TruckCodex

393.70(d) — Coupling devices defective

FMCSA violation code under Vehicle Maintenance. 1,101 events recorded in roadside inspections. Severity weight: 8.

Severity Weight
8
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
1,101
Code
393.70(d)
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
8
Violation Group
—
Total Events
1,101
Carriers Cited
988

Violation Description

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

About This Violation Code

Code 393.70(d) 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.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
1,101
OOS Events
904
OOS Rate
82.1%
Top State (180d)
—

Top Carriers Cited

Ranked by frequency • 988 carriers total • Page 1 of 40

Top Carriers with 393.70(d) Violations

Showing 25 of 988

fmcsa-violations
Top Carriers with 393.70(d) Violations
#CarrierUSDOT# Violations
#1TRANSPORTADORA SAN JULIAN SA DE CV83771910
#2XPO LOGISTICS FREIGHT INC2418296
#3RODRIGO ZUNIGA CISNEROS10662085
#4ROBERTSON'S TRANSPORT LTD A CALIFORNIA LP6580754
#5TRENCHLESS CONSTRUCTION SERVICES LLC18784363
#6LAWN BROTHERS INC35793623
#7HCARGA SUPER EXPRESS SA DE CV30469983
#8RECYCLE WASTE SERVICES INC18674263
#9HUGO AGUILAR ANDAVERDE30276403
#10UNITED PARCEL SERVICE INC218003
#11COVENANT TRANSPORT LLC2738183
#12SOUND DRILLING LLC33213773
#13JELLUM ENTERPRISES24301763
#14JTI COMMERCIAL SERVICES19409732
#15AADAMS TREE SERVICE INC13086602
#16PERQUIN LANDSCAPING & MASONRY INC33081972
#17I&A AUTOMOTIVE SERVICE CENTER LLC34697382
#18PLANTSCAPES INC23200582
#19G O A T JOURNEY LLC39508772
#20DRILL TECH DRILLING & SHORING INC9258622
#21FRANK C ALEGRE TRUCKING INC2962312
#22PROSCAPES INC19934742
#23MATT GRADY LLC42079642
#24MODULAR BUILDERS INC14466852
#25FREDDY RIOS23724302

Recent Inspections

Latest inspections where 393.70(d) was cited • 1,101 total events • Page 1 of 45

Recent Inspections with 393.70(d)

Showing 25 of 1,101

fmcsa-inspections
Recent Inspections with 393.70(d)
DateReport #StateLevelOOS
Oct 10, 202482889357TXLevel 2Yes
Oct 10, 202482914023CALevel 1Yes
Oct 10, 202482892324TNLevel 1Yes
Oct 10, 202482886228NYLevel 1Yes
Oct 9, 202482882540CALevel 1Yes
Oct 9, 202482879820ILLevel 1No
Oct 8, 202482905707NYLevel 1Yes
Oct 8, 202482870447TXLevel 2Yes
Oct 8, 202482866206MALevel 2Yes
Oct 8, 202482884312WILevel 1Yes
Oct 7, 202482861565CALevel 1Yes
Oct 7, 202482852292CALevel 1Yes
Oct 7, 202482855468INLevel 1Yes
Oct 7, 202482856870KYLevel 2Yes
Oct 3, 202482823323USLevel 2Yes
Oct 3, 202482875025NYLevel 1Yes
Oct 3, 202482839778WALevel 2Yes
Oct 3, 202482823530USLevel 2Yes
Oct 3, 202482864442NYLevel 1Yes
Oct 2, 202482832009TNLevel 1Yes
Oct 2, 202482863567AZLevel 2Yes
Oct 2, 202482854762NDLevel 1Yes
Oct 2, 202482837708CALevel 1Yes
Oct 1, 202482813512NYLevel 1Yes
Oct 1, 202482813337WALevel 2Yes

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
Inspection levels and procedures
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