TruckCodex

393.70B2 — Coupling devices defective

FMCSA violation code under Vehicle Maintenance. 57 events recorded in roadside inspections. Severity weight: 8.

Severity Weight
8
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
57
Code
393.70B2
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
8
Violation Group
—
Total Events
57
Carriers Cited
57

Violation Description

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

About This Violation Code

Code 393.70B2 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 393.70B2 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
57
OOS Events
53
OOS Rate
93.0%
Top State (180d)
Texas
11 events

Top Enforcing States

Where 393.70B2 is most commonly cited (last 180 days)

1.Texas
11
OOS 100.0%
2.New Mexico
3
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 393.70B2 citations. Red bars mark months with OOS-triggering citations.

1
Apr
1
May
5
Jun
1
Jul
1
Aug
3
Sep
5
Oct
2
Nov
1
Dec
5
Jan
2
Feb
4
Mar

Most Active Stations

Inspection stations citing 393.70B2 most often (last 180 days)

1.US281 SB FALFURRIAS SCALE
5
OOS 100.0%
2.OROGRANDE PORT OF ENTRY
3
OOS 100.0%
3.2042 US59 SB
1
OOS 100.0%
4.IH-0035 IN BEXAR CO. (133-173)
1
OOS 100.0%
5.IH30 WB MT PLEASANT SCALE
1
OOS 100.0%
6.5300 GENOA RED BLUF
1
OOS 100.0%
7.200 E SAM HOUSTON PK
1
OOS 100.0%

Often Cited Together

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

390.21(a)2 co-occurrences393.95F2 co-occurrences392.2RG2 co-occurrences390.21(g)(3)1 co-occurrences393.104F31 co-occurrences393.11TL1 co-occurrences393.45B2PC1 co-occurrences393.431 co-occurrences393.191 co-occurrences391.41APC1 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 57 carriers total • Page 1 of 3

Top Carriers with 393.70B2 Violations

Showing 25 of 57

fmcsa-violations
Top Carriers with 393.70B2 Violations
#CarrierUSDOT# Violations
#1ALL MONEY IN LLC44314571
#2INTELLECT LOGISTICS LLC30145401
#3JS FREIGHT INC34729651
#4EDWARDS EXPRESS LLC14537201
#5AL-AMIN TRANSPORTATION LLC32176521
#6XLR8 DELIVERY INC29269131
#7BISON LOGISTICS LLC24172041
#8MCLAUGHLIN FREIGHT LINES INC13054551
#9DEEQ VALLEY TRANSPORT LLC27786921
#10GREENWOOD MOTOR LINES INC633911
#11PABLO JIMENEZ18768201
#12XPO LOGISTICS FREIGHT INC2418291
#13VLAMARINE LOGISTICS INC43932971
#14A&R TRANSPORTATION LLC32138791
#15PERFECT 1 LLC27234311
#16KIRK NATIONALEASE COMPANY3302291
#17WILLIAM AUTO MOTOR INC28845841
#18O G SHAKERS LLC35554781
#19JUAN CARLOS FLORES21722941
#20PATRIOT LOGISTICS INC10802601
#21SCHETTLER TRANSPORTATION INC8868611
#22RIVERWAY LOGISTICS INC39557471
#23CONTRACT FREIGHTERS INC702891
#24SHIRKEY TRUCKING LLC34463751
#25AVALA EXPRESS LLC24275891

Recent Inspections

Latest inspections where 393.70B2 was cited • 57 total events • Page 1 of 3

Recent Inspections with 393.70B2

Showing 25 of 57

fmcsa-inspections
Recent Inspections with 393.70B2
DateReport #StateLevelOOS
Mar 26, 202687424151TXLevel 2Yes
Mar 20, 202687398219TXLevel 2Yes
Mar 9, 202687264837TXLevel 2Yes
Mar 5, 202687263197TXLevel 2Yes
Feb 4, 202686966106NMLevel 2Yes
Feb 2, 202687065857TXLevel 1Yes
Jan 23, 202686907702TXLevel 1Yes
Jan 12, 202686791603NMLevel 2Yes
Jan 12, 202686791784NMLevel 2Yes
Jan 8, 202686780442TXLevel 2Yes
Jan 6, 202686729548TXLevel 2Yes
Dec 4, 202586494373TXLevel 2Yes
Nov 28, 202586461452TXLevel 1Yes
Nov 10, 202586301404TXLevel 2Yes
Oct 16, 202586109602TXLevel 2Yes
Oct 16, 202586080011NCLevel 1No
Oct 10, 202586048920TXLevel 2Yes
Oct 4, 202585968692IALevel 2Yes
Oct 2, 202585993681TXLevel 2Yes
Sep 29, 202585969527ILLevel 1Yes
Sep 26, 202585897436NMLevel 2Yes
Sep 19, 202585855717IALevel 2Yes
Aug 1, 202585412536TXLevel 1Yes
Jul 16, 202585275864TXLevel 1Yes
Jun 19, 202587419881NMLevel 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
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