TruckCodex

393.70B1II — 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
393.70B1II
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
8
Violation Group
—
Total Events
140
Carriers Cited
127

Violation Description

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

About This Violation Code

Code 393.70B1II 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 393.70B1II in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
140
OOS Events
56
OOS Rate
40.0%
Top State (180d)
Texas
38 events

Top Enforcing States

Where 393.70B1II is most commonly cited (last 180 days)

1.Texas
38
OOS 34.2%
2.Illinois
2
OOS 100.0%
3.North Carolina
1
OOS 0.0%
4.New Mexico
1
OOS 0.0%

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

Citation Trend (12 months)

Monthly count of 393.70B1II citations. Red bars mark months with OOS-triggering citations.

12
May
4
Jun
5
Jul
6
Aug
13
Sep
12
Oct
8
Nov
4
Dec
5
Jan
12
Feb
7
Mar
1
Apr

Most Active Stations

Inspection stations citing 393.70B1II most often (last 180 days)

1.TW-0130 IN TRAVIS CO. (426-461
4
OOS 25.0%
2.PHARR POE
3
OOS 0.0%
3.SH-0071 IN TRAVIS CO. (546-590
3
OOS 0.0%
4.IH35 SB DEVINE SCALE
3
OOS 33.3%
5.US-0287 IN ELLIS CO. (484-520)
2
OOS 50.0%
6.CAMINO REAL POE
1
OOS 0.0%
7.IH10 WB SEALY SCALE
1
OOS 100.0%
8.IH37 SB THREE RIVERS SCALE
1
OOS 0.0%
9.SH-0289 IN COLLIN CO. (228-254
1
OOS 100.0%
10.US380 DECATUR SCALE
1
OOS 0.0%

Often Cited Together

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

393.47E11 co-occurrences393.98 co-occurrences393.53B7 co-occurrences396.3A15 co-occurrences392.2W5 co-occurrences393.45B2UV5 co-occurrences393.784 co-occurrences393.201A4 co-occurrences393.48A4 co-occurrences393.55E4 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 127 carriers total • Page 1 of 6

Top Carriers with 393.70B1II Violations

Showing 25 of 127

fmcsa-violations
Top Carriers with 393.70B1II Violations
#CarrierUSDOT# Violations
#1EAGLE ANGEL TRANSPORTATION LLC44409452
#2JOSE HUMBERTO MARTINEZ34949882
#3DAIRE TRUCKING LLC39976022
#4OSVALDO TRUCKING LLC20020012
#5TNI TRANSPORT LLC19641852
#6PRO XPRESS TRANSPORT LLC30504572
#7IVAN D GORDILLO21607562
#8EXPRESS TRANSPORTATION LOGISTICS LLC36485752
#9HDEZ TRUCKING LLC40678712
#10MESH INC20336892
#11CAMPANA OIL COMPANY LLC38525112
#12TRANSPORTES NARI SA DE CV31301072
#13JXC TRUCKING LLC44472882
#14F&M SA DE CV25605941
#15DX XPRESS INC21280191
#16BTS DE MEXICO SA DE CV37610791
#17MENDEZ TRANSPORT TX LLC41054531
#18SAUL RASCON24590341
#19R91 LLC43137631
#20K & A TRUCKING LLC37031961
#21MARTIN ARMANDO ZUNIGA PEREZ32391681
#22PETROLEUM TRANSPORT COMPANY INC2843831
#23TRANSPORTES Y MAQUINARIA MORO SA DE CV37826271
#24OLD WEST EXPRESS LLC39973581
#25JNS EXPRESS LLC39844371

Recent Inspections

Latest inspections where 393.70B1II was cited • 140 total events • Page 1 of 6

Recent Inspections with 393.70B1II

Showing 25 of 140

fmcsa-inspections
Recent Inspections with 393.70B1II
DateReport #StateLevelOOS
Apr 2, 202687487611TXLevel 2No
Mar 30, 202687468979TXLevel 2No
Mar 25, 202687442329TXLevel 1No
Mar 24, 202687410367TXLevel 1No
Mar 13, 202687302772TXLevel 2No
Mar 10, 202687314432TXLevel 1No
Mar 3, 202687228378TXLevel 1No
Feb 17, 202687102533TXLevel 1Yes
Feb 13, 202687068839TXLevel 2Yes
Feb 11, 202687065992TXLevel 1No
Feb 11, 202687045013TXLevel 2Yes
Feb 11, 202687152442TXLevel 2No
Feb 11, 202687066427TXLevel 1No
Feb 10, 202687033214TXLevel 2No
Feb 6, 202686985527ILLevel 1Yes
Feb 2, 202687234653ILLevel 2Yes
Feb 2, 202686995973TXLevel 1Yes
Jan 29, 202686949042TXLevel 1No
Jan 20, 202686853555NMLevel 2No
Jan 14, 202686842568TXLevel 2Yes
Jan 13, 202686806521TXLevel 1No
Jan 7, 202686752020TXLevel 2No
Dec 29, 202586709244TXLevel 2No
Dec 20, 202586632444TXLevel 2No
Dec 18, 202586633781TXLevel 1No

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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