TruckCodex

393.70D-CDTSDM — Coupling devices defective

FMCSA violation code under Vehicle Maintenance. 140 events recorded in roadside inspections. Severity weight: 8.

Severity Weight
8
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
140
Code
393.70D-CDTSDM
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
8
Violation Group
—
Total Events
140
Carriers Cited
135

Violation Description

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

About This Violation Code

Code 393.70D-CDTSDM 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 393.70D in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
140
OOS Events
136
OOS Rate
97.1%
Top State (180d)
California
9 events

Top Enforcing States

Where 393.70D-CDTSDM is most commonly cited (last 180 days)

1.California
9
OOS 77.8%
2.Florida
4
OOS 100.0%
3.Louisiana
4
OOS 100.0%
4.Kentucky
3
OOS 100.0%
5.Ohio
3
OOS 100.0%
6.Michigan
3
OOS 100.0%
7.US
3
OOS 100.0%
8.Alabama
2
OOS 100.0%
9.New York
2
OOS 100.0%
10.Tennessee
2
OOS 100.0%
11.Washington
1
OOS 100.0%
12.Georgia
1
OOS 100.0%
13.Pennsylvania
1
OOS 100.0%
14.Wisconsin
1
OOS 100.0%
15.Colorado
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 393.70D-CDTSDM citations. Red bars mark months with OOS-triggering citations.

2
Apr
8
May
6
Jun
5
Jul
8
Aug
2
Sep
5
Oct
4
Nov
10
Dec
9
Jan
4
Feb
13
Mar

Most Active Stations

Inspection stations citing 393.70D-CDTSDM most often (last 180 days)

1.PROGRESO TX
3
OOS 100.0%
2.SIDEWINDER PLATFORM SCALE
2
OOS 100.0%
3.KNOXVILLE TN
2
OOS 100.0%
4.CENTRAL DIV COMMERCIAL UNIT
1
OOS 100.0%
5.PERALTA SCALES W/B
1
OOS 100.0%
6.US-101 N/B CONEJO CVEF
1
OOS 0.0%
7.JASPER FL
1
OOS 100.0%
8.BRIGHTON CO
1
OOS 100.0%
9.LIVE OAK FL
1
OOS 100.0%
10.CORDELIA IF
1
OOS 0.0%

Often Cited Together

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

393.48A-BIHE11 co-occurrences396.17C-PI8 co-occurrences392.2-SLLSR7 co-occurrences393.95A16 co-occurrences393.9A-LIL4 co-occurrences393.11A1-LTSM4 co-occurrences395.8A1-HOSP4 co-occurrences393.75B-TFV4 co-occurrences393.43DBMA4 co-occurrences393.75A1-TEPBM4 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 135 carriers total • Page 1 of 6

Top Carriers with 393.70D-CDTSDM Violations

Showing 25 of 135

fmcsa-violations
Top Carriers with 393.70D-CDTSDM Violations
#CarrierUSDOT# Violations
#1CESAR ALEJANDRO VILLARREAL SALAZAR24823283
#2SEMILLAS Y FORRAJES EL RUBI SA DE CV7226592
#3HUGO AGUILAR ANDAVERDE30276402
#4HKE TRANSPORT INC28590682
#5SOUTHWEST GRADING AND PAVING LLC41929531
#6CARLOS C NARANJO18880301
#7TRANSPORTADORA SAN JULIAN SA DE CV8377191
#8DAVIS TRANS-LITE INC15179911
#9R HERNANDEZ LANDSCAPING CORP16121701
#10MRC TRANSPORTATION INC13967941
#11AGRO-TURF CORP21019521
#12STATEWIDE FENCE WHOLESALE INC40978111
#13DAVID J FRANK LANDSCAPE CONTRACTING INC7717211
#14DBL B TRANSPORT LLC43322261
#15ALLSTAR RECOVERY LLC18054831
#16MINICH TRUCK REPAIR LLC31193771
#17AUTO TRAUMA TRANSPORT INC32793921
#18XAVIER GREEN YARDS INC33086651
#19RONAN CONSTRUCTION INC27598261
#20POOL CARE INC17078071
#21COSTA DE VERACRUZ SA DE CV23942091
#22JORGE ALBERTO ACOSTA TREVINO23591111
#23TINA HOTSHOT COMPANY LLC41149051
#24QUALITY SYSTEMS INC13557681
#253L PRIME HAULAGE LLC41678271

Recent Inspections

Latest inspections where 393.70D-CDTSDM was cited • 140 total events • Page 1 of 6

Recent Inspections with 393.70D-CDTSDM

Showing 25 of 140

fmcsa-inspections
Recent Inspections with 393.70D-CDTSDM
DateReport #StateLevelOOS
Mar 31, 202687473787TNLevel 1Yes
Mar 25, 202687416712FLLevel 1Yes
Mar 25, 202687399564CALevel 1Yes
Mar 23, 202687384286MILevel 2Yes
Mar 21, 202687355655OHLevel 2Yes
Mar 20, 202687341641KSLevel 2Yes
Mar 19, 202687349743LALevel 2Yes
Mar 12, 202687272909USLevel 2Yes
Mar 9, 202687241151LALevel 2Yes
Mar 5, 202687233328FLLevel 1Yes
Mar 4, 202687207218CALevel 2Yes
Mar 4, 202687226588PALevel 2Yes
Feb 26, 202687147859ALLevel 2Yes
Feb 19, 202687123898WALevel 2Yes
Feb 16, 202687073979OHLevel 2Yes
Feb 9, 202687010295CALevel 1No
Jan 28, 202686919497COLevel 1Yes
Jan 28, 202686969913CALevel 1No
Jan 26, 202686894281CALevel 1Yes
Jan 15, 202686815902MALevel 2Yes
Jan 15, 202686820759CALevel 2Yes
Jan 13, 202686788031NYLevel 1Yes
Jan 9, 202686747532LALevel 2Yes
Jan 8, 202686771329CALevel 1Yes
Jan 8, 202686759389UTLevel 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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