPORT INC27538852
#2D A D ASPHALT INC26141881
#3A PLAZA LLC27650671
#4TM SOUSA COMPANY LLC37830711
#5DONALD MIRANDA TRUCKING INC27163721
#6JONATHON BALL37024931
#7ORCHID SEWER AND WATER CONTR CORP14353701
#8J AYALA LOGISTICS INC30239201
#9TORONTO TREE CARE INC27633961
#10ROBERTO PARAMO CARMONA38233901
#11RA LANDSCAPING INC32239901
#12PRIMESOURCE INCORPORATED18680661
#13C RIVERA TRUCKING INC29287211
#14EDDIE CORREA9069821
#15FEDERICO GONZALEZ GARZA7427191
#16ANGEL OLEA VARGAS31001271
#17STRAIGHT SHOT TRUCKING INC33745141
#18FEDERAL EXPRESS CORPORATION868761
#19A VELAZQUEZ TRUCKING LLC27032241
#20RALPH DALESSANDRO GENERAL CONTRACTING INC11515591
#21CENTRAL VALLEY FREIGHT LINE LLC29899181
#22GRADING PLUMBING SITE CONSTRUCTION INC31677661
#23KAG WEST ENERGY LLC1344061
#24PORKYS CONCRETE PUMPING LLC42358871
#25HINES & ZAFFARESE LANDSCAPING INC16310211

Recent Inspections

Latest inspections where 393.70C-CDTHSW was cited • 31 total events • Page 1 of 2

Recent Inspections with 393.70C-CDTHSW

Showing 25 of 31

fmcsa-inspections
Recent Inspections with 393.70C-CDTHSW
DateReport #StateLevelOOS
Apr 2, 202687488603CALevel 1Yes
Mar 31, 202687469587CALevel 2Yes
Mar 3, 202687207180CALevel 1Yes
Jan 22, 202686878578CALevel 2Yes
Dec 17, 202586596487CALevel 2Yes
Nov 13, 202586325765CALevel 2Yes
Nov 5, 202586247604CALevel 2Yes
Nov 3, 202586237181CALevel 1Yes
Oct 28, 202586186283CALevel 2Yes
Oct 21, 202586105965ORLevel 1Yes
Sep 18, 202585829416CALevel 2Yes
Aug 6, 202585473818CALevel 1Yes
Jul 16, 202585249646CALevel 2Yes
Jul 9, 202585181639CALevel 2Yes
Jun 24, 202585081777WALevel 1Yes
Jun 17, 202585064524CALevel 2No
May 29, 202584817648CALevel 2Yes
Mar 25, 202584254144NYLevel 1Yes
Mar 25, 202584238121MTLevel 1Yes
Mar 4, 202584023351UTLevel 2Yes
Feb 15, 202584122240CALevel 5Yes
Feb 15, 202584356058CALevel 5Yes
Feb 7, 202583832499CALevel 2Yes
Jan 30, 202583790409CALevel 5Yes
Dec 2, 202483285581USLevel 1Yes

Data sources & freshness

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

Related records

CategoryAll Vehicle Maintenance Violations
Browse all violation codes in the Vehicle Maintenance BASIC
IndexAll Violation Codes
FMCSR violation codes by BASIC category
ReferenceFMCSA Roadside Inspections
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